CN1991155A - Hot-air engine device and its manufacturing method - Google Patents
Hot-air engine device and its manufacturing method Download PDFInfo
- Publication number
- CN1991155A CN1991155A CN 200510131183 CN200510131183A CN1991155A CN 1991155 A CN1991155 A CN 1991155A CN 200510131183 CN200510131183 CN 200510131183 CN 200510131183 A CN200510131183 A CN 200510131183A CN 1991155 A CN1991155 A CN 1991155A
- Authority
- CN
- China
- Prior art keywords
- working medium
- expansion
- pressure
- refrigeration working
- cylinder
- 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
- Engine Equipment That Uses Special Cycles (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to an engine, especially provides a closed cycle piston hot-gas engine device with external heat and the manufacturing method. The hot-gas engine device system adopts a new thermal cycle mode and produces an engine different from prior hot-gas engine. The hot-gas engine device comprises cylinder, admission and exhaust reversing device, expansion pressure reducing device, compressor and heater. Four processes of the thermal cycle are constant pressure and heating process, expansion and pressure reducing process, adiabatic compression process and constant pressure and expansion process. Exogenous heat energy of the hot-gas engine device can apply the heat energy of high and low grades. Aiming to the heat energy of low grade, the heat energy of earth aerosphere existed in element and water resource in river, lake, and sea can be applied and there is no need to heat by burning. Aiming to the heat energy of high grade, it can be used fully. The hot-gas engine device, as an engine is the same as prior engine. It can be used as the power resource of generator and driven device.
Description
The present invention relates to a kind of motor, particularly a kind of external heating type closed cycle piston type hot-air engine device and manufacture method thereof.
It is a kind of external-burning type closed cycle reciprocating engine that existing heat engine is Stirling engine again, and Stirling engine is by expansion chamber, heater, and regenerator, cooler and compression chamber are formed, and according to the above-listed order composition circulation loop that is serially connected.The thermal procession of Stirling engine is followed the Stirling circulation and is carried out, it is made up of four processes under the perfect condition: the isothermal compression process, this process is to finish in the compression chamber of being made up of cylinder and piston, in order under minimum circulating temperature, to carry out isothermal compression, the heat of compression must be derived from internal system gradually by cylinder wall, be directed at the external world by cooler, must do work to system in whole process in the external world simultaneously; Deng appearance heating process, drive next working medium out of from compression chamber, entering before the expansion chamber, must flow through regenerator and obtain the heating of regenerator, heat is passed to working medium from regenerator, make working medium flow into expansion chamber after minimum circulating temperature rises to the highest circulating temperature, because system's total measurement (volume) is constant, this heating process is held heating process for waiting; Isothermal expansion process, this process are to finish in the expansion chamber of being made up of cylinder and piston, and in order to realize isothermal expansion, external source must be by cylinder wall to the working substance supply heat of isothermal expansion, and simultaneity factor is done the isothermal expansion merit to the external world; Deng the appearance cooling procedure, the working medium of coming out from expansion chamber, entering before the compression chamber, the regenerator of flowing through, regenerator siphons away heat energy from working medium, make the working medium temperature flow into compression chamber after the highest circulating temperature drops to minimum circulating temperature, because working medium is the cooling that obtains under system's maximum volume, this cooling procedure is held cooling for waiting.In four processes of above Stirling circuit, pass to the heat energy of regenerator will all pass working medium back in waiting appearance heating process Deng holding working medium in the cooling procedure, working medium is the heat of isothermal expansion in the isothermal expansion process and the heat of compression in the isothermal compression process with the heat exchange in the external world in circulation.Stirling engine system, when the isothermal expansion merit was done in the external world, external source heat energy was by the working medium heating of cylinder wall in expansion chamber, and when the piston in the expansion chamber expanded acting, piston pressure was from big to small; During isothermal compression, the working medium in the compression chamber is through regenerator cooling processing, and the heat of compression by external world's acting forms is directed at the external world by cooler.
The object of the present invention is to provide a kind of implementing apparatus of new external heating type closed cycle piston type hot-air engine device and implement the making method of this device, this hot-air engine device system adopts a kind of new endless form, makes a kind of motor that is different from existing hot-air engine device.
Task of the present invention is finished as follows: a kind of hot-air engine device is by heater, cylinder, piston, the cylinder piston both sides are expansion chamber or back pressure cavity each other, piston rod, pipeline, cylinder intake and exhaust reversing arrangement, the expansion decompressor, compressor constitutes, and above-listed each part is serially connected forms the closed circulation loop, be placed with refrigeration working medium in the hot-air engine device system, heater is heated by external source heat energy, the working procedure of hot-air engine device, external source heat energy heats refrigeration working medium by heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, the pressure of the refrigeration working medium in the cylinder back pressure cavity is identical with refrigeration working medium pressure in the heater, cylinder intake and exhaust reversing arrangement makes the exhaust of cylinder back pressure cavity and communicates with the expansion decompressor by pipeline, the refrigeration working medium that the expansion decompressor makes the cylinder back pressure cavity have certain pressure expands and spreads or constant entropy expansion, cause the pressure of cylinder back pressure cavity to reduce, the cylinder expansion chamber directly communicates with heater by cylinder intake and exhaust reversing arrangement and pipeline simultaneously, because the cylinder Pressure in Back-pressure Cavity reduces, refrigeration working medium in the cylinder expansion chamber expands, promoting piston moves to a side, piston rod is outwards made mechanical work, the inlet end of compressor communicates with the expansion decompressor that is full of the low pressure refrigeration working medium, the exhaust end of compressor communicates with heater, in running order compressor, constantly the refrigeration working medium with the expansion decompressor is compressed in the heater, cause pressure in the expansion decompressor to reduce or until vacuum, satisfy the expansion decompressor and be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in whole circulation system, cylinder intake and exhaust reversing arrangement makes the cylinder expansion chamber be exchanged into back pressure cavity, back pressure cavity is exchanged into expansion chamber, refrigeration working medium in the cylinder expansion chamber expands, promote piston and move to the opposing party, piston rod is outwards made mechanical work.Described hot-air engine device, the means for engaging of heat engine and compressed fluid can be exported the compression energy of compressed fluid to the external world.The expansion decompressor of described hot-air engine device can be: increase-volume device, cryogenic expansion machine decompressor, throttling expansion decompressor.The refrigeration working medium of described hot-air engine device can be: synthetic refrigeration agent, natural refrigerant.
A kind of method of making hot-air engine device, the formation of the circulatory system of hot-air engine device, cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, cylinder intake and exhaust reversing arrangement, the expansion decompressor, compressor, heater, and according to the above-listed order composition circulation loop that is serially connected, working medium in the circulation loop is a refrigeration working medium, heater is heated by external source heat energy, the thermodynamic cycle process of hot-air engine device is made up of following four processes under the perfect condition, constant-pressure heating process, this process is carried out in heater, external source heat energy heats by the refrigeration working medium that heater is opposite in the heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, heater communicates with the cylinder expansion chamber of externally work done, heater not only will add and be used for the required heat of refrigeration working medium temperature rising, also must add the corresponding heat of outside work done, during constant being heated of pressure in the heater, the temperature of refrigeration working medium raises and expands, externally the process of work done is the constant-pressure heating process of hot-air engine device, the expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the expansion decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the expansion decompressor, the expansion decompressor makes the refrigeration working medium of certain pressure expand diffusion or constant entropy expansion in the back pressure cavity, the pressure of refrigeration working medium reduces, the adiabatic compression process, this process is at the expansion decompressor, carry out in compressor and the heater, the suction port of compressor communicates with the expansion decompressor of low-pressure state, the relief opening of compressor communicates with the heater that certain process stage is arranged, do not absorb heat and heat release in the compressor compresses process from the outside, the merit that compression is done becomes the heat of compression, pass to refrigeration working medium, the refrigeration working medium temperature is raise, the heat of compression that enters heater can be used as the part of the circulatory system absorption heat energy of hot-air engine device, in running order compressor constantly is compressed to the refrigeration working medium of expansion decompressor mesolow power in the heater with certain process stage, make the refrigeration working medium in the expansion decompressor be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in the circulatory system of whole hot-air engine device, the level pressure inflation process, this process is carried out in cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, expansion chamber communicates with the heater that certain process stage is arranged, back pressure cavity communicates with the expansion decompressor of low pressure or vacuum state, piston in the cylinder from expansion chamber with certain process stage when the back pressure cavity of low-pressure state moves work done, pressure in the expansion chamber all the time with heater in pressure be consistent, the refrigeration working medium of heater in expansion chamber supplied with the level pressure heat of swelling, and system makes the level pressure expansion work to the external world.In four cyclic processes of hot-air engine device, the circulatory system of hot-air engine device is in the level pressure inflation process with the process of the heat exchange in the external world, external source heat energy provides the level pressure heat of swelling to system, system makes the level pressure expansion work to the external world, the merit of autophage is in the adiabatic compression process in the circulatory system of hot-air engine device, compressor is compressed to the compression work that high-pressure state consumes with the refrigeration working medium of low-pressure state, the circulatory system of hot-air engine device useful horsepower to external world is that the work done power of piston in cylinder is removed resulting power behind the power of compressor, the circulatory system of hot-air engine device is selected different refrigeration working mediums, can obtain different useful horsepower to external world.According to a kind of method of making hot-air engine device, described expansion decompression process can be: expansion increase-volume decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the increase-volume device, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the increase-volume device that is in low pressure or vacuum state, have the refrigeration working medium expansion of certain pressure to be diffused into the increase-volume device in the back pressure cavity, the volume of refrigeration working medium increases, and pressure reduces.According to a kind of method of making hot-air engine device, described expansion decompression process can be: the constant entropy expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the cryogenic expansion machine decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the cryogenic expansion machine decompressor, cryogenic expansion machine in the cryogenic expansion machine decompressor changes the potential energy that the refrigeration working medium of certain pressure is arranged in the back pressure cavity into mechanical work to be exported by cryogenic expansion machine, and making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce.According to a kind of method of making hot-air engine device, described expansion decompression process can be: isenthalpic throttling expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the throttling expansion decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the throttling expansion decompressor, throttle expansion valve in the throttling expansion decompressor will have the refrigeration working medium of certain pressure to carry out the throttling step-down in the back pressure cavity, making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce, and enthalpy remains unchanged before and after the refrigeration working medium throttling step-down.
The characteristics of hot-air engine device, the external source heat energy of hot-air engine device system can adopt height, low-grade heat energy, can adopt the thermal source that extensively exists in the physical environment to low-grade heat energy, the heating of need not burning can absorb fully to high-grade heat energy, heat engine is as a kind of motor, the same with available engine, can be used as the power source of generating, also can be used as the power source of drive unit.
Below with reference to accompanying drawing the present invention is described in further detail.
Fig. 1 is the diagram of an embodiment during the present invention conceives substantially.
Fig. 2 is a kind of implementing apparatus of the present invention.
Fig. 3 is a kind of implementing apparatus of the present invention.
Fig. 4 is the implementing apparatus that a kind of mechanical energy with hot-air engine device of the present invention is transformed into the hydraulic pressure energy.
With reference to Fig. 1, it is positive displacement heater 21 that the structure of this hot-air engine device is formed, piston 12, piston rod 14 and cylinder 13, pipeline 17, refrigeration cycle sliding type four-way valve 18, increase-volume jar 19, coolant compressor 20, limit switch 15 and limit switch 16, and above-listed each part is serially connected forms the closed circulation loop.Hot-air engine device, be placed with the halogenated hydrocarbon cryogenic refrigeration working medium that refrigeration industry uses in the system, this refrigeration working medium is saturated gas after 21 li of positive displacement heaters are heated, positive displacement heater 21 is placed in the earth atmosphere physical environment, the external source heating-up temperature of positive displacement heater 21 is an earth atmosphere physical environment temperature, the hot area of positive displacement heater 21 is enough big, do not consider the frictional loss of refrigeration working medium and parts, system does not have leakage, refrigeration compressor 20, refrigeration cycle sliding type four-way valve 18, limit switch 15 and limit switch 16, ABAP Adapter circuit controls.The working procedure of hot-air engine device: place the refrigeration working medium in the positive displacement heater 21, because of having the performance of low-temperature evaporation, when positive displacement heater 21 is in the earth atmosphere physical environment, heat energy under the physical environment temperature of earth atmosphere heats by 21 pairs of refrigeration working mediums of positive displacement heater, refrigeration working medium is evaporated, and reaches the evaporating pressure of certain saturated gas; When cylinder 13 directly communicates with positive displacement heater 21 with sliding type four-way valve 18 by pipeline 17 and refrigeration cycle, the left stop of piston 12 convergence cylinders 13, the pressure of refrigeration working medium is identical with the pressure of refrigeration working medium in the positive displacement heater 21 in the right chamber of cylinder 13, piston 12 arrives the left stop of cylinder 13, the right-hand member of piston rod 14 touches limit switch 15, limit switch 15 commutates with four-way valve 18 by power loop control refrigeration cycle, after the commutation, the right chamber of cylinder 13 is by pipeline 17, refrigeration cycle directly communicates with increase-volume jar 19 with sliding type four-way valve 18, the refrigeration working medium expansion that cylinder 13 right chambeies have certain pressure is diffused in the increase-volume jar 19 of low pressure, cause the pressure in cylinder 13 right chambeies to reduce, make the right chamber of cylinder 13 become back pressure cavity; The left chamber of cylinder 13 is by pipeline 17, refrigeration cycle directly communicates with positive displacement heater 21 with sliding type four-way valve 18, because the right cavity pressure of cylinder 13 reduces, cylinder 13 left chambeies become expansion chamber, refrigeration working medium in the expansion chamber expands, promote piston 12 and move right, piston rod 14 is outwards done mechanical work; The inlet end of coolant compressor 20 communicates with the increase-volume jar 19 that is full of the low pressure refrigeration working medium, the exhaust end of coolant compressor 20 communicates with positive displacement heater 21, in running order coolant compressor 20, constantly the refrigeration working medium with increase-volume jar 19 is compressed in the positive displacement heater 21, cause pressure in the increase-volume jar to reduce or until vacuum, satisfy increase-volume jar 19 and be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in whole circulation system; When piston 12 moves right right stop, the right-hand member of piston rod 14 touches limit switch 16, limit switch 16 commutates with four-way valve 18 by power loop control refrigeration cycle, after the commutation, cylinder 13 left chambeies become back pressure cavity, and the pressure of back pressure cavity reduces, the right chamber of cylinder 13 becomes expansion chamber, refrigeration working medium in the expansion chamber expands, and promotes piston 12 and is moved to the left, and piston rod 14 is outwards done mechanical work.The formation of the circulatory system of hot-air engine device, cylinder, the piston both sides in the cylinder are expansion chamber or back pressure cavity each other, cylinder intake and exhaust reversing arrangement, increase-volume device, compressor, heater, and according to the above-listed order composition circulation loop that is serially connected, the working medium in the circulation loop is a refrigeration working medium.The thermodynamic cycle process of hot-air engine device is made up of following four processes under the perfect condition: constant-pressure heating process, this process is carried out in heater, external source heat energy heats by the refrigeration working medium that heater is opposite in the heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, heater communicates with the cylinder expansion chamber of externally work done, heater not only will add and be used for the required heat of refrigeration working medium temperature rising, also must add the corresponding heat of outside work done, during constant being heated of pressure in the heater, the temperature of refrigeration working medium raises and expands, and externally the process of work done is the constant-pressure heating process of hot-air engine device; Expansion increase-volume decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the increase-volume device, the temperature of refrigeration working medium in the back pressure cavity, pressure is with the temperature of refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the increase-volume device that is in low pressure or vacuum state, has the refrigeration working medium expansion of certain pressure to be diffused into the increase-volume device in the back pressure cavity, according to the equation of state of perfect gas
P
1V
1/T
1＝P
2V
2/T
2
P in the formula
1Pressure before the back pressure cavity refrigeration working medium expands and spreads
V
1The volume of cylinder
T
1The back pressure cavity refrigeration working medium expands and spreads preceding temperature
P
2Refrigeration working medium expands and spreads the pressure of back in the increase-volume device
V
2Volume of cylinder and increase-volume device volume and
T
2Refrigeration working medium expands and spreads the temperature of back in the increase-volume device
Certain pressure P is arranged in the back pressure cavity
1Refrigeration working medium expand after the diffusion, the volume of refrigeration working medium is from V
1Increase to V
2, pressure is reduced to pressure P
2The adiabatic compression process, this process is at the increase-volume device, carry out in compressor and the heater, the suction port of compressor communicates with the increase-volume device of low-pressure state, the relief opening of compressor communicates with the heater that certain process stage is arranged, do not absorb heat and heat release in the compressor compresses process from the outside, the merit that compressor is done becomes the heat of compression, pass to refrigeration working medium, the refrigeration working medium temperature is raise, the heat of compression that enters heater can be used as the part of the circulatory system absorption heat energy of hot-air engine device, and in running order compressor is constantly with increase-volume device mesolow power P
2Refrigeration working medium be compressed to and have certain pressure P
1In the heater of state, make that the refrigeration working medium in the increase-volume device is in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in the circulatory system of whole hot-air engine device; The level pressure inflation process, this process is carried out in cylinder, and the piston both sides in the cylinder are expansion chamber or back pressure cavity each other, and expansion chamber communicates with the heater that certain process stage is arranged, back pressure cavity communicates with the increase-volume device of low pressure or vacuum state, and the piston in the cylinder is from having certain pressure P
1The expansion chamber of state is to low-pressure P
2When the back pressure cavity of state moves work done, the pressure in the expansion chamber all the time with heater in pressure be consistent, the refrigeration working medium of heater in expansion chamber supplied with the level pressure heat of swelling, system makes the level pressure expansion work to the external world.In four cyclic processes of hot-air engine device, the circulatory system of hot-air engine device is the level pressure inflation process with the heat exchange in the external world, and external source heat energy provides the level pressure heat of swelling to system, and system makes the level pressure expansion work to the external world, the work done power of piston in cylinder
N
1＝(P1-P
2)SL/t
P in the formula
1The back pressure cavity refrigeration working medium expands and spreads preceding pressure
P
2Refrigeration working medium expands and spreads the pressure of back in the increase-volume device
The area of S piston
The stroke of L piston
The t piston is in the time of whole stroke work done
The merit of autophage is in the adiabatic compression process in the circulatory system of hot-air engine device, and compressor is with low-pressure P
2The refrigeration working medium of state is compressed to high pressure P
1The compression work that state consumed, the compression horsepower of compressor
N
2＝U(i
1-i
2)V/v
1
The circulating load of V refrigeration working medium
v
1Refrigeration working medium is in pressure P
1Specific volume during state
The efficient of U compressor
i
1Refrigeration working medium is in the exhaust outlet of compressor temperature T
1, pressure P
1Enthalpy during state
i
2Refrigeration working medium is in the compressor inlet temperature T
2, pressure P
2Enthalpy during state
The circulating load of refrigeration working medium equals the volume of cylinder and the ratio of piston power done time
V＝SL/t
Compression horsepower N by compressor
2Formula show that different refrigeration working mediums are in pressure P
1, P
2The time enthalpy different with specific volume, different refrigeration working mediums is in the circulatory system of same hot-air engine device, when making the circulatory system of hot-air engine device obtain identical level pressure expansion work, the compression work of the different compressors that refrigeration working medium consumed is also different, effective merit that the circulatory system of hot-air engine device is done to external world is that the level pressure expansion work is removed resulting merit after the compression work of compressor, heat engine useful horsepower to external world
N＝N
1-N
2
The circulatory system of hot-air engine device useful horsepower to external world is that the work done power of piston in cylinder is removed resulting power behind the power of compressor, the circulatory system of hot-air engine device is selected different refrigeration working mediums, can obtain different useful horsepower to external world.
With reference to Fig. 2, it is heater 31 that the structure of this hot-air engine device is formed, piston 22, piston rod 24 and cylinder 23, pipeline 27, refrigeration cycle sliding type four-way valve 28, Piston Expander 29 and the expansion decompressor that divides gas tank 32 to constitute, coolant compressor 30, limit switch 25 and limit switch 26, and above-listed each part is serially connected forms the closed circulation loop.Hot-air engine device, be placed with the synthetic cryogenic refrigeration working medium that refrigeration industry uses in the system, heater 31 is heated by the heat energy of the mobile river of the earth, the hot area of heater 31 is enough big, does not consider the frictional loss of refrigeration working medium and parts, and system does not have leakage, coolant compressor 30, refrigeration cycle sliding type four-way valve 28, limit switch 25 and limit switch 26, ABAP Adapter circuit controls.The working procedure of hot-air engine device: place the refrigeration working medium in the heater 31, because of having the performance of low-temperature evaporation, the heat energy of the river that flows heats by 31 pairs of refrigeration working mediums of heater, and refrigeration working medium is evaporated, and reaches certain evaporating pressure; When cylinder 23 directly communicates with heater 31 with sliding type four-way valve 28 by pipeline 27 and refrigeration cycle, the left stop of piston 22 convergence cylinders 23, the pressure of refrigeration working medium is identical with the pressure of refrigeration working medium in the heater 31 in the right chamber of cylinder 23, piston 22 arrives the left stop of cylinder 23, the right-hand member of piston rod 24 touches limit switch 25, limit switch 25 commutates with four-way valve 28 by power loop control refrigeration cycle, after the commutation, the right chamber of cylinder 23 is by pipeline 27, refrigeration cycle communicates with sliding type four-way valve 28 Piston Expanders 29 direct and in the expansion decompressor, the potential energy that Piston Expander 29 has a refrigeration working medium of certain pressure with cylinder 23 right chambeies changes mechanical work into to be exported by Piston Expander, make the pressure in cylinder 23 right chambeies reduce, and refrigeration working medium is transported to 32 li of branch gas tanks in the expansion decompressor of low pressure, make the right chamber of cylinder 23 become back pressure cavity; The left chamber of cylinder 23 is by pipeline 27, and refrigeration cycle directly communicates with heater 31 with sliding type four-way valve 28, because the right cavity pressure of cylinder 23 reduces, cylinder 23 left chambeies become expansion chamber, refrigeration working medium in the expansion chamber expands, and promotes piston 22 and moves right, and piston rod 24 is outwards done mechanical work; The inlet end of coolant compressor 30 Piston Expander 29 and branch gas tank 32 direct and in the expansion decompressor that is full of the low pressure refrigeration working medium communicate, the exhaust end of coolant compressor 30 directly communicates with heater 31, in running order coolant compressor 30, constantly will divide the refrigeration working medium of gas tank 32 to be compressed in the heater 31, cause the pressure of 32 li of branch gas tanks to reduce or until vacuum, satisfy and divide gas tank 32 to be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in whole circulation system; When piston 22 moves right right stop, the right-hand member of piston rod 24 touches limit switch 26, limit switch 26 commutates with four-way valve 28 by power loop control refrigeration cycle, after the commutation, cylinder 23 left chambeies become back pressure cavity, and the pressure of back pressure cavity reduces, the right chamber of cylinder 23 becomes expansion chamber, refrigeration working medium in the expansion chamber expands, and promotes piston 22 and is moved to the left, and piston rod 24 is outwards done mechanical work.The formation of the circulatory system of hot-air engine device, cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, cylinder intake and exhaust reversing arrangement, cryogenic expansion machine decompressor, compressor, heater, and according to the above-listed order composition circulation loop that is serially connected, the working medium in the circulation loop is a refrigeration working medium, and heater is heated by external source heat energy.The thermodynamic cycle process of hot-air engine device is made up of following four processes under the perfect condition: constant-pressure heating process, this process is carried out in heater, external source heat energy heats by the refrigeration working medium that heater is opposite in the heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, heater communicates with the cylinder expansion chamber of externally work done, heater not only will add and be used for the required heat of refrigeration working medium temperature rising, also must add the corresponding heat of outside work done, during constant being heated of pressure in the heater, the temperature of refrigeration working medium raises and expands, and externally the process of work done is the constant-pressure heating process of hot-air engine device; The constant entropy expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the cryogenic expansion machine decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the cryogenic expansion machine decompressor, cryogenic expansion machine in the cryogenic expansion machine decompressor changes the potential energy that the refrigeration working medium of certain pressure is arranged in the back pressure cavity into mechanical work to be exported by cryogenic expansion machine, and making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce; The adiabatic compression process, this process is at the cryogenic expansion machine decompressor, carry out in compressor and the heater, the suction port of compressor communicates with the cryogenic expansion machine decompressor, the relief opening of compressor communicates with the heater that certain process stage is arranged, do not absorb heat and heat release in the compressor compresses process from the outside, the merit that compressor is done becomes the heat of compression, pass to refrigeration working medium, the refrigeration working medium temperature is raise, the heat of compression that enters heater can be used as the part of the circulatory system absorption heat energy of hot-air engine device, in running order compressor constantly is compressed to the refrigeration working medium of cryogenic expansion machine decompressor mesolow power in the heater with certain process stage, make the refrigeration working medium in cryogenic expansion machine decompressor one end be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in the circulatory system of whole hot-air engine device; The level pressure inflation process, this process is carried out in cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, expansion chamber communicates with the heater that certain process stage is arranged, back pressure cavity communicates with the cryogenic expansion machine decompressor of low-pressure state, piston in the cylinder from expansion chamber with certain process stage when the back pressure cavity of low-pressure state moves work done, pressure in the expansion chamber all the time with heater in pressure be consistent, the refrigeration working medium of heater in expansion chamber supplied with the level pressure heat of swelling, and system makes the level pressure expansion work to the external world.Hot-air engine device useful horsepower to external world is the same.
With reference to Fig. 3, it is heater 41 that the structure of this hot-air engine device is formed, piston 42, piston rod 34 and cylinder 33, pipeline 37, refrigeration cycle sliding type four-way valve 38, throttle expansion valve 39 and the throttling expansion decompressor that divides gas tank 43 to constitute, coolant compressor 40, limit switch 35 and limit switch 36, and above-listed each part is serially connected forms the closed circulation loop.Hot-air engine device, be placed with the natural refrigeration working medium that refrigeration industry uses in the system, heater 41 is heated by external combustion heat energy, the hot area of heater 41 is enough big, does not consider the frictional loss of refrigeration working medium and parts, and system does not have leakage, refrigeration compressor 40, refrigeration cycle sliding type four-way valve 38, limit switch 35 and limit switch 36, ABAP Adapter circuit controls.The working procedure of hot-air engine device: place the refrigeration working medium in the heater 41, because of having the performance of low-temperature evaporation, external combustion heat energy heats by 41 pairs of refrigeration working mediums of heater, and refrigeration working medium is evaporated, and reaches certain evaporating pressure; When cylinder 33 directly communicates with heater 41 with sliding type four-way valve 38 by pipeline 37 and refrigeration cycle, the left stop of piston 42 convergence cylinders 33, the pressure of refrigeration working medium is identical with the pressure of refrigeration working medium in the heater 41 in the right chamber of cylinder 33, piston 42 arrives the left stop of cylinder 33, the right-hand member of piston rod 34 touches limit switch 35, limit switch 35 commutates with four-way valve 38 by power loop control refrigeration cycle, after the commutation, the right chamber of cylinder 33 is by pipeline 37, refrigeration cycle communicates with sliding type four-way valve 38 throttle expansion valves 39 direct and in the throttling expansion decompressor, throttle expansion valve 39 carries out the throttling step-down with the refrigeration working medium that cylinder 33 right chambeies have certain pressure, make the pressure in cylinder 33 right chambeies reduce, and refrigeration working medium is transported to 43 li of branch gas tanks in the throttling expansion decompressor of low pressure, make the right chamber of cylinder 33 become back pressure cavity; The left chamber of cylinder 33 is by pipeline 37, and refrigeration cycle directly communicates with heater 41 with sliding type four-way valve 38, because the right cavity pressure of cylinder 33 reduces, cylinder 33 left chambeies become expansion chamber, refrigeration working medium in the expansion chamber expands, and promotes piston 42 and moves right, and piston rod 34 is outwards done mechanical work; The inlet end of coolant compressor 40 throttle expansion valve 39 and branch gas tank 43 direct and in the throttling expansion decompressor that is full of the low pressure refrigeration working medium communicate, the exhaust end of coolant compressor 40 directly communicates with heater 41, in running order coolant compressor 40, constantly will divide the refrigeration working medium of gas tank 43 to be compressed in the heater 41, cause the pressure of 43 li of branch gas tanks to reduce or until vacuum, satisfy and divide gas tank 43 to be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in whole circulation system; When piston 42 moves right right stop, the right-hand member of piston rod 34 touches limit switch 36, limit switch 36 commutates with four-way valve 38 by power loop control refrigeration cycle, after the commutation, cylinder 33 left chambeies become back pressure cavity, and the pressure of back pressure cavity reduces, the right chamber of cylinder 33 becomes expansion chamber, refrigeration working medium in the expansion chamber expands, and promotes piston 42 and is moved to the left, and piston rod 34 is outwards done mechanical work.The formation of the circulatory system of hot-air engine device, cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, cylinder intake and exhaust reversing arrangement, throttling expansion decompressor, compressor, heater, and according to the above-listed order composition circulation loop that is serially connected, the working medium in the circulation loop is a refrigeration working medium, and heater is heated by external source heat energy.The thermodynamic cycle process of hot-air engine device is made up of following four processes under the perfect condition: constant-pressure heating process, this process is carried out in heater, external source heat energy heats by the refrigeration working medium that heater is opposite in the heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, heater communicates with the cylinder expansion chamber of externally work done, heater not only will add and be used for the required heat of refrigeration working medium temperature rising, also must add the corresponding heat of outside work done, during constant being heated of pressure in the heater, the temperature of refrigeration working medium raises and expands, and externally the process of work done is the constant-pressure heating process of hot-air engine device; Isenthalpic throttling expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the throttling expansion decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the throttling expansion decompressor, throttle expansion valve in the throttling expansion decompressor will have the refrigeration working medium of certain pressure to carry out the throttling step-down in the back pressure cavity, making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce, and enthalpy remains unchanged before and after the refrigeration working medium throttling step-down; The adiabatic compression process, this process is at the throttling expansion decompressor, carry out in compressor and the heater, the suction port of compressor communicates with an end of throttling expansion decompressor, the relief opening of compressor communicates with the heater that certain process stage is arranged, in the compressor compresses process from outside heat absorption with put ripe, the merit that compressor is done becomes the heat of compression, pass to refrigeration working medium, the refrigeration working medium temperature is raise, the heat of compression that enters heater can be used as the part of the circulatory system absorption heat energy of hot-air engine device, in running order compressor constantly is compressed to the low pressure refrigeration working medium of throttling expansion decompressor one end in the heater with certain process stage, make the refrigeration working medium in throttling expansion machine one end be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in the circulatory system of whole hot-air engine device; The level pressure inflation process, this process is carried out in cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, expansion chamber communicates with the heater that certain process stage is arranged, back pressure cavity communicates with the throttling expansion decompressor of low-pressure state, piston in the cylinder from expansion chamber with certain process stage when the back pressure cavity of low-pressure state moves work done, pressure in the expansion chamber all the time with heater in pressure be consistent, the refrigeration working medium of heater in expansion chamber supplied with the level pressure heat of swelling, and system makes the level pressure expansion work to the external world.Heat engine useful horsepower to external world is the same.
With reference to Fig. 4 is hot-air engine device engagement hydraulic cylinder, the mechanical energy of hot-air engine device is transformed into a kind of implementing apparatus of hydraulic pressure energy, oil hydraulic cylinder 48 is bonded together with cylinder 55, form a cover apparatus for pressurizing gas, liquid, the working medium that oil hydraulic cylinder is 48 li is a hydraulic oil, because the area of cylinder piston 54 is greater than the area of hydraulic cylinder piston 56, when piston rod 58 promotion pistons 56 move, the pressure that hydraulic cylinder piston 56 is subjected to is greater than the pressure of cylinder piston 54, the working procedure of this implementing apparatus, when cylinder piston 54 promotions are moved to the left with piston rod 58 joining pistons 56, hydraulic cylinder piston 56 left chambeies have the hydraulic oil of certain pressure by pipeline 59, one-way valve 47 is input in oil motor 45 and the accumulator 46, hydraulic oil with certain pressure can be transported to the external world by oil motor 45 with hydraulic pressure, hydraulic oil in the oil motor 45 is got back to fuel tank 44, when piston 56 is moved to the left, vacuum state appears in the right chamber of hydraulic cylinder piston 56, the hydraulic oil of fuel tank 51 is by the right chamber of one-way valve 53 and pipeline 59 inhalant liquid cylinder pressures 48, equally, when cylinder piston 54 promotions move right with piston rod 58 joining pistons 56, hydraulic cylinder piston 56 right chambeies have the hydraulic oil of certain pressure by pipeline 59, one-way valve 57 is input in oil motor 45 and the accumulator 46, hydraulic oil with certain pressure can be transported to the external world by oil motor 45 with hydraulic pressure, hydraulic oil in the oil motor 45 is got back to fuel tank 44, when piston 56 moves right, vacuum state appears in the left chamber of hydraulic cylinder piston 56, the hydraulic oil of fuel tank 50 is by the left chamber of one-way valve 49 and pipeline 59 inhalant liquid cylinder pressures 48, the pressure when impact force when accumulator 46 can the absorption system commutation and the commutation of maintenance system.
Claims (8)
1. a hot-air engine device is characterized in that heat engine is by heater, cylinder, piston, the cylinder piston both sides are expansion chamber or back pressure cavity each other, piston rod, pipeline, cylinder intake and exhaust reversing arrangement, the expansion decompressor, compressor constitutes, and above-listed each part is serially connected forms the closed circulation loop, be placed with refrigeration working medium in the hot-air engine device system, heater is heated by external source heat energy, the working procedure of hot-air engine device, external source heat energy heats refrigeration working medium by heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, the pressure of the refrigeration working medium in the cylinder back pressure cavity is identical with refrigeration working medium pressure in the heater, cylinder intake and exhaust reversing arrangement makes the exhaust of cylinder back pressure cavity and communicates with the expansion decompressor by pipeline, the refrigeration working medium that the expansion decompressor makes the cylinder back pressure cavity have certain pressure expands and spreads or constant entropy expansion, cause the pressure of cylinder back pressure cavity to reduce, simultaneously, the cylinder expansion chamber directly communicates with heater by cylinder intake and exhaust reversing arrangement and pipeline, because the cylinder Pressure in Back-pressure Cavity reduces, refrigeration working medium in the cylinder expansion chamber expands, promoting piston moves to a side, piston rod is outwards made mechanical work, the inlet end of compressor communicates with the expansion decompressor that is full of the low pressure refrigeration working medium, the exhaust end of compressor communicates with heater, in running order compressor, constantly the refrigeration working medium with the expansion decompressor is compressed in the heater, cause pressure in the expansion decompressor to reduce or until vacuum, satisfy the expansion decompressor and be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in whole circulation system, cylinder intake and exhaust reversing arrangement makes the cylinder expansion chamber be exchanged into back pressure cavity, back pressure cavity is exchanged into expansion chamber, refrigeration working medium in the cylinder expansion chamber expands, and promotes piston and moves to the opposing party, and piston rod is outwards made mechanical work.
2. hot-air engine device as claimed in claim 1 is characterized in that the means for engaging of hot-air engine device and compressed fluid, can export the compression energy of compressed fluid to the external world.
3. hot-air engine device as claimed in claim 1 is characterized in that described expansion decompressor can be, increase-volume device, cryogenic expansion machine decompressor, throttling expansion decompressor.
4. hot-air engine device as claimed in claim 1 is characterized in that described refrigeration working medium is, synthetic refrigeration agent, natural refrigerant.
5. method of making hot-air engine device, the formation that it is characterized in that the circulatory system of hot-air engine device, cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, cylinder intake and exhaust reversing arrangement, the expansion decompressor, compressor, heater, and according to the above-listed order composition circulation loop that is serially connected, working medium in the circulation loop is a refrigeration working medium, heater is heated by external source heat energy, the thermodynamic cycle process of hot-air engine device is made up of following four processes under the perfect condition, constant-pressure heating process, this process is carried out in heater, external source heat energy heats by the refrigeration working medium that heater is opposite in the heater, refrigeration working medium is evaporated, and reach certain evaporating pressure, heater communicates with the cylinder expansion chamber of externally work done, heater not only will add and be used for the required heat of refrigeration working medium temperature rising, also must add the corresponding heat of outside work done, during constant being heated of pressure in the heater, the temperature of refrigeration working medium raises and expands, externally the process of work done is the constant-pressure heating process of heat engine, the expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the expansion decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the expansion decompressor, the expansion decompressor makes the refrigeration working medium of certain pressure expand diffusion or constant entropy expansion in the back pressure cavity, the pressure of refrigeration working medium reduces, the adiabatic compression process, this process is at the expansion decompressor, carry out in compressor and the heater, the suction port of compressor communicates with the expansion decompressor of low-pressure state, and the relief opening of compressor communicates with the heater that certain process stage is arranged, and does not absorb heat and heat release from the outside in the compressor compresses process, the merit that compression is done becomes the heat of compression, pass to refrigeration working medium, the refrigeration working medium temperature is raise, the heat of compression that enters heater can be used as the part that the heat engine circulatory system absorbs heat energy, in running order compressor constantly is compressed to the refrigeration working medium of expansion decompressor mesolow power in the heater with certain process stage, make the refrigeration working medium in the expansion decompressor be in low pressure or vacuum state, guarantee the circulation of refrigeration working medium in the whole hot-air engine device circulatory system, the level pressure inflation process, this process is carried out in cylinder, piston both sides in the cylinder are expansion chamber or back pressure cavity each other, and expansion chamber communicates with the heater that certain process stage is arranged, and back pressure cavity communicates with the expansion decompressor of low pressure or vacuum state, piston in the cylinder from expansion chamber with certain process stage when the back pressure cavity of low-pressure state moves work done, pressure in the expansion chamber all the time with heater in pressure be consistent, the refrigeration working medium of heater in expansion chamber supplied with the level pressure heat of swelling, system makes the level pressure expansion work to the external world, in four cyclic processes of hot-air engine device, the circulatory system of hot-air engine device is in the level pressure inflation process with the process of the heat exchange in the external world, and external source heat energy provides the level pressure heat of swelling to system, and system makes the level pressure expansion work to the external world, the merit of autophage is in the adiabatic compression process in the circulatory system of hot-air engine device, compressor is compressed to the compression work that high-pressure state consumes with the refrigeration working medium of low-pressure state, and effective merit that the circulatory system of hot-air engine device is done to external world is that the level pressure expansion work is removed resulting merit after the compression work of compressor, and the circulatory system of hot-air engine device useful horsepower to external world is that the work done power of piston in cylinder is removed resulting power behind the power of compressor, the circulatory system of hot-air engine device is selected different refrigeration working mediums, can obtain different useful horsepower to external world.
6. a kind of method of making hot-air engine device as claimed in claim 5, it is characterized in that described expansion decompression process can be, expansion increase-volume decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the increase-volume device, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, and cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the increase-volume device that is in low pressure or vacuum state, has the refrigeration working medium expansion of certain pressure to be diffused into the increase-volume device in the back pressure cavity, the volume of refrigeration working medium increases, and pressure reduces.
7. a kind of method of making hot-air engine device as claimed in claim 5, it is characterized in that described expansion decompression process can be, the constant entropy expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the cryogenic expansion machine decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the cryogenic expansion machine decompressor, cryogenic expansion machine in the cryogenic expansion machine decompressor changes the potential energy that the refrigeration working medium of certain pressure is arranged in the back pressure cavity into mechanical work to be exported by cryogenic expansion machine, and making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce.
8. a kind of method of making hot-air engine device as claimed in claim 5, it is characterized in that described expansion decompression process can be, isenthalpic throttling expansion decompression process, this process is the back pressure cavity at cylinder, carry out in cylinder intake and exhaust reversing arrangement and the throttling expansion decompressor, the temperature of refrigeration working medium in the back pressure cavity, pressure, temperature with refrigeration working medium in the heater, pressure is identical, cylinder intake and exhaust reversing arrangement makes the back pressure cavity exhaust and communicates with the throttling expansion decompressor, throttle expansion valve in the throttling expansion decompressor will have the refrigeration working medium of certain pressure to carry out the throttling step-down in the back pressure cavity, making has in the back pressure cavity refrigeration working medium pressure of certain pressure to reduce, and in this decompression process, enthalpy remains unchanged before and after the refrigeration working medium throttling step-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510131183 CN1991155A (en) | 2005-12-29 | 2005-12-29 | Hot-air engine device and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510131183 CN1991155A (en) | 2005-12-29 | 2005-12-29 | Hot-air engine device and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1991155A true CN1991155A (en) | 2007-07-04 |
Family
ID=38213617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510131183 Pending CN1991155A (en) | 2005-12-29 | 2005-12-29 | Hot-air engine device and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1991155A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287347A (en) * | 2011-05-04 | 2011-12-21 | 包头市爱能控制工程有限责任公司 | Solar constant pressure heating hot airflow engine generation system |
| WO2013078772A1 (en) * | 2011-12-01 | 2013-06-06 | Jin Beibiao | Single-cylinder u-flow entropy cycle engine |
| WO2013110231A1 (en) * | 2012-01-27 | 2013-08-01 | Jin Beibiao | Turbine air-distribution hot air engine |
| WO2015067168A1 (en) * | 2013-11-06 | 2015-05-14 | 龚炳新 | Novel stirling heat engine |
| CN107390725A (en) * | 2017-08-18 | 2017-11-24 | 郭其秀 | A kind of system and its control method of autonomous tracking sunray |
| CN107415297A (en) * | 2017-07-20 | 2017-12-01 | 罗斯（无锡）设备有限公司 | A kind of gas-liquid press |
-
2005
- 2005-12-29 CN CN 200510131183 patent/CN1991155A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287347A (en) * | 2011-05-04 | 2011-12-21 | 包头市爱能控制工程有限责任公司 | Solar constant pressure heating hot airflow engine generation system |
| CN102287347B (en) * | 2011-05-04 | 2013-06-12 | 包头市爱能控制工程有限责任公司 | Solar constant pressure heating hot airflow engine generation system |
| WO2013078772A1 (en) * | 2011-12-01 | 2013-06-06 | Jin Beibiao | Single-cylinder u-flow entropy cycle engine |
| WO2013110231A1 (en) * | 2012-01-27 | 2013-08-01 | Jin Beibiao | Turbine air-distribution hot air engine |
| WO2015067168A1 (en) * | 2013-11-06 | 2015-05-14 | 龚炳新 | Novel stirling heat engine |
| CN107415297A (en) * | 2017-07-20 | 2017-12-01 | 罗斯（无锡）设备有限公司 | A kind of gas-liquid press |
| CN107390725A (en) * | 2017-08-18 | 2017-11-24 | 郭其秀 | A kind of system and its control method of autonomous tracking sunray |
| CN107390725B (en) * | 2017-08-18 | 2020-05-29 | 绿华能源（福建）有限公司 | System for automatically tracking sun rays and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2434149C2 (en) | Waste heat recovery system and method for split-cycle engine | |
| WO2006052847A3 (en) | Method and apparatus for converting thermal energy to mechanical energy | |
| EA014489B1 (en) | Ambient temperature thermal energy and constant pressure cryogenic engine | |
| CN1991155A (en) | Hot-air engine device and its manufacturing method | |
| CN103954061B (en) | The one-stage steam compressed formula circulatory system of cold synergy crossed by a kind of injector | |
| CN108167038A (en) | Organic Rankine Cycle-Trans-critical cycle CO2Heat pump engine exhaust heat recycles association system | |
| US20100186405A1 (en) | Heat engine and method of operation | |
| US9746215B2 (en) | Heat powered reciprocating piston engine | |
| CN107567534A (en) | Improved cryogenic engine system | |
| CN2881123Y (en) | Motor having two-regenerator | |
| US10570851B2 (en) | Heat engine | |
| WO2016114683A1 (en) | Internal combustion engine and operating method therefor | |
| CN1563693A (en) | External combustion engine | |
| US5209065A (en) | Heat engine utilizing a cycle having an isenthalpic pressure-increasing process | |
| CN100359167C (en) | Free piston type expansion-compression unit | |
| CN203809128U (en) | Constant-pressure heating thermodynamic cycling system of prime motor | |
| CN110005588B (en) | Multi-cylinder piston type expansion-compressor | |
| CN110388241B (en) | Waste heat recovery thermal circulation system of automobile engine | |
| SU1780557A3 (en) | Method for converting gas inner energy to heat in compression- expanding machine with free liquid piston | |
| RU2246625C2 (en) | Method of operation of internal combustion engine and device for implementing the method | |
| WO1999030017A1 (en) | Internal combustion engine | |
| CN201935468U (en) | Carbon dioxide refrigerating system for compression expander | |
| CN2672567Y (en) | Reciprocating concentrated heat energy air conditioner | |
| CN113310238A (en) | Internal combustion engine type combined cycle heat pump device | |
| RU1802193C (en) | Method for operating thermal engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |