CN2044646U - Device for auto-controlling changing cylinder of engine and saving oil - Google Patents
Device for auto-controlling changing cylinder of engine and saving oil Download PDFInfo
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- CN2044646U CN2044646U CN 88214655 CN88214655U CN2044646U CN 2044646 U CN2044646 U CN 2044646U CN 88214655 CN88214655 CN 88214655 CN 88214655 U CN88214655 U CN 88214655U CN 2044646 U CN2044646 U CN 2044646U
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Abstract
The utility model discloses a device for auto-controlling changing cylinder of an engine and saving oil which is suitable for various gasoline engines with pre-set valves. The utility model comprises a measuring DC generator, the exciting current control mechanism of the measuring DC generator, a measuring executing loop, an intake manifold and an operation control mechanism of an intake valve. In various running conditions of an automobile, the oil economizer system automatically changes the quantity of the working cylinders of the engine according to the engine speed and the operating angle of an accelerating pedal, the engine power obtains reasonable full utilization, and so the high efficiency and oil saving purpose is reached.
Description
The utility model relates to a kind of automatically controlled engine and become the cylinder economizer system, this system can change the clutch release slave cylinder number of motor automatically according to the working position of engine speed and accelerator pedal under the various travelling states of automobile.
The engine power of current mobility car all is to design according to performance requirements such as fully loaded, climbing, acceleration and highest speed.If automobile zero load or semi-load, at city low speed driving and on level road, at the uniform velocity travelling, power demand only accounts for the 20-40% of automobile engine power, it is a typical low load with strong power, so that caused unnecessary fuel consume, how to address this problem, " the eccentric rocking arm shaft type of the 492 type petrol engine cylinder-down oil saver " of comrade's Wu Guangzheng invention of Beijing Automobile Industrial Technology Development Centre its objective is and solve the above problems, though this device is simple to operate, but the deficiency that it is also arranged, because the deactivation apparatus of comrade's Wu Guangzheng invention is to close inlet and exhaust valve, it is identical that the Cadillac V8-6-4 type of introducing in its mode " Hyundai Motor complete works " book with the publication of Hubei science tech publishing house becomes Cylinder engine change cylinder mode, the change Cylinder engine complexity that its operating device is also invented than Cadillac.Though this cylinder deactivation mode has been omitted the control of intake duct, but owing to closing of inlet and exhaust valve, this cylinder is just as same pneumatic spring, consuming self power of motor, fuel-saving efficiency is reduced, control closing of multi-cylinder if desired, this situation can be even more serious, seriously influence exerting oneself of other acting cylinder, caused unnecessary power loss.Because the deactivation apparatus of comrade's Wu Guangzheng invention is to adopt the eccentric rocking arm shaft type of Electric Machine Control cylinder deactivation mechanism, therefore be subjected to the restriction of volume and directivity, be difficult for realizing the independent control of multi-cylinder, its power levelling scope also has been subjected to certain restriction, because what this device adopted is manual control, whether cylinder deactivation depends on the driver again, because reaching, driver's error in judgement whether uses this device, the capital influences giving full play to of this apparatus function, make it to cause unnecessary power consumpiton, fuel-saving efficiency is reduced.
The purpose of this utility model is the weakness that has overcome the above device, and a kind of automatically controlled engine that obtains becomes the cylinder economizer system, this system does not need driver's operation and control when work, under the various travelling states of automobile, just can be according to the clutch release slave cylinder number of the working position automatically controlled engine of engine speed and accelerator pedal, in order to adapt to automobile required power under various load conditions, make the power of motor be able to sufficient utilization.
Native system is the control engine speed effectively, but do not influence the acceleration of automobile and automobile at the required maximum driving force of busy hour, owing to controlled the rotating speed of motor, therefore reduced the mechanical wear when motor is overrun running, also saved fuel consume, because having adopted, native system closes intake manifold unlatching intake valve and circulation air flue, the power consumpiton of institute's cylinder deactivation is descended, the output power of clutch release slave cylinder is fully utilized, this system can also compensate low grade and not have enough to eat when automobile is climbed, top grade draws the power loss when motionless, has improved the power utilization of motor.
The utility model is achieved in that it is by automatic control loop and cylinder deactivation operating device with measure generator exciting curent control mechanism three parts and form.
One, automatic control loop: it is by the DC measurement generator, the generator exciting curent control loop of accelerator pedal interlock and measurement are carried out the loop and are formed, the DC measurement generator is directly driven by motor by fixing velocity ratio, because the voltage of DC generator is directly proportional with the rotating speed of armature and the number of the magnetic line of force, therefore the number that reduces the magnetic line of force when the armature rotating speed increases just can make generator output voltage keep certain, and what of the magnetic line of force are depended on exciting curent, so when rotation speed change, as long as can regulate field current automatically, just can make voltage keep certain value.And accelerator pedal can be controlled the rotating speed of motor, according to this relation, native system adopts the exciting curent of controlling generator with the variable resistor of accelerator pedal interlock, increase the resistance of energizing loop during acceleration, exciting curent is reduced, reduce the resistance of energizing loop during deceleration, exciting curent is increased.Under predetermined load, the output voltage of generator always keeps necessarily like this, and this voltage is for measuring output voltage, and this voltage can be by the variable resistor adjustment in the energizing loop.For the asynchronous voltage functuation that causes of exciting curent that reduces to control with generator speed owing to accelerator pedal, the exciting curent control variable resistor of accelerator pedal interlock has bidirectional damper mechanism, its time of quickening damping and deceleration damping can align respectively, in order to adapt to the automobile of various performance requirements.
Measuring the execution loop is made up of voltage-regulating relay, execution relay and the attached control switch that helps; the effect of voltage-regulating relay is that relay is carried out in protection; when automobile runs into situation under steam; want Reduced Speed Now; or with engine braking, car can very fast decline owing to velocity inertial because measurement generator energizing loop resistance reduces like this.Make like this and measure the very fast rising of output voltage, this magnitude of voltage is higher several times than cruising.In order to prevent to burn the execution relay, add the rising that a voltage regulator limits measuring voltage at generator output end, its working principle is when the measurement output voltage is elevated to predetermined value, the regulating voltage actuating of relay, break contact disconnects, current-limiting resistance is sealed in the generator energizing loop, force output voltage to descend.Descend as voltage, regulating relay returns, break contact is from new short circuit current-limiting resistance, output voltage is raise, this reconciles output voltage values for carrying out the maximum operating voltage that relay allows, can not influence normal surveying work, the effect of carrying out relay is the working state of control electromagnetic valve, relay returns, cylinder is opened in the operation of electromagnetic valve pressurized gas, and the operation voltage value of its relay is: F-Zero position (the throttle valve opening maximum of Carburetor) automobile is fully loaded to give it the gun on level road with the top gear position when accelerator pedal is operated in.When the speed of a motor vehicle during a little more than the national regulation F-Zero, measure the magnitude of voltage of generator output, be the operation voltage of carrying out relay.Align the variable resistor in the energizing loop, just can limit the maximum travel speed of vehicle.The return voltage of carrying out relay is the 50-60% of operation voltage, if require multi-cylinder control, its operation voltage of carrying out voltage relay can make the operation voltage of the operation voltage of earlier moving cylinder a little less than the moving cylinder in back by job order, and its return voltage also is like this.Thereby realized multi-cylinder control motor, increased power levelling scope, working procedure: by carrying out actuating of relay voltage setting valve condition, if the speed of a motor vehicle continues to accelerate, the rotating speed of motor is also accelerated, and makes the measurement output voltage of measuring generator continue to raise, and has reached the operation voltage of carrying out relay, the actuating of relay is closed cylinder by solenoid operated.If the speed of a motor vehicle is also increasing, another is carried out relay and also can move, and motor can be cutting out a cylinder, and is constant up to keeping the speed of a motor vehicle.If at this moment the automobile load increases, the speed of a motor vehicle reduces.When the speed of a motor vehicle drops to predetermined value, after the pairing execution relay of a cylinder of closing at first return, make this cylinder enter work, increase the output power of motor.If can't satisfy the demand, the pairing execution relay of a cylinder of cutting out earlier returns, and