CN101922362A - Piston four stroke engine - Google Patents
Piston four stroke engine Download PDFInfo
- Publication number
- CN101922362A CN101922362A CN2009102036948A CN200910203694A CN101922362A CN 101922362 A CN101922362 A CN 101922362A CN 2009102036948 A CN2009102036948 A CN 2009102036948A CN 200910203694 A CN200910203694 A CN 200910203694A CN 101922362 A CN101922362 A CN 101922362A
- Authority
- CN
- China
- Prior art keywords
- valve
- coil
- piston
- fuel
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a piston four stroke engine, comprising a valve actuating mechanism, an ignition device and a fueling injection device, which are arranged on cylinder head, wherein the actuating mechanism comprises a valve stem the external end of which is connected with an electromagnet component and the electromagnet component is composed of an upper electromagnet and a lower electromagnet which are in coaxial connection. The invention has the advantages that an electromagnetic magnetic circuit close is used as power to control immutable stroke of open and close of an air valve; a valve spring is not provided and motion line speed of the air valve is high; when air inflows, an intake valve can realize full open under the full stroke of descent of the piston, thereby ensuring full stroke air inflow for descent of the piston upward and sufficient air inflow; when exhausting the air, an exhaust valve can realize full open under the full stroke descent of the piston and for the piston stroking upward, thereby ensuring full stroke exhaust air for the piston stroking upward; and drift diameter of the exhaust valve is larger than that of the intake valve, the exhaust valve has small resistance and complete exhaust. When being in a state of high speed, lag behind and springback for the air valve does not occur, thereby eliminating air cross interference caused by an over-lapping angle of the air valve, implementing purification inside the engine, improving fuel availability and reducing environmental pollution.
Description
Technical field
The present invention relates to a kind of piston four stroke engine, comprise the piston four stroke engine of various fuel.
Background technique
Traditional four stroke engine valve carries out mechanical all circular motion by the parabola of cam, cam lift overcomes valve spring tension force compressing valve and opens gradually, valve is closed under the effect of spring restoring force, physics limits the parabola of cam and can not do very suddenly, therefore valve can only be controlled to and early open the valve overlap that closes late to remedy the deficiency and the exhaust of air inflow not thorough, intake valve is early opened.Shown in the arcuate zone (degree of its width means valve opening) of Fig. 1 and the arrow of one end (expression port timing sense of rotation is gradually closed the angle), the result that exhaust valve early leaves is, piston is not in exhaust stroke not at the end, intake valve is opened, cause gas to go here and there interference mutually, this moment, piston was in working stroke midway, just expand piston is promoted when descending at mixture combustion, exhaust valve is just opened, the gas tension loss is over half, partially mixed gas is imperfect combustion just discharges from exhaust valve, and fuel loss is very big, causes environmental pollution.
The motor that has adopts turbosupercharging to improve air inflow, but engine power with the wearing and tearing of camshaft gradually decay can't remedy, at first be that valve stroke reduces, air inflow is fallen sharply, and intake resistance is big, and suction tolerance is few, the imbalance of air fuel ratio makes burning not thorough.The motor that has is provided with ternary Cuiization device outward with machine and adds air injection reaction and ensure that exhaust gas discharging is up to standard, causes waste can reach 30% to fuel.Distribution device leans on the time rule of machinery can't guarantee the accurate control of port timing at all in addition, and valve opening is little, and gas flow is restricted, and is difficult to accomplish accurate control when high speed.And the time gauge mechanism complicated in mechanical structure, air horsepower loss is big, the fault point is many, amount of maintenance is big, reliability is relatively poor.
It is in-cylinder injection that the fuel supply of motor at present has only diesel engine, and petrol engine and gas engine are to adopt cylinder to supply with outward.The shortcoming one of the outer fueling of cylinder is that fuel leaks easily, jeopardizes safety, causes waste; The 2nd, fuel gasifies outside cylinder, and volume increases, and the flow that crowded valve is already limited makes air advance the cylinder amount and reduces, during fuel combustion oxidation incomplete, cause environmental pollution and waste.
The traditional electrical spark is supplied with an only sudden strain of a muscle in cylinder, and short time of contact with mixed gas, mixed gas is unignited to be discharged from outside the machine, causes environmental pollution and waste.
Summary of the invention
Purpose of the present invention just provides a kind of piston four stroke engine, closes, fuel loss low with the short engine efficiency that causes of spark ignition endurance late greatly and environmental pollution problems to solve that prior art exists because valve is early opened.
Technological scheme of the present invention is: comprise distribution device, ignition mechanism and fuel injection system, be installed on the cylinder head respectively, it is characterized in that: the fuel inlet of described fuel injection system is connected with the outlet of a constant-voltage equipment by the fuel branch joint, the inlet of this constant-voltage equipment is connected with the high pressure delivery side of pump, and the inlet of this high-pressure service pump is connected with fuel tank; This distribution device comprises valve stem, end at this valve stem is provided with the corresponding working surface of valve port that covers with engine cylinder, pass to described valve stem slipper seal the valve guide bushing that is installed in described head valve mouth, the outer end of described valve stem is connected with an electromagnet assembly, this electromagnet assembly is connected with the output terminal of a distribution Drive and Control Circuit, and the input end of this distribution Drive and Control Circuit is connected with the signal output part of crankshaft position sensor on being installed in cylinder block.
Described electromagnet assembly is made of the upper and lower electromagnet of coaxial connection, each should go up electromagnet or lower electromagnet comprises that coil, U-shaped shell, coil rack copper sheathing and T shape are moved iron core, in this U-shaped shell, the coil rack copper sheathing is housed, on this U-shaped shell and coil rack copper sheathing coil is housed, moving iron core is slidingly installed in the axle center of this coil rack copper sheathing; Described moving iron core is the T shape structure of cylindrical body and the outward flange that is located at the one end, the relative connection of opening one end of the coil U-shaped shell above described and following coil U-shaped shell, and following T shape is moved outward flange one end of iron core and valve stem is coaxial above described is connected; Permanent magnet is equipped with in the lower end surface of superincumbent coil U-shaped shell; Described each coil all is connected with a described distribution Drive and Control Circuit.
Described valve stem is a hollow structure, the aciculiform pipe is equipped with in Kong axle center therein, all leave the gap between the outside of this aciculiform pipe and lower end and valve stem inboard and the working surface inboard, the upper end in addition of this aciculiform pipe is passed the axle center hole that is located at described moving iron core and is extended to outside the described top U-shaped shell top, and be connected with an interface of an oil pipe union, between the interior outside of this machine oil pipe, aciculiform pipe, form a machine oil cooling circuit.
The working surface periphery of described valve stem is the sealing surface of air valve of sphere shape, and the inboard of the air valve seat ring corresponding with this sealing surface of air valve is the conical surface at 15～25 ° of inclination angles; Described sealing surface of air valve, valve guide bushing and air valve seat ring all adopt cemented carbide to make.
Described constant-voltage equipment is constant pressure valve or constant voltage chamber; This constant voltage chamber is made up of shell and liquid level lower limit float valve, this liquid level lower limit float valve comprises valve body, ball float, the ball float open-work, valve rod, positioning cards, oil outlet, go into oilhole and spool, valve body is connected an end of shell, be provided with into oily joint in the outer end of this valve body, fuel oil returns lets out joint and delivery connection, in this valve body, be provided with and the inner spool chamber that connects of valve body, the bottom of this spool chamber is provided with the delivery connection hole that communicates with the center hole of described delivery connection, in the spool chamber of this valve body, valve rod is housed, the bottom of valve rod connects spool, the other end of valve rod passes the center hole that is installed in the positioning cards in the spool chamber oral area slidably, and be connected with ball float, on this ball float, be provided with the ball float open-work; Also be respectively equipped with oil outlet and go into oilhole in the part that is positioned at enclosure of described valve body, this is gone into oilhole and goes into oily joint, fuel oil and return and let out joint and communicate with described, and this oil outlet communicates with the spool chamber inside of described valve body.
Described ignition mechanism comprises spark delay controller, oscillator, monofier, power amplifier module and spark coil, be input to the input end of power amplifier module after the pulse signal of oscillator amplifies through monofier, the output terminal of spark coil is connected with spark plug; The different input ends of described spark delay controller respectively with foot throttle position transducer, engine rotation speed sensor, air inlet pressure sensor, crankshaft position sensor on 20 ° of ignition advance angle contact signal ends be connected with the exhaust valve closing signal; An output terminal output spark control signal of this spark delay controller, the output time that is used for the pulse signal of power controlling amplification module, thereby realize control, extend to working stroke the firing time of spark plug and finish and finish the firing time of spark plug.
Described fuel injection system is the vortex type electrically controlled injector, comprise housing, valve rod, electromagnetic coil, iron core, U-shaped magnetic pole, valve seat and spool, top at housing is provided with cavity, be provided with axle center hole in this lower part of frame, valve seat is equipped with in lower end at this axle center hole, in the outer end of this valve seat the vortex type nozzle is housed, be provided with the actiniform spray orifice that tilts to same direction in this nozzle periphery, the inner of this nozzle is connected with the fuel inlet that is located at lower housing portion by the valve of valve seat with the spool formation; Spool is equipped with in the inner at described valve seat, and the upper end of this spool is connected with the lower end of passing the housing axle center hole hermetically and extending to the valve rod on housing top; In the axle center of described housing upper cavity by iron core, skeleton copper sheathing, electromagnetic coil and the U-shaped magnetic pole in center to the outside, the U-shaped magnetic pole is fixedlyed connected with housing, iron core and skeleton copper sheathing are slidingly matched, the upper end of described valve rod is connected with the spring seat that is positioned at U-shaped magnetic pole upper end by a non-magnetic conduction push rod, spring is housed on spring seat, has spring to regulate nut in this spring upper end and also with between the housing be threaded; Described electromagnetic coil is connected with a fuel injection control circuit.
Be provided with the drain mast interface that communicates with described valve rod in described lower housing portion.
Described fuel injection control circuit comprises injection time controller, cylinder deactivation controller switches, foot treadle throttle position switch, positive source switching circuit and power cathode switching circuit, the output terminal of injection time controller is connected with the input end of power cathode switching circuit and the input end of positive source switching circuit respectively with an input end, and the output terminal of this power cathode switching circuit and positive source switching circuit is connected with the two ends of described electromagnetic coil respectively; The different input ends of other of this injection time controller are connected with water temperature sensor signal, oxygen sensor signal, electronic spark advance angle signal and foot throttle position sensor signal and valve-closing signal respectively; The cylinder deactivation controller switches is connected the cylinder deactivation control end of the correspondence of positive source switching circuit.
Described distribution Drive and Control Circuit is a power electronic switching, and the control end of this power electronic switching is connected with the output terminal of described crankshaft position sensor, and the control output end of this power electronic switching is connected in the power loop of described electromagnet assembly; Described crankshaft position sensor is the position of 720 ° of work of induction generator bent axle respectively, and is connected with the coil of described electromagnet assembly by described power electronic switching respectively; The tutorial light that on the wire loop of described electromagnet assembly, also is connected with current inductor respectively and can indicates valve opening to close, this tutorial light by being connected on the current inductor on the wire loop inductor coil and the induction of dry reed-pipe, connect the circuit that is connected on the LED on the dry reed-pipe loop; Between corresponding to this LED of a distribution Drive and Control Circuit of the intake valve of each cylinder and exhaust valve and dry reed-pipe, draw spark time expand control signal and fuel injection control signal respectively, and be connected with the control end of described ignition mechanism and fuel injection system respectively; Also comprise a micro computer master controller, in order to described distribution device ignition mechanism and fuel injection system are carried out unified time-oriented sequential control.
Advantage of the present invention is: this motor is a power with the electromagnetic circuit closure, the immutable stroke valve of control valve open and close, valve motion linear speed height, when air inlet, intake valve can ensure the total travel air inlet of descent of piston at descent of piston total travel standard-sized sheet, and air inlet is abundant.When exhaust, exhaust valve can ensure the total travel exhaust of piston stroking upward at the total travel standard-sized sheet of piston stroking upward, and the exhaust valve latus rectum is bigger than intake valve, and resistance is little, and exhaust is thorough.Valve does not lag behind and resilience during high speed, eliminate gas that valve overlap caused and go here and there interference mutually, and the moment of valve open and close can be by microcomputerized control, form the integrated control of micro computer of motor, implement emission controls by improving combustion, improve fuel availability, reduce environmental pollution.
Description of drawings
Overlapping angle schematic representation when Fig. 1 is the valve switch of prior art;
Fig. 2 is the sequential schematic representation that valve switch of the present invention replaces;
Fig. 3 is the assembling plan view of electric air valve of the present invention;
Fig. 4 is constant voltage of the present invention chamber and connected high-pressure stop valve and the structural representation that divides the cylinder joint;
Fig. 5 is the sectional structure schematic representation of crankshaft position sensor of the present invention;
Fig. 6 is the sectional structure schematic representation of the present invention's one assembly mechanism of qi structure;
Fig. 7 is the split structural representation of an electromagnet assembly among Fig. 6;
Fig. 8 a and Fig. 8 b are the circuit diagram (a group) of distribution Drive and Control Circuit of the present invention;
Fig. 9 is the circuit diagram of ignition mechanism of the present invention;
Figure 10 is the sectional structure schematic representation of vortex type electric-controlled fuel injector of the present invention;
Figure 11 is the sectional structure schematic representation of vortex type electronic controlled gas injection device of the present invention;
Figure 12 is an embodiment's of a fuel injection control circuit of the present invention electrical schematic diagram.
Embodiment
Be that the present invention is described in detail for example below with the four cylinder engine.
Referring to Fig. 3 and Fig. 4, the present invention includes distribution device, ignition mechanism and fuel injector 2, corresponding to the position of four cylinders (dotted circle among the figure) spark coil 5 of fuel injector 2 and ignition mechanism is installed respectively on the cylinder head 16.
Outlet with a constant-voltage equipment 8 is connected the fuel inlet of described fuel injector 2 with fuel branch joint 6 by take-off line 3, between this fuel branch joint 6 and constant-voltage equipment 8 high-pressure stop valve 7 is housed.The outlet of the inlet of this constant-voltage equipment 8 and the one-way valve R that goes into oily joint 9 with return the entry end of letting out joint 19 and be connected, the outlet end of time letting out joint 19 is connected with fuel tank; One-way valve R be fuel when entering just the unidirectional conducting valve (by check spring 90, steel ball 91 and hollow screw 92, referring to Fig. 4) of conducting be connected with the outlet of high-pressure service pump 10, the inlet of this high-pressure service pump 10 is connected with fuel tank.Return and let out the one-way valve (by spring 192, steel ball 191 and hollow screw 193, referring to Fig. 4) of joint 19 constant voltages, pressure release.On the bent axle of the end face of cylinder block crankshaft position sensor 20 is housed, this crankshaft position sensor 20 is by gear transmission (or chain-driven, band transmission)) with the bent axle of motor be in transmission connection (, being gear transmission) referring to Fig. 5.Belt pulley 12 is housed on bent axle, is used for power output.
Referring to Fig. 4, described constant-voltage equipment 8 is the embodiment of constant voltage chamber, promptly; This constant voltage chamber is made up of shell 80 and liquid level lower limit float valve 18, this liquid level lower limit float valve 18 comprises valve body 181, ball float 182, ball float open-work 183, valve rod 184, positioning cards 185, oil outlet 106, go into oilhole 187 and spool 188, valve body 181 is connected an end of shell 80, be provided with into oily joint 9 in the outer end of this valve body 181, fuel oil returns lets out joint 19 and delivery connection 711, in this valve body 181, be provided with and the inner spool chamber that connects of valve body, the bottom of this spool chamber is provided with the delivery connection hole 715 that communicates with the center hole of described delivery connection 711, valve rod 184 is housed in the spool chamber of this valve body 181, the bottom of valve rod 184 connects spool 188, the other end of valve rod 184 passes the center hole that is installed in the positioning cards 185 in the spool chamber oral area slidably, and be connected with ball float 182, on this ball float 182, be provided with ball float open-work 183; Also be respectively equipped with oil outlet 106 and go into oilhole 187 in the part that is positioned at enclosure of described valve body 181, this is gone into oilhole 187 and goes into oily joint 9, fuel oil and return and let out joint 19 and communicate with described, and this oil outlet 106 communicates with the spool chamber inside of described valve body 181.Described constant-voltage equipment 8 also can only adopt the constant pressure valve (not shown) of a routine to replace constant voltage chamber among Fig. 4.
During work (referring to Fig. 3 and Fig. 4), the fuel oil in the fuel tank pumps into constant voltage chamber 8 by transfer pump 10 pressurizations through going into oily joint 9 and one-way valve R, and the one-way valve R of the inlet setting of constant voltage chamber 8 has the pressure limiting effect, and too much fuel is let out interface 19 and flowed back to fuel tank from returning.8 outlets of constant voltage chamber are provided with the electromagnetic type high pressure by control valve 7, guarantee high-pressure system safety, spray in the cylinder through electrically controlled injector 2 by fuel branch joint 6 and each cylinder fuel pipeline 3 again, constitute by the cylinder ejecting system.Motor can reduce the oil-break cylinder deactivation operation (referring to Figure 12) under dynamic balancing permission situation of some cylinder according to load.
Different fuel is adopted different constant-voltage equipment and running parameter, and diesel engine starts long delay Pulse Electric spark lighter when oil spout constantly combustion-supporting, finishes just to finish to working stroke, and after-flame in the cylinder reaches purification.Petrol engine and gas engine are at working stroke, and long delay Pulse Electric spark to working stroke finishes just to finish, and after-flame in the cylinder reaches purification.When adopting different fuel (diesel oil, gasoline and combustible gas), the structure (performance parameter) and the working procedure of electric injection system are respectively described below in the fuel tank of constant pressure type:
1, electric injection system in the described constant pressure type diesel oil cylinder is diesel oil supply system and diesel burning systems, at first diesel oil is forced into 20Mpa and sends into constant voltage chamber 8, and constant voltage chamber 8 is high-pressure cylinder structures, and it is qualified through the 60Mpa pressure test to need, and could use.The volume of constant voltage chamber 8 is 2 liters, in store inert gas, inert gas is so long as be used for laying in pressure usefulness, in limited volume, diesel oil high-pressure service pump 10 pumps into diesel oil through one-way valve R, inert gas is compressed into the high-pressure elastomeric gas of 20Mpa, gas on top, diesel oil is in the bottom, so liquid diesel has elasticity, establish a liquid level lower limit float valve 18 in the constant voltage chamber 8, when oil pump 10 broke down, constant voltage chamber 8 can not get the liquid supply, and lower limit float valve 18 is with the diesel oil port closing.Diesel oil is to enter the turnout track joint 6 identical with the cylinder number through the electromagnetic type high pressure of lower exit by control valve 7, enter the inlet of electrically controlled injector 2 again by each cylinder high-pressure oil pipe 3, the control system of sparger 2 (shown in Figure 12) is carried out the oil spout moment and injection time control to it, it is combustion-supporting to start long delay pulse spark lighter when oil spout constantly, solve diesel oil injection process gasification heat absorption, cylinder temperature is descended cause the incomplete phenomenon of diesel combustion, and the row's of causing black smoke phenomenon, igniting extends to whole working stroke and finishes and finish, and makes all diesel oil all bring into play maximum output.System need not be provided with outer waste-gas cleaning of machine and air intake pressurized mechanism.
2, electric injection system in the described constant pressure type gasoline cylinder, be gas supply system and gasoline combustion system, at first gasoline be forced into 0.5Mpa, send into constant voltage chamber 8 through one-way valve R, constant voltage chamber 8 is middle compressed steel bottle structures, needs could to use through the 2Mpa pressure test is qualified.The volume of constant voltage chamber 8 is 2 liters, the interior inert gas that stores, inert gas is so long as be used for laying in pressure usefulness, in limited volume, petrol pump 10 pumps into gasoline through one-way valve R, inert gas is compressed into 0.5Mpa elasticity gas, gas is on top, gasoline is in the bottom, therefore liquid gasoline has elasticity, establishes a liquid level lower limit float valve 18 in the constant voltage chamber 8, when petrol pump 10 breaks down, constant voltage chamber 8 can not get the liquid supply, lower limit float valve 18 cuts out fuel dispensing outlet, and gasoline is that the electromagnet cut off valve 7 through lower exit enters the turnout track joint 6 identical with the cylinder number, is entered the inlet of electrically controlled injector 2 again by each cylinder oil pipe 3, the control system of sparger 2 (shown in Figure 12) is carried out the oil spout moment and injection time control to it, and time of ignition control, high-voltage spark is to be provided by the long delay pulse igniter, a series of electrical spark extends to whole working stroke to be finished and finishes, make all after-flames of all inflammable gass, the performance maximum output.System need not be provided with ternary Cuiization device and carry out outer waste-gas cleaning of machine and air intake pressurized mechanism.
3, described constant pressure type combustible gas electric injection system, because combustible gas itself possesses flexible pressure, so need not establish one-way valve R, constant voltage chamber 8 and lower limit float valve 18, make the gas pressure constant voltage to 0.5Mpa and will establish constant pressure valve (as existing diaphragm type constant pressure valve), gas after the constant voltage enters the turnout track joint 6 identical with the cylinder number through electromagnet cut off valve 7, enter electrically controlled injector 2 by each cylinder fuel tube 3 again, because combustion gas volume ratio fuel oil volume more greatly, the nozzle of relative sparger 2 etc. stimulates the menstrual flow relatively also big, the control system of sparger 2 (shown in Figure 12) is carried out the control of time for spraying and discharge time to it, and time of ignition control, high-voltage spark is provided by the long delay pulse igniter, a succession of electrical spark extends to whole working stroke to be finished and finishes, make all after-flames of all inflammable gass, performance maximum output, system need not be provided with ternary Cuiization device and carry out outer waste-gas cleaning of machine and air intake pressurized mechanism.
Referring to Fig. 5,360 ° of gears 212 of gear 209, positioning dowel 210, bent axle, 720 ° of gears 213 of bent axle, bearing gland 214, gland set screw 215, tapered roller bearing 216 and outside framework oil seal 217 that crankshaft position sensor 20 of the present invention comprises insulation board 201, construction bolt 202, housing 203, valve control stationary contact 204, movable contact rotor 205, ignition advance angle stationary contact 206 (20 ° of advance angle signals are provided), ball bearing 207, axle 208, is connected at 1: 1 with bent axle.360 ° of gears 212 of gear 209 and bent axle are installed on the axle 208, the two ends of axle 208 respectively are installed in the end of housing by ball bearing 207, the axle of movable contact rotor 205 is installed by tapered roller bearing 216 in the housing on gear 209 next doors, at an end of this dress movable contact rotor 205 valve control stationary contact 204 is installed, this valve control stationary contact 204 is corresponding with the various contacts on movable contact rotor 205 surfaces.Between the axle of movable contact rotor 205 and housing 203, outside framework oil seal 217 is housed, with assurance mechanical part of sensor and the isolation between the electrical appliance part.Four ignition advance angle stationary contacts 206 (being the A point among Fig. 8 a, Fig. 8 b) are connected with the input end (being the input end of the triode B3 among Fig. 8 a, Fig. 8 b) of the lower coil drive circuit of four tunnel distribution Drive and Control Circuit corresponding to four cylinder bodies shown in Figure 8 respectively.
Referring to Fig. 6～Fig. 8, distribution device of the present invention comprises valve stem 415, is provided with in the lower end of this valve stem 415 and the corresponding working surface 419 of valve port on the engine cylinder cover 16.Pass to described valve stem 415 slipper seals the valve guide bushing 413 that is installed in described cylinder cap 16 valve ports, the upper end of valve stem 415 is connected with described electromagnet assembly, the outer end of described valve stem is connected with an electromagnet assembly, this electromagnet assembly is connected with the output terminal of a distribution Drive and Control Circuit, and the input end of this distribution Drive and Control Circuit is connected with the signal output part of crankshaft position sensor 20 on being installed in described cylinder block front end bent axle.
The structure of this electromagnet assembly is referring to Fig. 6 and Fig. 7, constitutes by two electromagnet are coaxial up and down, and two electromagnet are up and down and are symmetrical arranged up and down.This electromagnet assembly comprises coil 45 and lower coil 410, goes up coil U-shaped shell 44 and lower coil U-shaped shell 411, goes up coil rack copper sheathing 46 and lower coil skeleton copper sheathing 49, goes up moving iron core 47 of T shape and the moving iron core 48 of following T shape.The described moving iron core 47 of T shape of going up moves the T shape structure that iron core 48 is cylindrical body and is located at the outward flange of one end with following T shape.Described opening one end of coil U-shaped shell 44 and lower coil U-shaped shell 411 of going up is by mutual coaxial connection of the link of being made by the non-magnetic material; The moving iron core 47 of described upper and lower T shape and coaxial connection of outward flange one end of 48.
To be positioned at top electromagnet is that example illustrates its structure, the moving iron core 47 of T shape on the axle center on this in U-shaped shell 44 is slidingly installed, moving iron core 47 outer reach the standard grade ring framework copper sheathing 46 and last coils 45 of being set with of T shape on this.The moving iron core 47 of this upper and lower T shape with 48 with described 415 coaxial connections of valve stem.Permanent magnet 416 is equipped with in lower end surface at last coil U-shaped shell 44.
Described lower coil U-shaped shell 411 is fixedlyed connected with described cylinder cap 16.
Described valve stem 415 is made by the non-magnetic stainless steel material, be hollow structure, non-magnetic aciculiform pipe 42 is equipped with in Kong axle center therein, all leave the gap between the outside of this aciculiform pipe 42 and lower end and valve stem 415 inboards and working surface 419 inboards, the upper end of this aciculiform pipe 42 is passed the axle center hole that is located at described moving iron core and is extended to outside top U-shaped shell 44 tops, and be connected with an interface of an oil pipe union 43, this oil pipe union 43 is provided with another interface, is interconnected between the oil pipe union 43 of adjacent electromagnets assembly.Between the interior outside of two interfaces of this oil pipe union 43, aciculiform pipe 42, form a machine oil cooling circuit, be connected with the cooling oil circuit in the external world.
Described working surface 419 peripheries are the sealing surface of air valve 418 of sphere shape, and the inboard of the air valve seat ring 414 corresponding with this sealing surface of air valve 418 is the conical surface at 15～25 ° of inclination angles.Described sealing surface of air valve 418, valve guide bushing 413 and air valve seat ring 414 all adopt cemented carbide to make.
The upper and lower coil 45 of described distribution device and 410 working procedure are, the conducting of the electrical signal power controlling electronic switch that crankshaft position sensor 20 usefulness collect with end, when the power electronic switching conducting, above-mentioned T type slip iron core 47 and 48 is magnetized, with 44 adhesives of U-shaped shell, magnetic circuit becomes closed circuit by opening circuit, T type slip iron core drives valve opening or closes.When valve need be opened, lower coil 410 was switched on electricity, and the following T sections core 48 that has magnetized overcomes is about to the magnetic circuit closure under the suction of the φ 3mm fritter permanent magnet 416 of going up coil U-shaped shell 44 lower ends, drive valve stem 415 and move down, and sealing surface of air valve 418 is opened; When valve need be closed, last coil 45 was switched on electricity, was about to the magnetic circuit closure on the magnetized T sections core 47, drove on the valve stem 418 to move, and valve is closed.When killing engine, the valve of closed condition is held by the φ 3mm fritter permanent magnet 416 of last coil pole end piece, keeps the valve-closing state.Because valve is controlled by electromagnet, the transient process of opening and closing gradually gradually that does not have cam control, so valve open or close top dead center and the lower dead center (referring to Fig. 2) that constantly is controlled at piston, opening angle overlapping that does not need intake valve and exhaust valve, thereby thoroughly avoid the generation of collaborating, improved the utilization ratio and the effect of fuel.
The valve stem 415 of described hollow is to make with non-magnetic stainless steel, and the inside that machine oil imports valve face is cooled off with the non magnetic pin type of external diameter 1.5mm～2.0mm pipe 42, machine oil overflows from moving iron core 47 tops of last T type again and coil is cooled off lubricated simultaneously whole system.
Described valve is synthetic by stainless steel, refractory steel and cemented carbide segmentation, the sealing surface 418 of valve is a sphere, and the inner peripheral surface of air valve seat ring 414 is 20 ° of conical surfaces, sealing surface 418 is closed with air valve seat ring 414 frictions, lap in the time of can alleviating air valve drop is taken a seat or to go out a frictional force little.Valve guide bushing 413 is with the manufacturing of high temperature resistant, anti abrasive YGl5 cemented carbide, and air valve seat ring 414 and sealing surface of air valve 418 are with the manufacturing of impact-resistant YG8 cemented carbide, and be non-maintaining, guarantees that the lift of valve is constant.Guarantee to leave after the magnetic circuit closure metal gap of 1mm simultaneously, if after the magnetic circuit closure, do not reserve any metal gaps, when closure, can produce fierce metal lap, it is rotatable that the sucker (relative outward flange) of the moving iron core 47,48 of T type drives valve, break-in is even, the effective drift diameter area of exhaust valve is bigger than intake valve, reaches the air inlet abundance, and exhaust is final purpose completely.
Referring to Fig. 8 a and Fig. 8 b, described distribution Drive and Control Circuit comprises coil driver and lower coil drive circuit, every last coil 45 and lower coil 410 that described valve all is furnished with, and be connected with the lower coil drive circuit with last coil driver respectively, on being somebody's turn to do, the lower coil drive circuit comprises crankshaft position sensor 20 (being installed in the front position of bent axle) and power electronic switching, this power electronic switching is made up of the hybrid power amplifier that triode B3 (B4) and field effect transistor B1 (B2) are formed by connecting, the valve control stationary contact 204 of crankshaft position sensor 20, whenever have four this valve control stationary contacts 204 (referring to Fig. 5) corresponding to a cylinder body, respectively with Fig. 8 a and Fig. 8 b on, the input end of lower coil drive circuit (is triode B3, the input end of B4) connect, the control output end of field effect transistor B1 (B2) is connected in the power loop of coil 45 or lower coil 410.Be connected with the tutorial light LED that valve opening is closed respectively on the loop of coil 45 and lower coil 410 on described, its induction by current contact switch K encloses around 20 with φ 0.8mm～1.0mm enameled cable, make the hollow coil of internal diameter 2.5mm, the dry reed-pipe of a built-in diameter 2.5mm seals admittedly with epoxy resin.This induction by current contact switch series connection is on circuit, and when current lead-through, the electrode in the coil current induction dry reed-pipe produces magnetic force and adhesive makes tutorial light LED conducting luminous.Fixed carbon resister R0 in the circuit is used for limiting the contact operating current.The current inductor contact switch K of intake valve lower coil 410 also controls fuel-injected (referring to Figure 12) constantly, when air inlet (tutorial light LED is bright) finishes, tutorial light LED extinguishes, the control input end C of fuel Injection Control circuit shown in Figure 12 obtains the low potential electrical signal, drive the circuit anode power turn-on of fuel Injection Control circuit, for the coil 26 of automatically controlled vortex type oil sprayer provides electric current, automatically controlled vortex type oil sprayer commencement of fuel injection, the control of injection time (length), by the injection time controller PC control that automatically controlled vortex type oil sprayer negative electrode is supplied with, a plurality of input ends of injection time controller PC connect water temperature sensor signal respectively, oxygen sensor signal, the idle signal of spark advance signal and foot throttle position transducer JS, and valve-closing signal (with described control input end C) is connected.Injection time control and idle speed control are by foot throttle control (referring to Figure 12), and cylinder deactivation control.
Circuit shown in Fig. 8 b is the valve control circuit of the cylinder (circuit of leftmost corresponding first cylinder among Fig. 8 a) corresponding to motor, and four cylinders are for four groups of these identical circuit are arranged.The circuit of single-point line left-half is the control circuit of a certain cylinder compression end of a period stroke intake valve among the figure; The circuit of single-point line right half part is the control circuit of this cylinder compression end of a period stroke exhaust valve.This cylinders compression end of a period stroke intake valve contact position (providing corresponding signal) of following two annulus 201 of left-half circuit and 202 expressions by crankshaft position sensor 20, following two annulus 203 and this cylinders compression end of a period stroke exhaust valve contact position (also providing corresponding signal) of 204 expressions of right half part circuit by crankshaft position sensor 20.Four strokes when four quadrants in each annulus are represented cylinder operation respectively that is: are respectively air inlet, exhaust, acting, compression since four-quadrant (clockwise).Each annulus is 720 ° of crank angles, and the heavy line camber line in the annulus is a movable contact, expression valve conducting (signal is arranged), and the process that does not have camber line is valve open circuit (no signal).Outlet D between rightmost dry reed-pipe and the LED is a spark time expand control signal end, is connected with the spark delay controller of igniter circuit shown in Figure 9.The Far Left dry reed-pipe and the Outlet C between the LED of the moving control circuit of one assembly gas drive of each cylinder are the fuel injection control signal, by circuit drives shown in Figure 12 connection (referring to Figure 10,11) with the coil 26 of corresponding fuel injector 2.Also as the tach signal output terminal, the tach signal of its output is the foundation of electronic spark advance to the Outlet C of the left side first cylinder, is connected to the control input end C of Figure 12 among Fig. 8 a.
Referring to Fig. 9, described ignition mechanism comprises spark delay controller, oscillator, monofier, power amplifier module and spark coil, be input to the input end of power amplifier module after the pulse signal of oscillator amplifies through monofier, the output terminal of spark coil is connected with spark plug.The input end of spark delay controller respectively with foot throttle position transducer, engine rotation speed sensor, air inlet pressure sensor, crankshaft position sensor 20 on 20 ° of ignition advance angle contact signal ends (the A point among Fig. 8 b) be connected with exhaust valve closing signal (the D point among Fig. 8 b), constitute the time of ignition control circuit jointly.The output terminal of this spark delay controller is used for the output time of the pulse signal of power controlling amplification module, thereby realizes the control to the firing time of spark plug, extends to working stroke the firing time of spark plug and finishes and finish.
Referring to Figure 10, described fuel injector 2 is the vortex type electric-controlled fuel injector, comprise housing 218, spring is regulated nut 21, tension spring 22, spring seat 23, valve rod 219, non-magnetic conduction push rod 24, skeleton copper sheathing 25, electromagnetic coil 26, U-shaped magnetic pole 27, T shape iron core slide bar 28, T shape iron core sucker 29, O RunddichtringO 210, fuel inlet (joint) 211, fuel oil draining interface 212, high pressure sealing pad 213, sliding valve core 214, valve seat 215, vortex type nozzle 216 and 30 ° of whirlwind spray orifices 217, top at housing 218 is provided with cavity, bottom at this housing 218 is provided with axle center hole, in the lower end of this axle center hole valve seat 215 is housed, in the outer end of this valve seat 215 vortex type nozzle 216 is housed, be provided with to same direction about 30 ° actiniform whirlwind spray orifice 217 that tilts at these nozzle 216 peripheries, the inner of this nozzle 216 is connected with the inner in the hole of the fuel inlet 211 that is located at housing 218 bottoms with the valve that sliding valve core 214 constitutes by valve seat 215.In the inner of described valve seat 215 sliding valve core 214 is housed, the upper end of this sliding valve core 214 and the axle center hole that passes housing 218 hermetically and the lower end that extends to the valve rod 219 on housing 218 tops are connected.T shape iron core slide bar 28 is installed successively by center to the outside in axle center in described housing 218 upper cavity, skeleton copper sheathing 25, electromagnetic coil 26 and U-shaped magnetic pole 27, U-shaped (sectional shape) magnetic pole 27 is fixedlyed connected with housing 218, T shape iron core slide bar 28 is slidingly matched with skeleton copper sheathing 25, the upper end of described valve rod 219 is connected with the spring seat 23 that is positioned at U-shaped magnetic pole 27 upper ends by a non-magnetic conduction push rod 24, tension spring 22 is housed on spring seat 23, have spring to regulate nut 21 in the upper end of this tension spring 22, the outside thread that spring is regulated nut 21 is connected with the internal thread of the upper end-hole of housing 218.Be provided with the fuel oil that communicates with the outer circumferential face of described valve rod 219 returns and lets out interface 212 on the opposite of the fuel inlet 211 of housing 218 bottoms.Above between the axle center hole of housing 218 bottoms and the valve rod 219 O RunddichtringO 210 is housed, high pressure sealing pad 213 is equipped with in the below.Fuel oil returns from fuel oil and lets out the safety that interface 212 flows back to the use of fuel tank assurance fuel oil when high pressure sealing pad 213 takes place to leak.
Referring to Figure 11, described fuel injector 2 is a vortex type electronic controlled gas injection device, its structure and vortex type electric-controlled fuel injector shown in Figure 10 unique different be not have fuel oil to return to let out interface 212.Because gas volume is big, so it is bigger to stimulate the menstrual flow.
The present invention can carry out unified time-oriented sequential control (not shown) to described distribution device, ignition mechanism and fuel injection system by a micro computer master controller.
Figure 10 and fuel injector 2 shown in Figure 11 are controlled by fuel injection control circuit shown in Figure 12.
Referring to Figure 12, described fuel injection control circuit comprises injection time controller PC, cylinder deactivation controller switches TK, foot treadle throttle position switch JS, positive source switching circuit and power cathode switching circuit, the output terminal of injection time controller PC is connected with the input end of power cathode switching circuit and the input end of positive source switching circuit respectively with an input end, and the output terminal of this power cathode switching circuit and positive source switching circuit is connected with the two ends of described electromagnetic coil 26 respectively; Other different input ends of this injection time controller PC are connected with water temperature sensor signal, oxygen sensor signal, electronic spark advance angle signal and foot throttle position sensor signal and valve-closing signal respectively.The composite switch circuit that the positive source switching circuit mainly is made up of three triodes (two normal transistor T1, T2 and a field effect transistor T3), cylinder deactivation controller switches TK is connected between the base stage of the collector electrode (behind the resistance of connecting) of triode T1 and T2, with low potential the base potential of T2 is clamped down on control (cylinder deactivation when cylinder deactivation controller switches TK conducting is low potential).The power cathode switching circuit mainly is made up of with field effect transistor T5 and Resistor-Capacitor Unit triode T4.
The present invention is when work, when crankshaft position sensor 20 movable contact rotors 205 rotate (the movable contact rotor is to be formed by stacking by several rotor sheets 210,202,203... among Fig. 8).Stationary contact 204 just obtains 720 ° crank position negative signal (valve sequence-controlled contacts signal, fuel injection moment control signal; Stationary contact 206 obtains 20 ° of ignition advance angle contact signals simultaneously).The signal of stationary contact 204 is sent to distribution Drive and Control Circuit (referring to Fig. 8) by lead, through current inductor K to valve electromagnetic coil 45 or 410 (being upper and lower coil 45 and 410), current inductor K uses as the valve detection of dynamic, valve electromagnetic coil 45 or 410 when work the electric current current inductor K that flows through, the contact of the dry reed-pipe in the current inductor K is magnetized and adhesive, and the LED conducting is luminous.This signal of first cylinder also combines with counter, expands to engine rotational speed signal.And carry out time of ignition with circuit shown in Figure 9 and control the crank position that described stationary contact 204 obtains 720 °, carry out the control that opens or closes of valve with distribution Drive and Control Circuit shown in Figure 8.Described stationary contact 206 obtains 20 ° of ignition advance angle control signals (referring to Figure 12) and also is used for the moment control signal that fuel sprays.After fuel injection control circuit (referring to Figure 12) obtained the relative cylinder position IC Intake Valve Closes signal of crankshaft position sensor 20, the positive source switching circuit among Figure 12 was connected positive source, made the coil 26 of sparger (obtain positive polarity referring to Figure 10～Figure 12).And the negative pole of sparger is subjected to the oil spout moment and time (fuel injection quantity) control circuit control, time for spraying provides control signal by spark delay controller shown in Figure 9, the discharge time control module is long or short by time control circuit control discharge time, be the control of emitted dose, long or the short control of discharge time is also by the resistance of cooling-water temperature sensor, the resistance of lambda sensor and foot throttle position transducer JS is controlled, when stepping on the throttle foot treadle, change the resistance of foot throttle position transducer JS, just can change fuel injection amount.The engine idle adjustment is by regulating the size variation amount that the pedal stop screw obtains.Change the potential difference in the circuit, also can implement the cylinder deactivation operation.
Valve of the present invention adopts electromagnetic circuit to close or open, valve lift is immutable, make fuel under excess oxygen, fill a part burning during work, the performance maximum output, the control of NOxization thing is controlled by the fly valve between outlet pipe and suction tude, fly valve is by step motor drive, and stepper motor is according to the automatical control system instruction works.The moment control that valve closes or opens is by the crankshaft position sensor sampled signal, is carried out by the electronic power switch module then.Fuel is direct in-cylinder injection.Valve is that hollow is also with oil-cooled.Valve guide bushing, sealing surface of air valve, air valve seat ring are to use the Hardmetal materials manufacturing, and be non-maintaining, can be applied on petrol engine and diesel engine and other gas piston formula motors.Implement the spark ignition of total travel long delay Pulse Electric at working stroke, consecutive electrical spark longer duration makes fuel thorough at in-cylinder combustion, and diesel engine also adopts long delay Pulse Electric spark ignition combustion supporting technology, realizes purifying in the cylinder.Native system has been realized the control of micro computer to engine integration.
Described electronic immutable valve mechanism: be the traditional valve spring structure of cancellation, idle power consumption is little, adopt up and down two T type slip iron cores 47 and 48 by the thread interlocking with valve stem 415 lockings.It is simple in structure, T type slip iron core 47 and 48 start iron cores, and magnetic circuit is disconnected and close rapid, about 8～the 10mm of valve of big stroke is fit to the motor of the big torsion of low speed, reach the high rotating speed of motor, the valve design can be adopted greatly and stimulate the menstrual flow, (5～6mm), this structure is referring to Fig. 3, Fig. 7 for short stroke.And suction is bold, not bounce-back and hysteresis.
The driving power consumption of distribution device of the present invention is little, for example: the intake valve coil of the electric air valve of 1.5 liters～2.0 liters of motor mechanisms of two air gate type discharge capacities, the power of last coil 5 and lower coil 10 all is 15W～20W, and opening or closing of intake valve only needs one of them coil working.The exhaust valve coil, the power of last coil 5 and lower coil 10 all is 15W～20W, opening or closing of exhaust valve only needs one of them coil working, the electric air valve of promptly 1.5 liters～2.0 liters of motors, every cylinder only need drive with the electric power of 30W～40W, about 25～the 30Kg of the suction-combining force that every valve produced can satisfy the valve need of work.
Referring to Fig. 2, motor of the present invention is a power with the electromagnetic circuit closure, the immutable stroke valve of control valve open and close, valve motion linear speed height.When air inlet, intake valve can ensure the total travel air inlet (shown in the camber line arrow of Fig. 2 right-hand part) of descent of piston at descent of piston total travel standard-sized sheet, and air inlet is abundant.When exhaust, exhaust valve can ensure the total travel exhaust of piston stroking upward at the total travel standard-sized sheet (shown in the camber line arrow of Fig. 2 left side) of piston stroking upward, and the exhaust valve latus rectum is bigger than intake valve, and resistance is little, and exhaust is thorough.Valve does not lag behind and resilience during high speed, eliminate gas that valve overlap caused and go here and there interference mutually, and the moment of valve open and close can be by microcomputerized control, form the integrated control of micro computer of motor, implement emission controls by improving combustion, can reach effect, show important especially in today of energy scarcity than the best five-star motor fuel saving 30% of tradition.When improving fuel availability, also reduced environmental pollution.
Fig. 5 of the present invention, 8,9,12 electric principle are applicable to the transformation to existing automobile.
Claims (10)
1. piston four stroke engine, comprise distribution device, ignition mechanism and fuel injection system, be installed on the cylinder head respectively, it is characterized in that: the fuel inlet of described fuel injection system is connected with the outlet of a constant-voltage equipment by the fuel branch joint, the inlet of this constant-voltage equipment is connected with the high pressure delivery side of pump, and the inlet of this high-pressure service pump is connected with fuel tank; This distribution device comprises valve stem, end at this valve stem is provided with the corresponding working surface of valve port that covers with engine cylinder, pass to described valve stem slipper seal the valve guide bushing that is installed in described head valve mouth, the outer end of described valve stem is connected with an electromagnet assembly, this electromagnet assembly is connected with the output terminal of a distribution Drive and Control Circuit, and the input end of this distribution Drive and Control Circuit is connected with the signal output part of crankshaft position sensor on being installed in cylinder block.
2. piston four stroke engine according to claim 1, it is characterized in that: described electromagnet assembly is made of the upper and lower electromagnet of coaxial connection, each should go up electromagnet or lower electromagnet comprises that coil, U-shaped shell, coil rack copper sheathing and T shape are moved iron core, in this U-shaped shell, the coil rack copper sheathing is housed, on this U-shaped shell and coil rack copper sheathing coil is housed, moving iron core is slidingly installed in the axle center of this coil rack copper sheathing; Described moving iron core is the T shape structure of cylindrical body and the outward flange that is located at the one end, the relative connection of opening one end of the coil U-shaped shell above described and following coil U-shaped shell, and following T shape is moved outward flange one end of iron core and valve stem is coaxial above described is connected; Permanent magnet is equipped with in the lower end surface of superincumbent coil U-shaped shell; Described each coil all is connected with a described distribution Drive and Control Circuit.
3. piston four stroke engine according to claim 1, it is characterized in that: described valve stem is a hollow structure, the aciculiform pipe is equipped with in Kong axle center therein, all leave the gap between the outside of this aciculiform pipe and lower end and valve stem inboard and the working surface inboard, the upper end in addition of this aciculiform pipe is passed the axle center hole that is located at described moving iron core and is extended to outside the described top U-shaped shell top, and be connected with an interface of an oil pipe union, between the interior outside of this machine oil pipe, aciculiform pipe, form a machine oil cooling circuit.
4. piston four stroke engine according to claim 1 is characterized in that: the working surface periphery of described valve stem is the sealing surface of air valve of sphere shape, and the inboard of the air valve seat ring corresponding with this sealing surface of air valve is the conical surface at 15～25 ° of inclination angles; Described sealing surface of air valve, valve guide bushing and air valve seat ring all adopt cemented carbide to make.
5. piston four stroke engine according to claim 1 is characterized in that: described constant-voltage equipment is constant pressure valve or constant voltage chamber; This constant voltage chamber is made up of shell and liquid level lower limit float valve, this liquid level lower limit float valve comprises valve body, ball float, the ball float open-work, valve rod, positioning cards, oil outlet, go into oilhole and spool, valve body is connected an end of shell, be provided with into oily joint in the outer end of this valve body, fuel oil returns lets out joint and delivery connection, in this valve body, be provided with and the inner spool chamber that connects of valve body, the bottom of this spool chamber is provided with the delivery connection hole that communicates with the center hole of described delivery connection, in the spool chamber of this valve body, valve rod is housed, the bottom of valve rod connects spool, the other end of valve rod passes the center hole that is installed in the positioning cards in the spool chamber oral area slidably, and be connected with ball float, on this ball float, be provided with the ball float open-work; Also be respectively equipped with oil outlet and go into oilhole in the part that is positioned at enclosure of described valve body, this is gone into oilhole and goes into oily joint, fuel oil and return and let out joint and communicate with described, and this oil outlet communicates with the spool chamber inside of described valve body.
6. piston four stroke engine according to claim 1, it is characterized in that: described ignition mechanism comprises spark delay controller, oscillator, monofier, power amplifier module and spark coil, be input to the input end of power amplifier module after the pulse signal of oscillator amplifies through monofier, the output terminal of spark coil is connected with spark plug; The different input ends of described spark delay controller respectively with foot throttle position transducer, engine rotation speed sensor, air inlet pressure sensor, crankshaft position sensor on 20 ° of ignition advance angle contact signal ends be connected with the exhaust valve closing signal; An output terminal output spark control signal of this spark delay controller, the output time that is used for the pulse signal of power controlling amplification module, thereby realize control, extend to working stroke the firing time of spark plug and finish and finish the firing time of spark plug.
7. piston four stroke engine according to claim 1, it is characterized in that: described fuel injection system is the vortex type electrically controlled injector, comprise housing, valve rod, electromagnetic coil, iron core, U-shaped magnetic pole, valve seat and spool, top at housing is provided with cavity, be provided with axle center hole in this lower part of frame, valve seat is equipped with in lower end at this axle center hole, is equipped with in the outer end of this valve seat
The vortex type nozzle is provided with the actiniform spray orifice that tilts to same direction in this nozzle periphery, and the inner of this nozzle is connected with the fuel inlet that is located at lower housing portion by the valve of valve seat with the spool formation; Spool is equipped with in the inner at described valve seat, and the upper end of this spool is connected with the lower end of passing the housing axle center hole hermetically and extending to the valve rod on housing top; In the axle center of described housing upper cavity by iron core, skeleton copper sheathing, electromagnetic coil and the U-shaped magnetic pole in center to the outside, the U-shaped magnetic pole is fixedlyed connected with housing, iron core and skeleton copper sheathing are slidingly matched, the upper end of described valve rod is connected with the spring seat that is positioned at U-shaped magnetic pole upper end by a non-magnetic conduction push rod, spring is housed on spring seat, has spring to regulate nut in this spring upper end and also with between the housing be threaded; Described electromagnetic coil is connected with a fuel injection control circuit.
8. piston four stroke engine according to claim 7 is characterized in that: be provided with the drain mast interface that communicates with described valve rod in described lower housing portion.
9. piston four stroke engine according to claim 7, it is characterized in that: described fuel injection control circuit comprises injection time controller, cylinder deactivation controller switches, foot treadle throttle position switch, positive source switching circuit and power cathode switching circuit, the output terminal of injection time controller is connected with the input end of power cathode switching circuit and the input end of positive source switching circuit respectively with an input end, and the output terminal of this power cathode switching circuit and positive source switching circuit is connected with the two ends of described electromagnetic coil respectively; The different input ends of other of this injection time controller are connected with water temperature sensor signal, oxygen sensor signal, electronic spark advance angle signal and foot throttle position sensor signal and valve-closing signal respectively; The cylinder deactivation controller switches is connected the cylinder deactivation control end of the correspondence of positive source switching circuit.
10. piston four stroke engine according to claim 1, it is characterized in that: described distribution Drive and Control Circuit is a power electronic switching, the control end of this power electronic switching is connected with the output terminal of described crankshaft position sensor, and the control output end of this power electronic switching is connected in the power loop of described electromagnet assembly; Described crankshaft position sensor is the position of 720 ° of work of induction generator bent axle respectively, and is connected with the coil of described electromagnet assembly by described power electronic switching respectively; The tutorial light that on the wire loop of described electromagnet assembly, also is connected with current inductor respectively and can indicates valve opening to close, this tutorial light by being connected on the current inductor on the wire loop inductor coil and the induction of dry reed-pipe, connect the circuit that is connected on the LED on the dry reed-pipe loop; Between corresponding to this LED of a distribution Drive and Control Circuit of the intake valve of each cylinder and exhaust valve and dry reed-pipe, draw spark time expand control signal and fuel injection control signal respectively, and be connected with the control end of described ignition mechanism and fuel injection system respectively; Also comprise a micro computer master controller, in order to described distribution device ignition mechanism and fuel injection system are carried out unified time-oriented sequential control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102036948A CN101922362A (en) | 2009-06-17 | 2009-06-17 | Piston four stroke engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102036948A CN101922362A (en) | 2009-06-17 | 2009-06-17 | Piston four stroke engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101922362A true CN101922362A (en) | 2010-12-22 |
Family
ID=43337518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102036948A Pending CN101922362A (en) | 2009-06-17 | 2009-06-17 | Piston four stroke engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101922362A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425517A (en) * | 2011-10-28 | 2012-04-25 | 南京理工大学 | Gas fuel electric-controlled injection device |
| CN103161582A (en) * | 2011-12-12 | 2013-06-19 | 现代自动车株式会社 | Apparatus and method for controlling actuator that controls opening and closing of intake valve |
| CN109738190A (en) * | 2018-12-24 | 2019-05-10 | 重庆优摩特科技有限公司 | Method and device thereof for cylinder top dead centre groove |
-
2009
- 2009-06-17 CN CN2009102036948A patent/CN101922362A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425517A (en) * | 2011-10-28 | 2012-04-25 | 南京理工大学 | Gas fuel electric-controlled injection device |
| CN102425517B (en) * | 2011-10-28 | 2013-06-05 | 南京理工大学 | Gas fuel electric-controlled injection device |
| CN103161582A (en) * | 2011-12-12 | 2013-06-19 | 现代自动车株式会社 | Apparatus and method for controlling actuator that controls opening and closing of intake valve |
| CN103161582B (en) * | 2011-12-12 | 2016-12-21 | 现代自动车株式会社 | The apparatus and method that the actuator controlling inlet open and Guan Bi is controlled |
| CN109738190A (en) * | 2018-12-24 | 2019-05-10 | 重庆优摩特科技有限公司 | Method and device thereof for cylinder top dead centre groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1288338C (en) | Directly actuated injection valve with ferromagnetic needle | |
| CN101922362A (en) | Piston four stroke engine | |
| CN105351130A (en) | Pressurization no-leakage piezoelectric control type gas injection device | |
| CN201420602Y (en) | Piston type four-stroke engine | |
| US5857449A (en) | Two-cycle internal combustion engine | |
| CN201314249Y (en) | Time-delay closing system of two-section engine intake valve controlled by slide valve | |
| CN205714518U (en) | The double piezoelectricity hybrid fuel jet device of the non pressurized fuel oil-pressurized combustion gases of combination type | |
| CN206707900U (en) | A kind of low-power diesel-driven generator fuel jet electronic monoblock pump | |
| CN202811141U (en) | Energy storage type high pressure electronic fuel pump | |
| CN105756740B (en) | Voltage control air distribution system | |
| CN105756821B (en) | The double piezoelectricity hybrid fuel jet devices of the non pressurized fuel oil-pressurized combustion gases of combined type | |
| CN205779392U (en) | The double supercharging electromagnetic fuel injection piezoelectricity jet hybrid fuel jet device of combination type | |
| CN201851247U (en) | High-pressure fuel feed pump used for high-pressure common-rail fuel injection system | |
| CN205744035U (en) | Electromagnetic hydraulic pressure drive-type air distribution system | |
| CN105756825B (en) | Combined electromagnetic oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN211874632U (en) | Large-flow small-return-oil common-rail oil injector for ship and power generation | |
| CN205714521U (en) | Combined mechanical oil spout-supercharging piezoelectricity jet hybrid fuel jet device | |
| CN105756829B (en) | Combined mechanical oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN2500828Y (en) | Electric control oil injector used in electric control high-pressure common rail diesel oil injection system | |
| CN105756820A (en) | Combined pressurizing electromagnetic fuel oil injection and non-pressurizing piezoelectric fuel gas injection mixed fuel injection device | |
| CN105756826B (en) | Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device | |
| CN205207029U (en) | Piezoelectric control of leakage formula fuel gas jetting device is not had in pressure boost | |
| CN205779395U (en) | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device | |
| CN205908402U (en) | Modular oil spout of pressure boost electromagnetism jet -propelled fuel injection apparatus that mixes of non -supercharged piezoelectricity | |
| CN202851217U (en) | Diesel oil injection system driven by cylinder combustion pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101222 |