CN101289956B - Piston reciprocating internal-combustion engine turbocharging device - Google Patents

Abstract

The invention discloses a working substance flowing system of a piston reciprocating internal combustion engine and regulation and control setting thereof. An upper end of a frame moving up and down along the rotation of a power shaft is connected with an engine cylinder piston [7]; the lower end of the frame is made into a pressure cylinder piston [5]; an air inlet pipe[14], an air inlet check valve[2] and an air compression check valve[3] are arranged on a bottom cover plate of the pressure cylinder; air sucked from the air inlet pipe[14] by the pressure cylinder is sprayed by water mist for intercooling in compression; compressed air is stored in an air storage channel, tangentially supplied to an air inlet[10] of an engine cylinder sleeve; a rod head of the air compression check valve[3] is connected with the compressed air regulating and controlling device. An exhaust port [12] of the engine cylinder is arranged in the rear side of the cylinder top; a pressurized air bypass channel tightly pressed on the lower side of a flashboard-type exhaust valve [21] and an air suction check valve [22] of the upper side of a vent-pipe inlet cool an exhaust system and exhaust air and have the effects of both decontamination and preventing an exhaust gas turbine from surging. The supercharging mechanism has compact structure, indirect transmission, stable pressurization and cooling function; the working substance flowing system is provided with the regulating and controlling device with optimized performance and is convenient to the actualization of a small and medium sized engine.

Description

A kind of booster body of piston reciprocating internal combustion engine

Technical field the invention belongs to the reciprocating piston internal combustion engine motor

Background technique is in order to improve the power of reciprocating piston internal combustion engine, the needs of the thermal efficiency and decontamination, and the method that adopts is exhaust gas turbocharge or establishes mechanism's supercharging in addition at present; Exhaust gas turbocharge is difficult to adapt to the demand of each operating mode, and Transient response lags behind, and needs to add supporting facility and solves, and has increased the complexity and the manufacture cost of motor.The outer engine driven supercharging of machine, also increased complexity, while is consumed power in addition, above measure also lacks the regulation and control to amount of charge air and temperature, aspect energy-saving dirt-removing, do not obtain obvious effects, though therefore get certain effect, unsatisfactory, be difficult to popularize on the middle-size and small-size motor the widest in purposes, that quantity is maximum.

The problem that exists is strengthened and optimized to summary of the invention in order to solve above-mentioned conventional engines, according to strengthening principle and energy-saving dirt-removing and optimization requirement, it is opposed to design a kind of two cylinders, the air feed cylinder is greater than starting cylinder, two-piston links into an integrated entity with frame structure, power transmission part is placed in the framework, the engine block inner carrier formula supercharging scheme that line shaft passes from the framework front and back, increased the regulation and control of the amount and the temperature of pressurized air simultaneously, exhaust has increased pressurized air bypass and exhaust intermittently time the, the air-breathing cooling of turbine and has given setting such as anti-surge.Filtered air enters body from the opening in the middle of the bonnet plate, is flowing into pressurized cylinder on the way, to starting the cooling of cylinder and other parts and machine oil.

Make the power transmission of motor with application 200710147446.7 " a kind of pinion and racks ", the tooth bar framework of this mechanism is made the supercharging framework, its upper end connects starts the cylinder piston, horizontal attachment portion, lower end makes pressurized cylinder piston, then two-piston becomes as a whole, be synchronized with the movement and stroke identical; The pressurized cylinder piston diameter is to start the twice of cylinder piston diameter above (increase and decrease of concrete numerical value is determined by designing requirement), cooperates with pressurized cylinder to constitute the piston reciprocating type booster body.Its good effect is: utilized the space of crank box,, realized super high pressure-charging, can obtain to start the not power of supercharging of cylinder more than 5 times not increasing other auxiliary settings down, and compact structure, transmission is direct, and supercharging is stable, cooperates in order; And every circulation may command air in certain amount in the pressurized cylinder, when pressurized cylinder sucks air, spray into an amount of water smoke and air mixing, water smoke then absorbs the heat vaporization that the heat that carries and compression process generate of lowering the temperature of (promptly reclaiming) air on the way in pressurized cylinder become water vapor, thereby realize cold during air is in pressurized cylinder (in cold water spraying mechanism, in application 200710193940.7, propose); Regulate the adjustable compressed air temperature of injection flow rate, help the tissue burning.In pressurized air after cold can also lower the temperature to starting cylinder and piston, so the pressurized measure of original affected by hot loading puzzlement became strong cooling means; Cold compression has also reduced a large amount of compression wasted works in the water spray; Water vapor that generates and air mixing enter starts cylinder, can improve the combustion process of starting in the cylinder and improve the thermal efficiency; Start cylinder to compare with the identical cylinder that starts of unpressurized power, its heat diffusion area has dwindled 3-4 doubly, has reduced the heat transfer loss that starts cylinder external, has relatively increased the thermal efficiency of motor.Other good effects are: this tooth bar framework (supercharging framework) has in being beneficial to the connection reciprocal inertia force eliminates mechanism and favourable transmission to other mechanisms, the motor of the parallel structure of favourable combination twin-tub (it is embodied in application " 200710193940.7 ", " 200710193939.4 " and proposes).

When making the power transmission of motor with traditional connecting rod, make the supercharging framework with the framework of a similar tooth bar frame structure, crank, crank pin and connecting rod are placed in the framework, crankshaft passes before and after framework, the framework upper end connects starts the cylinder piston, horizontal attachment portion, lower end is made pressurized cylinder piston and is cooperated with pressurized cylinder, constitutes piston type booster body same as described above.Its difference is the power way of output difference of motor, and the booster body when the other technologies feature is used as power output with good effect and " a kind of pinion and rack " is identical.

On the pressurized cylinder bottom plate, be provided with pressurized cylinder breather check valve and pressurized air safety check; The cylinder outside is equipped with the perflation ventilation road of air intake pipe below bottom plate and is communicated with; Be that pressurized air holds the gas passage below the pressurized air safety check, stretch out bottom plate upwards from the cylinder side below bottom plate, the back of turning again tangentially leads to starts the cylinder sleeve suction port, and is cut under the cylinder sleeve to starting the bottom of cylinder around starting.Air in the compression after cold is stored in and holds in the gas passage; When starting the cylinder descent of piston to open to start the cylinder sleeve intake grill, middle cool air tangentially enters at a high speed with certain pressure and starts cylinder, to piston-top surface with start cylinder to lower the temperature.Cause starts the cylinder piston to be connected on the framework, when framework moves up and down, and piston and the cool air relative movement of holding in the gas passage, the cool air that holds in the gas passage can be led away the heat that piston has, and eliminates the harm of heat load.The gas passage pressurized air of storage after the supercharging of standing for a long while is held in employing, and the compression of starting cylinder and the work such as output of power are organically combined with supercharging work, side by side carries out.

The pressurized air check-valve lever extend out to motor bottom plate outside from holding the gas passage, connect " pressurized cylinder suction air conditioning mechanism " and regulate pressurized air closure of check ring gap, make a certain amount of pressurized air return pressurized cylinder, reach and regulate the purpose that pressurized cylinder sucks air quantity.Its good effect is to regulate the compression ratio that starts cylinder, and the load air feed of motor is pressed in the startup of favourable motor, is equipped with rational air fuel ratio; Be connected with the speed regulator member as pressurized cylinder being sucked air conditioning mechanism, press the revolution and the in good time air feed of load of motor, can be convenient to realize the burning of mechanical type gasoline in-cylinder injection.

Relief opening is located at and starts upside behind the cylinder, reduces to start cylinder end face heat load, is convenient to other and is arranged on end face and arranges.Outlet pipe import top is provided with the suction air back valve, and the blasting action of utilizing exhaust to finish turbine break time sucks cool air to outlet valve and the cooling of exhaust air flow system, avoids exhaust gas turbine in the surge of exhaust during intermittence simultaneously.

Be pressurized air bypass passageways mouth below the flashboard type outlet valve, outlet valve is opened the bypass passageways outlet when opening relief opening, make pressurized air infeed the outlet pipe import and mix with waste gas, to the waste gas decontamination, simultaneously relief opening and waste gas is lowered the temperature.Bypass passageways also is furnished with controlling mechanism, and bypath air is regulated and control.Above measure helps mini engine and the high internal-combustion engine of delivery temperature realizes that the energy that exhaust gas turbine reclaims in the exhaust increases the thermal efficiency and the power of motor, and has the decontamination effect concurrently.Below in conjunction with accompanying drawing above invention is described in further detail.

Description of drawings Fig. 1: air feed system booster body sectional drawing; Fig. 2 .1: air feed system structural drawing on pressurized cylinder and the pressurized cylinder bottom plate; Fig. 2 .2: hold gas passage pressurized air and infeed and start the cylinder transverse sectional view; Fig. 2 .3 air feed system longitudinal sectional view; Fig. 3: pressurized cylinder sucks the air regulation mechanism map; Fig. 4 .1: vent systems plane structure chart; Fig. 4 .2: exhaust system structure longitudinal sectional view; Fig. 5: pressurized air bypass controlling mechanism transverse sectional view; Fig. 6: connecting rod engine booster structural drawing.

Embodiment 1: as shown in Figure 1: adopt the transmission of application " a kind of pinion and rack " (application number 200710147446.7) rate of doing work, this mechanism [6] middle rack framework upper end is attachment portion connection starting cylinder piston [7] laterally, horizontal attachment portion, lower end makes pressurized cylinder piston [5], so the tooth bar framework has just become the supercharging framework, two-piston is synchronous and stroke is identical; The diameter of pressurized cylinder piston [5] is more than 2 times of diameter that start piston [7], constitute super high pressure-charging mechanism, the power that makes motor is more than 5 times of power when starting not supercharging of cylinder (concrete numerical value is decided according to designing requirement), pressurized cylinder is done below power output shaft (gear shaft), four sides tabula continuous casting (shown in Fig. 2 .1) on body.

Area in pressurized cylinder bottom plate [20] cylinder is furnished with breather check valve [2] and pressurized air safety check [3], Fig. 2 .1 also illustrates: the pressurized cylinder outside is installed into airduct [14.15] on cover plate [20], be communicated with air intake passage [1] in (among the figure shown in the dotted line), air port, air intake pipe [14] upper end over against in cold spray cooling nozzle, (in cold spray cooling mechanism apply for proposing in 200710193940.7 at other, explanation herein is omitted), pressurized air connecting tube [19] lower end is installed in pressurized cylinder left rear side on the pressurized cylinder bottom plate, holding gas passage [4] (being shown in dotted line among the figure) with following pressurized air is communicated with, the upper end is communicated with upward, and pressurized air holds gas passage [9] (shown in Fig. 2 .3), holding gas passage [9] tangentially leads to the suction port that starts cylinder cylinder sleeve [10] and annular and holds around and mobilize cylinder cylinder sleeve [10] hypomere (Fig. 2 .2,2.3 shown in), constitute the hypomere part of starting cylinder.

Shown in Fig. 4 .2: start cylinder [11] to go up rear side relief opening [12] (shown in Fig. 1) and regularly open and close by flashboard type outlet valve [21], below the outlet valve [21], be provided with pressurized air bypass passageways [25] connection pressurized air and hold gas passage [9] (shown in Fig. 4 .2), the outlet of pressurized air bypass passageways [25] is opened and closed synchronously by the operation and the relief opening [12] of outlet valve [21], starting to infeed pressurized air between the cylinder exhaust cycle, and having the effect of decontamination concurrently relief opening and waste gas realization cooling.

Fig. 5 illustrates: the air demand of pressurized air bypass passageways [25], regulate by the regulating and controlling mechanism that leaf spring [26], flashboard [24], sphenocephaly flexible rod [27], nut [28] constitute, turn nut [28] advances flexible rod [27] sphenocephaly compressing flashboard [24] and leaf spring [26] head, dwindle or close bypass passageways [25], turn nut [28] retreats flexible rod [27], leaf spring [26] back stretch retreats flashboard [24], bypass passageways is opened thereupon or is enlarged, thereby regulates the bypath air amount of infeeding.

Fig. 4 .1, Fig. 4 .2 illustrate: outlet pipe [23] import top, one air inhalation check valve [22] is set, outlet pipe [23] leads to exhaust gas turbine (not drawing among the figure), when starting the cylinder exhaust to be interrupted, exhaust gas turbine has produced blasting action, air sucks from safety check [22], to outlet valve, outlet pipe and exhaust gas turbine cooling, prevents the surge of exhaust gas turbine simultaneously.The exhaust energy that exhaust gas turbine reclaims is exported to power shaft by gear transmission, increases the thermal efficiency of motor.Rotating speed height, delivery temperature height are convenient in above-mentioned measure, and the middle-size and small-size motor that the cylinder number is few realizes that exhaust energy reclaims.

Fig. 3 illustrates: the valve rod of pressurized cylinder pressurized air safety check [3] stretches out the motor bottom plate, and the bar head that stretches out connects an end of rocking bar [17], and rocking bar [17] the other end connects regulation and control flexible rod [29].Pulling flexible rod [29] rises and to make rocking bar [17] affect safety check [3] bar head to retreat, then safety check [3] closed certain clearance, therefore have a certain amount of pressurized air to return pressurized cylinder, pressurized cylinder is reduced in air intake passage, sucks air; Swivel nut makes flexible rod descend at the active force of leaf spring [18], and under the effect of check-valve lever spring, the closure of check ring gap dwindles or closes.Reduce or the returning of closes compression air.Thus, about the adjusting flexible rod [29], the amount of charge air that just can regulate pressurized cylinder.

Motor operation, in the working substance flow system, the working medium flow mechanism is as follows:

When starting cylinder [11] work done, the two-piston DL synchronization, pressurized cylinder piston [5] compression has sucked the air of pressurized cylinder [16]; Suck filtered air (not drawing among the air filter figure) simultaneously and enter engine body from motor capping intake grill [13], flow through and start cylinder [11] top radiating fin, down, stand for a long while then in pressurized cylinder upper space (being above the piston [5]) by motor tabula ventilated port [8] and tooth bar framework hollow part and other spaces; Start cylinder piston [7] to come downwards to and start vicinity on the cylinder cylinder sleeve intake grill, outlet valve [21] is opened, exhaust begins, sucking air back valve [22] closes automatically, the outlet of bypass passageways [25] is opened simultaneously, the pressurized air that pressurized air holds gas passage [9] lining infeeds thereupon, to relief opening and exhaust realize cooling and with the exhaust hybrid stain release; The bypath air amount is regulated and control according to operating mode and delivery temperature by regulating and controlling mechanism in good time.Piston [5] continues air in the compression pressurized cylinder, and when the pressurized cylinder inner air pressure surpasses when holding the gas in-passage pressure and contracting the pressure of air, the safety check of calming the anger [3] is opened, and pressurized air enters pressurized air and holds the gas passage, the storage of temporarily standing for a long while; When descent of piston to piston [7] is opened the cylinder sleeve intake grill [10] that starts cylinder [11], pressurized air enters with eddy current and starts cylinder, to starting the cylinder piston-top surface and constituting the recess part scavenging of firing chamber and realize cooling, and simultaneously to starting cylinder to carry out scavenging and cooling, scavenging finishes, outlet valve [21] is closed, and exhaust finishes; Suck air back valve [22] and under the blasting action of turbine, open, to import department's potential drop temperature of outlet valve [21] and outlet pipe [23].Piston continues to come downwards to lower dead center, starts cylinder cylinder sleeve intake grill [10] standard-sized sheet, this moment the charging volume maximum, compressed air pressure reduces, and realizes cooling to starting cylinder; Meanwhile the pressurized cylinder safety check [3] of calming the anger cuts out.Piston upwards returns row from lower dead center, pressurized cylinder [16] begins to suck air (having entered the air of body), meanwhile, in cold water injection nozzle spray into water smoke to air intake pipe [14], water smoke enters pressurized cylinder with air mixing, absorb air heat and the piston of taking [5] of lowering the temperature on the way and move downward the heat vaporization that pressurized air generates, by spray vaporization absorb heat pressurized air is realized in cold cooling; Start cylinder piston [7] to compress and start cylinder [11] and hold the interior air of gas passage, to starting cylinder sleeve suction port [10] when closing, the pressurized air that starts cylinder [11] and hold gas passage [9] lining separates, pressure when holding air in the gas passage and keeping is separately stood for a long while and is being held in the gas passage, starts the pressurized air in the cylinder to continue compression; Piston walks to top dead center, and start to compress in the cylinder and finish, the burning beginning, pressurized cylinder is air-breathing to be finished, and the pressurized cylinder breather check valve is closed, and piston moves downward from top dead center, lower whorl circulation beginning, circulation like this.

Embodiment 2: as shown in Figure 6: framework [30] upper end connects starts cylinder piston [7] (the side extend part branch vertical with piston that piston [7] end opening is made, be connected on the framework [30] with screw, constitute the horizontal attachment portion, upper end of supercharging framework), crankshaft [31] passes from framework [30] front and back middle opening, crank pin [33] is placed in the framework [30], rotate in framework [30], the horizontal attachment portion, lower end of framework [30] makes pressurized cylinder piston [5]; The structure of pressurized cylinder [16] and cover plate [20] and other each several parts is identical with mode of execution 1 with setting (being technical characteristics), and expression is omitted with explanation herein among the figure.

Claims (6)

1. " a kind of pinion and rack " booster body of piston reciprocating engine of output that is used as power, it is characterized in that: make the supercharging framework with the tooth bar framework, the horizontal attachment portion of supercharging framework upper end, connect and start cylinder piston [7], pressurized cylinder piston [5] is made in horizontal attachment portion, lower end, the diameter of pressurized cylinder piston [5] is greater than the diameter that starts cylinder piston [7], and concrete numerical value determines according to the supercharging designing requirement, two-piston be synchronized with the movement and stroke identical; The teeth groove engagement of being made by pto gear and position, supercharging framework both sides connects, and constitutes the associated movement of power output system and pressurization system; Start cylinder piston [7] when pressure of explosion promotion work done is descending, inhaled air in pressurized cylinder piston [5] compression cylinder, and filtered air sucked from bonnet face intake grill [13], inhaled air is to after starting cylinder top heat radiation, through tabula ventilated port [8] to the pressurized cylinder upper space; Piston returns when up, starts the air in cylinder piston [7] compression the starting cylinder [11], and pressurized cylinder piston [5] air that will suck in the body sucks pressurized cylinder [16] from the air intake pipe [14,15] of pressurized cylinder [16] simultaneously; When pressurized cylinder air intake pipe [14] sucks air, air intake pipe [14] to be carried out water spray make it to enter pressurized cylinder with air mixing, the heat that heat that air is sucked at flow path and air produce by compression the time is carried out cooling.

2. a traditional connecting rod is made the booster body that engine power is exported, it is characterized in that: comprise supercharging framework [30], the horizontal attachment portion of supercharging framework [30] upper end connects starts the cylinder piston, pressurized cylinder piston is made in horizontal attachment portion, lower end, two-piston be synchronized with the movement and stroke identical, the pressurized cylinder piston diameter is greater than starting the cylinder piston diameter, and concrete numerical value is determined according to designing requirement; The crank of connecting rod, crank pin [33] and connecting rod [32] place in the framework [30] that is connected two opposed pistonss, and bent axle [31] passes from framework front and back opening; Start cylinder piston [7] when pressure of explosion promotion work done is descending, inhaled air in pressurized cylinder piston [5] compression cylinder, and filtered air sucked from bonnet face intake grill [13], inhaled air is to after starting cylinder top heat radiation, through tabula ventilated port [8] to the pressurized cylinder upper space; Piston returns when up, starts the air in cylinder piston [7] compression the starting cylinder [11], and pressurized cylinder piston [5] air that will suck in the body sucks pressurized cylinder [16] from the air intake pipe [14,15] of pressurized cylinder [16] simultaneously; When pressurized cylinder air intake pipe [14] sucks air, air intake pipe [14] to be carried out water spray make it to enter pressurized cylinder with air mixing, the heat that heat that air is sucked at flow path and air produce by compression the time is carried out cooling.

3. booster body as claimed in claim 1 or 2, wherein also comprise pressurized cylinder bottom plate [20], pressurized cylinder air intake pipe [14 above the bottom plate [20], 15], breather check valve [2], pressurized air safety check [3], and the gas-entered passageway [1] below the bottom plate [20], pressurized air holds gas passage [4], compressed air channel connecting tube [19], last pressurized air holds gas passage [9], the supercharging air feed system that starts cylinder sleeve intake grill [10] and start cylinder [11] to constitute, it is characterized in that: when piston moves upward from air intake pipe [14,15] air that the water smoke with spraying that enters mixes, the gas-entered passageway [1] below bottom plate [20] enters pressurized cylinder [16] by breather check valve [2]; Descent of piston, breather check valve [2] is closed, cold compression during the air that mixes with water smoke that pressurized cylinder piston [5] sucks pressurized cylinder [16] is realized, when the air pressure in the pressurized cylinder [16] when holding the pressure of air in the gas passage, pressurized air safety check [3] is opened, in the pressurized cylinder residual volume with hold the gas channel connection; The two-piston DL synchronization finishes to starting cylinder to give exhaust, the suction port [10] that start cylinder piston [7] to open to start cylinder sleeve [11] this moment, the compressed air communication volume: hold down gas passage [4], connecting tube [19] and on hold gas passage [9] lining compression and also in cold air, enter with eddy current and to start cylinder [11], piston [7] end face is constituted the recess part scavenging of firing chamber, to starting cylinder [11] scavenging, when scavenging finished, outlet valve [21] was closed relief opening [12] in succession; Piston continues descending, start cylinder to continue inflation, said process simultaneously, cool air is lowered the temperature to starting cylinder [11] and piston [7] in the compression, during to lower dead center, the pressurized cylinder safety check [3] of calming the anger cuts out, and this moment, compressed-air actuated volume started the volume of suction port [10] when not opening of cylinder [11] big relatively, pressure reduces, and this also gets the cooling effect to starting cylinder [11] and piston [7]; Piston returns from lower dead center and moves upward, pressurized cylinder [16] breather check valve [2] is opened, pressurized cylinder [16] is air-breathing, start cylinder piston [7] compression to start the air that charges in the cylinder, piston [7] is up to be separated pressurized air closing when starting the cylinder suction port, and the part storage of standing for a long while is held in the gas passage at pressurized air, another part is risen by piston [7] and continues compression, participates in burning.

4. the booster body described in claim 3, it also comprises pressurized air safety check [3], rocking bar [17], the pressurized air regulating and controlling mechanism that leaf spring [18] and flexible rod [29] constitute, it is characterized in that: rocking bar [17] one ends connect the stem head that stretching out of pressurized air safety check [3] started cylinder bottom cover plate outside, the other end connects the bottom bar head of flexible rod [29], regulating flexible rod [29] rises, drive the joining with it rocking arm of rocking bar [17], the bar head of another rocking arm pulling pressurized air safety check [3] of rocking bar [17] makes closing certain clearance and can not closing or strengthen the gap of having left fully of pressurized air safety check [3]; Regulating flexible rod [29] descends, by the elastic force of leaf spring [18] the fixedly lowering position of flexible rod [29] and the position of rocking bar [17], the spring pressure of pressurized air safety check dwindles the closing gap of compression check valve [3] or closes, pass through said method, regulate the closing gap of pressurized air safety check [3], make a certain amount of pressurized air return pressurized cylinder [16], corresponding thereupon the minimizing from air intake pipe of pressurized cylinder [16] sucks air, thereby reach the purpose of regulation and control amount of charge air, i.e. regulation and control infeed the purpose of the air quantity of starting cylinder.

5. booster body as claimed in claim 4, it is characterized in that: wherein also comprise by the outlet valve that starts cylinder [11] [21], pressurized air holds gas passage [9], pressurized air bypass passageways [25] reaches by bypass passageways flashboard [24], leaf spring [26], sphenocephaly flexible rod [27], pressurized air bypass passageways air feed regulating and controlling mechanism and pressurized air bypass system that nut [28] constitutes, turn nut [28] advances flexible rod [27], flexible rod [27] bar head inclined-plane compressing flashboard [24] moves ahead, dwindle or close by-pass [25] and slurcocks spring [26] simultaneously, turn nut [28] retreats flexible rod [27], the elastic force of leaf spring [26] makes corresponding the retreating of flashboard [24], open or enlarge bypass passageways [25], hold the amount that cool air enters outlet pipe [23] from bypass passageways [25] in the compression of gas passage [19] lining by said method regulation and control pressurized air; The bottom of outlet valve [21], press the bypass passageways outlet, outlet valve [21] is when cylinder relief opening [12] is started in switching, open and close the outlet of bypass passageways [25], then start cylinder when carrying out exhaust, pressurized air holds gas passage [9] to be mixed with waste gas to relief opening [12] position is air-supplied, realizes working medium cooling decontamination is lowered the temperature to the relief opening position simultaneously.

6. booster body as claimed in claim 5, it is characterized in that: its vent systems is by described pressurized air bypass system and bypath air regulating and controlling mechanism and outlet pipe [23], exhaust gas turbine sucks air back valve [22] and constitutes, relief opening [12] is located at and starts cylinder [11] top rear side, flashboard type outlet valve [21] moves up and down when opening and closing relief opening [12], open and close the outlet of pressurized air bypass passageways, starting to infeed an amount of pressurized air between the cylinder exhaust cycle, cooling is realized at relief opening [12] position and exhaust, and have the decontamination effect; Air-breathing safety check [22] is assembled in outlet pipe [23] import top, in outlet pipe [23] exhaust break time, by the exhaust gas turbine blasting action of this moment, suck air from safety check [22], to outlet pipe import and outlet valve [21] cooling, prevent the surge of exhaust gas turbine simultaneously, during the outlet pipe exhaust, safety check [22] cuts out under the effect of the spring that self disposes, and exhaust work is normally carried out; The outlet pipe tail end is communicated with exhaust gas turbine, reclaims the energy in the waste gas, increases the thermal efficiency of motor.

Images