makes this cylinder also enter working state, continues to increase the output power of motor.When automobile running during to the downhill path, the speed of a motor vehicle can constantly raise, sometimes also will be with engine braking.Like this its measure output voltage can very fast rising, make all controlled cylinders, close cylinder, the only clutch release slave cylinder of remaining minority braking.When vehicle entered the urban district, because vehicle-speed limit is low, running resistance reduced, and the urban road situation is also complicated, and therefore, in order to guarantee the acceleration performance of automobile, gear is all lower, like this because no-load voltage ratio increases, the automobile driving force is also increased.Like this, accelerator pedal is engine speed rotating speed height when high gear travels on highway when same position, measures output voltage like this and also can raise, and carries out relay and will move control and close cylinder.Gear is low more, and driving force is big more, and accelerator pedal is when the precalculated position, and engine speed is big more.Make the measurement output voltage also high more, other clutch release slave cylinder is closed in succession, engine output and automobile running power demand are matched.Thereby reached the engine power regulating action, improved fuel saving ratio.
The attached switch that helps: it is by clutch control switch, and neutral control switch and temp control switch are formed.Clutch control switch is controlled and is wherein partly carried out relay.When stepping on clutch, make and wherein partly carry out the relay loss of excitation, desired power during with the assurance cycling start.Working principle is: when vehicle starting, need with the neutral down shifting, owing at this moment need to step on dynamic clutch, pedal also quickens cycling start, and at this moment because motor is in unloaded state, rotating speed can very fast rising, make it to measure output voltage and raise, very easily cause control cylinder all to close cylinder.If at this moment lift the clutch cycling start, power requirements when the clutch release slave cylinder of minority just can't satisfy vehicle starting, and easily cause flame-out, therefore add clutch control switch, when the stepping on clutch pedal, this switch breaking part is carried out the grounding end of relay coil, make it not to be subjected to the control of measuring voltage, make this part carry out relay and keep return state, make most of cylinder working, the power requirements during with the assurance cycling start.The neutral control switch is the control battery feed, and when at neutral gear position, switch on inserts the accumulator positive power supply and carries out the loop, measures the generating pusher side for preventing that power supply is returned to, by a diode-isolated.Its objective is: when at neutral gear position, make the execution actuating of relay by battery feed, remaining minority clutch release slave cylinder is kept the normal idling of motor.When the neutral down shifting, switch disconnects the accumulator positive power supply, makes the normal work of loop recovery of carrying out.Temp control switch, it is controlling the grounding end in whole execution loop, and its effect is: when cold cycling start, thermal switch disconnects the grounding end of carrying out the loop, make whole cylinder operation, at this moment because vaporizer by minority cylinder working situation levelling idling, if each cylinder is all worked, raises engine speed, when temperature reaches specified value, the temp control switch closure is connected the grounding end of carrying out the loop, makes it to enter normal idling conditions.Thereby realized the automatic preheating of motor.
Two, by the structural principle and the effect of the measurement generator exciting curent control mechanism of accelerator pedal interlock, introduce in detail with reference to the accompanying drawings.
Three, cylinder deactivation operating device: it is by gas-separating valve, and intake valve control mechanism and pneumatic chamber operating device three parts are formed.Gas-separating valve is an independent agency, closes and opens with plate valve control intake manifold.It is connected between intake manifold and the cylinder head suction port, and valve shaft is provided with gas-distributing channel, and the by-pass port of valve shaft gas-distributing channel is relative with gas-distributing channel on the valve body.When plate valve cuts out air inlet fork road, gas-distributing channel on by-pass port and the valve body communicates, close the reciprocal needed air of piston of cylinder in order to circulation, reduce the resistance when reciprocal, when plate valve is opened intake manifold, gas-distributing channel on by-pass port and the valve body disconnects, make the clutch release slave cylinder proper functioning, the circulation air flue is equipped with in the valve shaft upper end, communicate with the gas-distributing channel on the valve shaft, the other end and other may command cylinder gas-separating valve join and insert air-strainer, to guarantee the cleaning of recycle gas, rocking arm is equipped with in dog tooth mode in the valve shaft upper end, and alive being connected on the operating stem.
The intake valve control mechanism: it is by the star rocking arm, carries out cam and spring valve fore-set and forms.The star rocking arm is to increase an arm of force than original rocking arm, and this arm of force is by carrying out cam control.Carrying out cam is installed on the camshaft, this axle is installed in pitman arm shaft support below, the cam the other end is a gear, it and the tooth bar mutually interlock of operation on the tappet, when needs closed cylinder, tappet moved with axial direction, and the rack drives gear rotates, make and carry out another arm of force on the cam compressing rocking arm, make rocking arm action compressing IO Intake Valve Opens.Spring valve fore-set is by cylinder and plunger combination.The spring compressing plunger of column body moves upward.Because moment is less, can not influence normally closing of valve, when the control valve opening, because when valve-closing, the valve clearance increases, at this moment pressure spring moves upward plunger, always keeps closely cooperating of push rod and rocking arm, has prevented coming off of push rod.After the control valve-closing (entering proper functioning), valve spring forces rocking arm compressing push rod and plunger, makes the compression of cylinder inner spring, and plunger flange and cylinder are joined, and does not influence valve clearance and normal work.
The pneumatic chamber operating device is made up of solenoid valve, pneumatic chamber, operation tappet and adjustable-length connecting rod and tappet slide.When automatic control loop execution relay returned, the break contact closure was connected power of electromagnetic valve, make the solenoid valve action, make pressurized gas enter pneumatic chamber by solenoid valve, rubber membrane overcomes the pressure of pneumatic chamber inner spring, promote the operation tappet, go to operate closing of cylinder.When carrying out the actuating of relay, break contact disconnects, in atmosphere, the pressure spring in the pneumatic chamber forces the operation tappet to swivel motion by solenoid valve row for solenoid valve loss of excitation, the gas of pneumatic chamber, make cylinder from newly working, the operation tappet is to be fixed on the cylinder head by two tappet slides, and slide is provided with seal groove, the excellent sealing between assurance and the suction chamber cover, tappet guide hole on the slide is equipped with rubber oil sea, in case the leaking outside of lubricating oil.Bearing is equipped with in the section of rack bottom of operation tappet, the control rocking arm is lived with the adjustable-length connecting rod and is connected on the working strength when improving the work of operation tappet, operation tappet and gas-separating valve, and sleeve pipe is aligned in rotation, just can change length of connecting rod, in order to the operating angle of levelling gas-separating valve valve plate.
The concrete structure of model utility is provided by following embodiment and accompanying drawing thereof, and this is suitable for novel is with east wind EQ140 truck, and the Q6100 motor is an example:
Figure one, be that automatic control of the present utility model becomes the cylinder system diagram.
Figure two, be the utility model cylinder deactivation operating device principle internal anatomy.
Figure three, be measurement generator exciting curent control mechanism schematic diagram of the present utility model.
Referring now to accompanying drawing one, figure middle and lower part is automatic control loop, and R is that JI is an accelerator pedal by the exciting curent control resistor of accelerator pedal interlock.A is a return spring.B is an acceleration spring.C is a damped cylinder, can adopt the vapour lock Buddhist nun, and when stepping on JS, sliding some H moves down, and energizing loop resistance is increased, and exciting curent has also just reduced, R
1Be the variable resistor in the energizing loop, R
2Be current-limiting resistance, it is with the control of YJ contact, and ZFD is a DC generator, and YJ is a voltage regulator relay winding, and D is an isolating diode.IYJ, 2YJ and 3YJ are respectively the coils of the execution voltage relay of each control cylinder, and its contact removes to control three solenoid valves respectively, solenoid valve of IYJ relay normally closed contact control, and this solenoid valve is being controlled the cylinder deactivation operating device of second cylinder and the 5th cylinder simultaneously.The break contact of 2YJ relay is being controlled solenoid valve No. 2, the cylinder deactivation operating device of this electromagnetic valve first cylinder, No. 3 solenoid valves of break contact control of 3YJ relay, the cylinder deactivation operating device of this electromagnetic valve the 6th cylinder.It respectively carries out actuating of relay voltage is V
1YJ＞V
2YJ＞V
3YJ
Sequence of movement: close cylinder and be six cylinders →-cylinder → two cylinder and five cylinders, opening cylinder is two cylinder and five cylinders → cylinder → six cylinders, and KDJ is the control position switch, is closed state during the control retaining, LHJ is a clutch switch, normal is closed state, and WDJ is a temp control switch, and temperature is an off state when low, when arriving predetermined temperature, switch on, D are isolating diode, XD
1-3It is respectively the working station indicator of each control cylinder.
In the cylinder deactivation operation system, (1) is gas-separating valve control rocking arm.(2) be the operation tappet.(3) be to carry out cam.(4) be to carry out camshaft.(5) be to carry out cam wheel.(6) be the operation pneumatic chamber.(7) be the inlet and exhaust valve spring.(8) be the pitman arm shaft support.(9) be the valve actuating push rod hole.(10) be the high-pressure air pipe that comes by solenoid valve.(11) be the branch gas column plug of solenoid valve.(12) be the exhaust port of solenoid valve.(13) be the high-pressure air pipe that comes by gas receiver.(14) be gas receiver.(15) be check valve, its effect is the misoperation that causes system when preventing automobile brake owing to the reduction of air pressure.(16) be that the spoke of carrying out camshaft helps support.(17) be the coil of solenoid valve.
Now referring to figure two: the A figure among the figure is the elevation cross-sectional view of operation system.B figure is the plan view of operation system.C figure is the side cutaway view of gas-separating valve.D figure is the side view of valve operating mechanism.E figure is the local amplification front elevation of valve operating mechanism.F figure is the elevation cross-sectional view of tappet slide.G figure is the side view of tappet slide.H figure is the sectional view of changeable length pull bar.Describe in detail referring now to accompanying drawing, (1) is the circulation air flue among the figure, in order to the not reciprocal gas of clutch release slave cylinder that circulates, to reduce the not power consumpiton of clutch release slave cylinder.(2) be the gas-distributing channel of plate valve axle.(3) be the plate valve axis body.(4) be the control rocking arm of gas-separating valve.(5) be the by-pass port of valve shaft gas-distributing channel, it communicates with gas-distributing channel (6) on the valve body when closing cylinder, and when opening cylinder, plate valve rotates nearly 90 °, because the rotation of valve shaft disconnects the by-pass port of valve shaft gas-distributing channel and the gas-distributing channel on the valve body.(7) be plate valve, be fixed on the valve shaft by bolt (38).(8) be valve body.(9) be intake duct on the cylinder head.(10) be intake valve.(11) be operation tappet slide, in order to the direction of action of restriction operation tappet (30).(12) be valve spring.(13) be valve rocker.(14) be the valve rocker shaft bracker fixing bolt.(15) be cyclinder head cover.(16) be that nut is adjusted in the valve clearance.(17) be air valve shaft.(18) be the execution arm of force of inlet valve rocker, it contacts with the basic circle of carrying out cam (21), when the tooth bar (23) in operation tappet (30) during to left movement, rack drives is carried out cam wheel (19) spinning roller, make and carry out cam, make and carry out the cam compressing execution arm of force (18), make valve rocker compressing inlet-valve spring by the rotation of up time direction, intake valve is opened, reduced the not rotational resistance of clutch release slave cylinder.(20) be to carry out camshaft, it is installed in the side-lower of valve lever pin.(22) be push rod.(24) be the tooth bar slide, the working strength when operating in order to increase.(25) be pneumatic chamber, main task is an operation cylinder deactivation mechanism.(26) be the pneumatic chamber stage clip, after the pneumatic chamber decompression, it can make operating device return readiness.(27) be the pneumatic chamber push rod, it is connected with the screw form with operating stem, its objective is and is convenient to dismounting.(28) be rubber membrane.(29) be the high pressure air import.(31) be the pneumatic chamber fixing frame.(33) be ram seat.(34) be the circulation oil duct, after closing cylinder, the lubricating oil circulation when being used for plunger (35) to-and-fro motion.(36) be the valve fore-set.(37) be pressure spring in the fore-set, close cylinder after, to guarantee the tight contact between push rod, ram seat and the rocking arm arm.(38) be fixing bolt.(39) be engine body.(40) be push-rod hole on the cylinder head.(41) be the fixed hole of valve rocker shaft bracker.(42) be the adjustment cover of variable-length pull bar.(43) be positive silk pull bar.(44) be anti-silk pull bar, when cover is adjusted in rotation, left and right sides pull bar moved simultaneously inwards or outwards.(45) be set screw nut, overlap in order to fixing adjustment.(46) be pin-and-hole, be connected with living of operation tappet with control rocking arm with gas-separating valve.(47) be the seal groove of operation tappet slide, to guarantee the excellent sealing between slide and the cyclinder head cover.(48) be rubber oil sea, its effect is to prevent leaking outside of valve cage machine oil.(49) be operation tappet guide hole.(50) be the fixed hole of slide.(51) be connecting pin.
Referring to figure three, this is the three-view diagram by the measurement generator exciting curent control mechanism of accelerator pedal interlock.
A figure: the side view of exciting curent controlling organization.
B figure: the front view of exciting curent controlling organization.
C figure: the top plan view that is A figure exciting curent controlling organization A-A line.
Structure and effect referring now to three pairs of exciting curent controlling organizations of figure are described in further detail: when automobile accelerates, to put one's foot down, accelerator pedal drives acceleration swing arm (14) and is moved downward by pulling block (13) drive control link (4), levelling nut (15) is equipped with in the connecting rod lower end, its effect is the start angle that changes control rocking arm (3), and control link can be free to slide in the pulling block hole. During deceleration, accelerate the uncontrolled connecting rod of swing arm restriction and Freely return, when control link moves downward, adjusting nut (8) and (9) pressuring spring (10) by the upper end dress impel sliding sleeve (5) to move downward together, owing on the control rocking arm damping tube (22) is housed, make the motion of sliding sleeve be subjected to the damping restriction, the rotation time of control rocking arm is prolonged, be later than the downgoing time of control link, thereby realized the acceleration damping, its objective is in the situation of accelerator pedal sudden change, keep measuring the steady change of output voltage, make its pace of change and engine speed as far as possible synchronous, its, capable of regulating was at 1-3 between second damping time, from then on reduce the operating mechanism action frequency, if the automobile load is bigger, do not come on the engine speed at short notice, operating system is just moved and is added cylinder, increase the driving force of automobile, the sliding sleeve lower end is by catch (11) and split pin (12) location, and purpose is levelling nut (8) and (9), just can adjust the initial moment of spring (10), therefore also just change the time of accelerating damping. During deceleration, the acceleration swing arm moves upward, and the control pull bar will move upward under the effect of extension spring (19), because the design moment of extension spring (19) is little, and because of the effect of damping tube, make to return to prolong damping time, this time can be adjusted by two adjusting nuts (17) and (18) adjusted on the screw mandrel (16), and adjusting screw mandrel is to be fixed on the support (20). One end of extension spring (19) hangs over the lower end of adjusting screw mandrel. The other end hangs on the control rocking arm, and the control rocking arm is to be installed on the sliding sleeve free to rotate with bolt (6).
The effect of returning damping of control rocking arm is identical with the effect of accelerating damping, just returning damping time will grow, time is 3-6 second, this be because, because the existence of automobile self inertia, release the gas pedal, the speed of automobile can be not yet thereupon moment descend, but slowly deceleration under the effect of inertia is for avoiding during this period of time operating system action cylinder deactivation, control the damping that is provided with the long period of returning of rocking arm, in order to avoid gearshift, deceleration time moment when meeting and other situation, the unnecessary cylinder deactivation during with minimizing moment deceleration, keep automobile to have enough driving forces, keep its acceleration and normal travel speed. In the city, the effect meeting of this mechanism is more remarkable.
(1) among the figure is the exciting curent controlling resistance, it drives controlling resistance by the driving gear (26) of control on the rocking arm and adjusts gear (27) on the axle and carry out that exciting curent adjusts, (7) be the fixed axis of control rocking arm, it is installed in fixedly on the support of controlling resistance (24), and (2) are hold-down nuts. (28) be the fixing hole of controlling resistance and support. (25) be the set bolt of fixed support (24). (21) be the support of damping tube (22). Be installed on support (20) and (21) by fixed axis (32). The damping tube can rotate at fixed axis, adapting to its different operating angle, and handicapping Buddhist nun time adjusting nut (31) on the damping tube, (30) are spiracles. (32) be the circulation pore of damping tube, this damping tube is exactly a common inflator, and the gas flow flux that just limits its gas outlet reaches the purpose of damping. (29) be the lead-out terminal of controlling resistance. (23) be bracket assembly.
Claims (1)
1, a kind of automatically controlled engine becomes oil-saving device of the jar, it is characterized in that:
A, by a cylinder deactivation operating device of forming by gas-separating valve, intake valve control mechanism and pneumatic chamber operating device, gas-separating valve is located in the engine intake manifold, valve shaft is provided with gas-distributing channel, the intake valve control mechanism is made up of star rocking arm, execution cam and valve fore-set, the pneumatic chamber operating device comprises solenoid valve, pneumatic chamber, operation tappet, connecting rod and tappet slide
B, have an automatic control loop, this control loop to comprise the generator exciting curent control loop of DC measurement generator and accelerator pedal interlock and by voltage-regulating relay, carry out relay and the attached measurement execution loop that helps switch to form,
C, a generator exciting curent control mechanism with accelerator pedal interlock is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88214655 CN2044646U (en) | 1988-10-11 | 1988-10-11 | Device for auto-controlling changing cylinder of engine and saving oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88214655 CN2044646U (en) | 1988-10-11 | 1988-10-11 | Device for auto-controlling changing cylinder of engine and saving oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2044646U true CN2044646U (en) | 1989-09-20 |
Family
ID=4847559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88214655 Abandoned CN2044646U (en) | 1988-10-11 | 1988-10-11 | Device for auto-controlling changing cylinder of engine and saving oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2044646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410623A (en) * | 2013-08-20 | 2013-11-27 | 杨木胜 | Oil-saving method for motor vehicle and energy-saving motor vehicle |
| CN103603729A (en) * | 2013-12-08 | 2014-02-26 | 吉林大学 | Variable-displacement engine |
| CN108035926A (en) * | 2017-12-13 | 2018-05-15 | 安徽天水液压机床科技有限公司 | A kind of application method of multi-cylinder linkage hydraulic system of hydraulic machine |
-
1988
- 1988-10-11 CN CN 88214655 patent/CN2044646U/en not_active Abandoned
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410623A (en) * | 2013-08-20 | 2013-11-27 | 杨木胜 | Oil-saving method for motor vehicle and energy-saving motor vehicle |
| CN103603729A (en) * | 2013-12-08 | 2014-02-26 | 吉林大学 | Variable-displacement engine |
| CN108035926A (en) * | 2017-12-13 | 2018-05-15 | 安徽天水液压机床科技有限公司 | A kind of application method of multi-cylinder linkage hydraulic system of hydraulic machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |