Method of ice diverter valve and fuel injector air drive hydraulic accumulator charging with atmospheric air

FIELD: engines and pumps.

SUBSTANCE: working fluid thrusts against compressor drive piston end face surface at compression stroke. Compressor drive piston starts displacements coupled with compressor piston to displace fluid via check valve into hydraulic accumulator. With compressor piston at suction cycle dead centre when ICE cylinder decreases, piston spring displaces it along with compressor drive piston to initial position of the next charging cycle. Note here that fluid is fed from compensation tank via check valve into compressor piston chamber. Further, charging of pneumatic accumulator can occur at ICE working cycles.

EFFECT: unified ICE drives.

2 dwg

 

The technical FIELD

The invention relates to the field of engineering.

The LEVEL of TECHNOLOGY

Energy is compressed in the cylinder of the internal combustion engine (hereinafter - ice) of the working fluid is air or a fuel mixture on the compression stroke can be directly used to drive a variety of mechanisms, for example, for system timing mechanism of the engine, the patent 2403409, or the drive system fuel injector, patent 2392482 - closest analogues of the claimed invention.

The principle of operation of the drive system air compressor working fluid from the cylinder internal combustion engine is illustrated on the basis of a patent 2403409 "Valve-shutoff pneumatic timing mechanism of an internal combustion engine". It works as follows.

The piston of the internal combustion engine 1 (Figure 1) during the compression stroke compresses the working fluid is air or fuel mixture in the combustion chamber 2. In this part of the working fluid from the combustion chamber 2 through the pipe 3 through the valve is cut off is 4 and the check valve 5 flows into pneumotachometer 6 and charge it. Control system of internal combustion engine (figure not shown) monitors the current position of the piston internal combustion engine 1 and at time when you want to open gas valve 7, sets the valve to control fluid flow 8 in the position as shown in Figo is E. The working body of pneumotachometer 6 channels 9 and 10 enters the upper chamber of the piston valve actuator 11, resulting in a gas distribution valve 7, if it is the intake that allows air from the atmosphere through the channel 12 to flow into the combustion chamber 2 or if it is the exhaust, flow of products of combustion from the combustion chamber 2. To close the gas valve 7, the control system sets the valve to control fluid flow 8 in the lower position, and the working fluid from pneumotachometer 6 channels 9 and 13 enters the lower cavity of the piston of the actuator 11 gas distribution valve 7, and it is closed. In both cases, the spent working fluid through the channels 10, 13, 14, 15 is discharged into the atmosphere, as in a petrol engine where the working fluid is a fuel mixture, for reasons of economy of fuel fed into the intake tract of the engine. When the working stroke (combustion and expansion of the products of combustion pressure in the combustion chamber of the internal combustion engine 2 can reach tens of atmospheres, and the temperature of hundreds of degrees. But to ensure the health of the pneumatic actuator is sufficient pressure of the working fluid at an order of magnitude smaller. The limit pressure of the working fluid in pneumotachometer 6 to the optimal value provides a valve block 4. If the pressure is coming from the combustion chamber 2 a slave is what the body is less than optimal, it passes through the valve cutoff 4 in pneumotachometer 6. When the pressure of the working fluid above the optimal working fluid from pneumotachometer 6 channel 16 enters the lower cavity of the piston valve-cut 17. Under its influence, the piston valve cutoff 17 and connected with it shutoff valve 18 is moved up and channel 19 is closed, charging pneumotachometer 6 stops. The charging level pneumotachometer 6 working fluid is determined by the stiffness of the spring 20. The greater the stiffness of the spring, the up to a higher level of charge of pneumotachometer 6.

The PURPOSE of the INVENTION

From the description of the operating principle is similar, patent 2403409, it is seen that for a gasoline internal combustion engine has a chance to hit the fuel mixture in pneumotachometer and gas mains drive, with subsequent ignition of the activity resulting from this fact consequences. The purpose of the invention is to standardize the system of pneumatic actuator so that it is suited for all types of internal combustion engines.

The INVENTION

The figure 2 presents a diagram of a hydraulic drive system gas valve and fuel injector of an internal combustion engine working fluid from the cylinder of the internal combustion engine. (figure 1 - prototype; figure 2 - the proposed invention; position do not match).

When start the engine piston internal combustion engine 1 on the compression stroke compresses the working body - the air or fuel mixture in the combustion chamber of the internal combustion engine 2 and the compressible working fluid pressure on the left surface of the piston drive unit 3 (hereinafter - piston compressor drive), resulting in it moving to the right (in the figure). Being in the right cavity of the piston of the compressor 4, the working fluid through the check valve 5 flows into the accumulator 6. Charging the hydraulic accumulator 6 is when you first start the internal combustion engine during one cycle of compression of the working fluid in the combustion chamber of the internal combustion engine 2. Further charging of the hydraulic accumulator 6 can be performed in the operating cycle of the engine. When the pressure of the working fluid in the hydraulic accumulator 6 reaches the value that provides the optimal functioning of the timing valve 7, the working fluid from the hydraulic accumulator 6 enters the lower cavity of the piston stopper 8 and the pipe 9. The piston stopper 8 and connected with him stopper 10 occupy the top position. The stopper 10 is in the groove of the piston of the compressor 4, blocks the movement of the piston of the compressor 4, and the flow of the working fluid in pneumotachometer 6 stops. To open the gas valve 7, the control system monitors the current position of the piston internal combustion engine 1 and at time when you want to open gas valve 7, sets the valve to control the flow of fluid 11 in the position as shown in Fi the ur. Fluid from the hydraulic accumulator 6 through the channels 12 and 13 is fed into the upper cavity of the piston of the timing valve 14 connected to the rod 15 with the gas distribution valve 7. Under the action of fluid distribution valve 7, if it is the intake that allows air from the atmosphere through the channel 16 to flow into the combustion chamber 2 or if it is the exhaust, flow of products of combustion from the combustion chamber 2 into the atmosphere. Spent working fluid from the lower cavity of the piston of the timing valve 14 through the channels 17 and 18 enters the expansion tank 19.

To close the gas valve 7 control system at the time when you want to close the gas valve 7, sets the valve to control the flow of fluid 11 in the upper position, as shown in the figure. Fluid from the hydraulic accumulator 6 through the channels 12 and 17 enters the lower cavity of the piston of the timing valve 14 and the gas distribution valve 7 is closed. Spent working fluid from the upper cavity of the piston of the timing valve 14 through the channels 13 and 21 enters the expansion tank 19.

The expansion tank 19 in addition to receiving fluid upon actuation of the timing valve 7 performs the function of the temperature of the damper. As a result, the ATA heating fluid temperature in the hydraulic accumulator 6 will exceed the optimal pressure, opens the relief valve 20 and the fluid from the hydraulic accumulator 6 is discharged into the expansion tank 19. When lowering the pressure of the working fluid in the hydraulic accumulator 6 below values that ensure optimal operation of the timing valve 7, the spring stopper 21 translates the piston stopper 8 and the stopper 10 in the lower position. At a subsequent cycles of intake air into the combustion chamber 2, the spring 22 moves the piston of the drive unit 3 and the piston of the compressor 4 in the original, left, for charging pneumotachometer 6 position. When this fluid from the expansion tank 19 through the check valve 23 is fed in the right cavity of the piston of the compressor 4. The compressor is ready for the next cycle of charging of the hydraulic accumulator 6. Cycle charging of the hydraulic accumulator 6 can occur both in the compression stroke of the air in the combustion chamber of the internal combustion engine 2, and when the working stroke internal - combustion and expansion of the combustion products in the cylinder.

Problems prevent removal of fluid by the piston rod 15, the piston driving the compressor 3, the piston of the compressor 4 can be solved in different ways. The diagram shows the bellows 24 and 25, preventing the leakage of fluid from the hydraulic system.

Thus, the claimed method of charging the hydraulic accumulator fluid ensures functionality of the hydraulic system is about the timing valve and the fuel injector and all types of internal combustion engines.

DISCLOSURE of INVENTIONS

The method of charging the working fluid of the hydraulic accumulator of a hydraulic drive system gas valve and fuel injector of the internal combustion engine, which comprises a cylinder and piston of an internal combustion engine, the gas distribution valve of the internal combustion engine and/or fuel injector, pneumotachometer, the spool of the flow distribution of the working fluid, the piston of the compressor drive connected to a piston compressor, piston spring compressor, check valve and expansion tank, characterized in that at the start of the internal combustion engine on the compression stroke of the air or fuel mixture in the cylinder of an internal combustion engine, the air or fuel mixture is pressed on the end surface of the piston drive compressor, piston drive compressor starts to move and connected with the piston of the compressor drive piston of the compressor through the outlet check valve displaces the working fluid in the hydraulic accumulator, then after the piston of the compressor will arrive at the extreme point of the movement and after the working stroke and stroke exhaust products of combustion from the cylinder of the internal combustion engine on the suction stroke of the air or fuel mixture of the internal combustion engine when the pressure of the air or fuel is th mixture in the cylinder of the internal combustion engine will be reduced so that that the force of the spring piston compressor will be sufficient to move the piston of the compressor to its original position, the piston spring compressor moves the piston of the compressor piston compressor drive in the source for the next cycle of charging pneumotachometer position, the working fluid from the expansion tank through the inlet check valve enters the cavity of the piston of the compressor, further charging of the hydraulic accumulator may occur in the working cycles of the internal combustion engine.

The TECHNICAL APPLICABILITY of the INVENTION

The materials and technologies used to implement the claimed invention is not beyond the modern possibilities. At the modern level of development of electronics, the creation of a system of motor control for no more than a routine task, which is a separate task of designing the engine.

GRAPHIC MATERIAL

Figure 1. Diagram of the pneumatic timing mechanism and a fuel injector of an internal combustion engine with valve cutoff.

1 - piston internal combustion engine; 2 - combustion chamber; 3, 9, 10, 12, 13, 14, 15, 16, 19 - pipelines and channels; 4 - valve cut-off; 5-return valve; 6 - pneumotachometer; 7 - gas valve; 8 - valve control fluid flow; 11 - piston actuator gazoraspredelitel the CSOs valve; 17 is a piston valve actuator-cut; 18 shut - off valve; 20 - spring.

Figure 2. The drive scheme of the compressor charging of the hydraulic accumulator system pneumatic actuator gas valve and fuel injector of an internal combustion engine working fluid from the cylinder of the internal combustion engine.

1 - piston internal combustion engine; 2 - combustion chamber; 3 - piston compressor drive; 4 - piston compressor; 5, 23 - return valve; 6 - hydraulic accumulator; 7 - gas valve; 8 - piston stopper; 9, 12, 13, 16, 17, 18 - pipelines and channels; 10 - stopper; 11 - valve control fluid flow; 14 - piston actuator gas valve; 15 - rod; 19 - expansion tank; 20 - relief valve; 21 - spring stopper; 22 - spring piston compressor; 24, 25 bellows.

The method of charging the working fluid of the hydraulic accumulator of a hydraulic drive system gas valve and fuel injector of the internal combustion engine, which comprises a cylinder and piston of an internal combustion engine, the gas distribution valve of the internal combustion engine and/or fuel injector, pneumotachometer, the spool of the flow distribution of the working fluid, the piston of the compressor drive connected to a piston compressor, piston spring compressor, valves and compensation b is chalk, characterized in that at the start of the internal combustion engine on the compression stroke of the air or fuel mixture in the cylinder of an internal combustion engine, the air or fuel mixture is pressed on the end surface of the piston drive compressor, piston compressor drive starts to move and connected with the piston of the compressor drive piston of the compressor through the outlet check valve displaces the working fluid in the hydraulic accumulator, then after the piston of the compressor will arrive at the extreme point of the movement and after the working stroke and stroke exhaust products of combustion from the cylinder of the internal combustion engine on the suction stroke of the air or fuel mixture of the internal combustion engine when the pressure of the air or fuel mixture in the cylinder of the internal combustion engine will be reduced so that the force of the spring piston compressor will be sufficient to move the piston of the compressor to its original position, the piston spring compressor moves the piston of the compressor piston compressor drive in the source for the next cycle of charging pneumotachometer position, the working fluid from the expansion tank through the inlet check valve enters the cavity of the piston of the compressor, further charging of the hydraulic accumulator can happen at work cycles on the " internal combustion.



 

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