WO2022202585A1 - トリラテラルサイクルシステム - Google Patents
トリラテラルサイクルシステム Download PDFInfo
- Publication number
- WO2022202585A1 WO2022202585A1 PCT/JP2022/012149 JP2022012149W WO2022202585A1 WO 2022202585 A1 WO2022202585 A1 WO 2022202585A1 JP 2022012149 W JP2022012149 W JP 2022012149W WO 2022202585 A1 WO2022202585 A1 WO 2022202585A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- passage
- expander
- drive shaft
- shaft
- generator
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000005514 two-phase flow Effects 0.000 abstract description 5
- 239000012071 phase Substances 0.000 description 28
- 239000000498 cooling water Substances 0.000 description 7
- 239000007791 liquid phase Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/20—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil wherein the cooling medium vaporises within the machine casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/04—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for the fluid being in different phases, e.g. foamed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/213—Heat transfer, e.g. cooling by the provision of a heat exchanger within the cooling circuit
Definitions
- the present invention relates to a trilateral cycle system, and more particularly, a trilateral cycle comprising an expander driven by a gas-liquid two-phase working fluid supplied from a heat exchanger and a generator connected to the expander. Regarding the system.
- the expander and the generator are housed in a closed container, and the internal space where the generator in the closed container is arranged is one of the flow paths between the pump and the heater (heat exchanger).
- a Rankine cycle system composed of parts has been proposed (see, for example, Patent Document 1).
- the Rankine cycle system described in Patent Document 1 cools the generator with the working fluid before being heated by the heater, thereby suppressing the temperature rise of the generator and reducing the working fluid before flowing into the heater. Preheating.
- a trilateral cycle system which forms a roughly triangular shape on the temperature-entropy diagram, is known as a system for recovering energy from a low-temperature heat source.
- the trilateral cycle is also called a gas-liquid two-phase adiabatic expansion cycle. After heat exchange from the heat source to the working fluid, the working fluid becomes a gas-liquid two-phase state, and the pressure of the gas-liquid two-phase working fluid is reduced in the expander. It is a cycle that boils and extracts energy.
- the inventors of the present application focused on the fact that the working fluid supplied from the heat exchanger to the expander in the trilateral cycle is in a gas-liquid two-phase state, and used the gas-liquid two-phase flow of the working fluid flowing into the expander. found to do.
- An object of the present disclosure is to provide a trilateral cycle system that simultaneously achieves cooling of a generator and recovery of waste heat from the generator by using a gas-liquid two-phase working fluid.
- a trilateral cycle system for achieving the above object includes an expander driven by a gas-liquid two-phase working fluid supplied from a heat exchanger, and a generator connected to the expander. , wherein the generator is disposed in the middle of a passage through which a gas-liquid two-phase working fluid flows between the heat exchanger and the expander, and cools the generator. It is characterized in that the cooling passage is constituted by a part of said passage.
- the liquid phase of the working fluid is evaporated by the heat of the generator, thereby cooling the generator and at the same time of waste heat can be recovered.
- FIG. 1 is a configuration diagram illustrating a trilateral cycle system of an embodiment.
- 2 is a cross-sectional view illustrating the inside of the housing of FIG. 1.
- FIG. 3 is a cross-sectional view illustrating a first modification of the interior of the housing of FIG. 1.
- FIG. 4 is a cross-sectional view illustrating a second modification of the interior of the housing of FIG. 1.
- FIG. 5 is a cross-sectional view illustrating a third modification of the inside of the housing of FIG. 1.
- a passage indicates a portion through which a working fluid flows
- a pipe indicates a member forming the passage
- the trilateral cycle system 10 of the embodiment is a system that converts exhaust heat from an engine (not shown) into electric power and recovers it.
- Exhaust heat from the engine is exemplified by exhaust gas generated by combustion of fuel and cooling water for cooling the heat generated by the combustion.
- the working fluid flowing into the expander 14 is in a gas-liquid two-phase state instead of dry steam, and exhaust heat is recovered even when the engine exhaust heat is at a low temperature of 100° C. or less. It is possible. Therefore, engine cooling water is suitable as a heat source for the trilateral cycle system 10, and the trilateral cycle system 10 of the present embodiment uses cooling water as exhaust heat.
- Ethanol is exemplified as the working fluid of the trilateral cycle system 10 .
- Trilateral cycle system 10 a pump 12, a heat exchanger 13, an expander 14, and a condenser 15 are arranged in order with respect to the flow of the working fluid in a circulation passage 11 through which the working fluid circulates.
- Trilateral cycle system 10 includes a generator 16 coupled to an expander 14 .
- the working fluid circulated through the circulation passage 11 by the pump 12 exchanges heat with the cooling water of the engine in the heat exchanger 13 and is heated to become a gas-liquid two-phase flow working fluid.
- the gas-liquid two-phase working fluid after passing through the heat exchanger 13 drives the expander 14 .
- the working fluid After driving the expander 14, the working fluid is cooled in the condenser 15 and returns to the pump 12 again.
- Electric power generated by the generator 16 by driving the expander 14 is stored in a battery (not shown).
- the trilateral cycle system 10 is configured with a housing 20 and a cooling passage 21 .
- the expander 14 and the generator 16 are housed inside one housing 20, and the output shaft 17 of the expander 14 and the drive shaft 18 of the generator 16 are connected inside the housing 20. are arranged coaxially and directly connected.
- the trilateral cycle system 10 exists between the heat exchanger 13 and the expander 14 in the circulation passage 11, and includes a passage 19 through which the gas-liquid two-phase working fluid after passing through the heat exchanger 13 flows.
- a generator 16 is arranged at an intermediate position, and a cooling passage 21 for cooling the generator 16 is formed by part of the passage 19 .
- the hatched portion indicates the passage 19. As shown in FIG.
- the X direction indicates the axial direction of the output shaft 17 and the drive shaft 18, and the Y direction indicates the direction perpendicular to the X direction.
- the tip and the tail refer to the flow of the working fluid, and the tip indicates one end that exists on the upstream side, and the tail indicates the other end that exists on the downstream side.
- the expander 14 includes a fluid device 14a that converts the energy of a gas-liquid two-phase working fluid into rotational motion of an output shaft 17, and an expander housing 14b that houses the fluid device 14a.
- the fluid device 14a include a turbo type (centrifugal turbine and axial flow turbine) and a positive displacement type (vane expander, scroll expander, screw expander), and are not particularly limited.
- the expander 14 of this embodiment employs a rotary expander in which the fluid device 14a has a structure in which vanes slide on the outer peripheral surface or the inner peripheral surface of the piston.
- the generator 16 comprises a rotor 16a fixed to the drive shaft 18 and a stator 16b arranged around the rotor 16a and fixed to the housing 20.
- the generator 16 is electrically connected to the battery via an inverter (not shown).
- a cooling passage 21 for cooling the generator 16 is formed inside the generator 16 .
- the housing 20 has a sealed structure, and houses the generator 16 on the upstream side and the expander 14 on the downstream side with respect to the flow of the gas-liquid two-phase working fluid.
- An inlet pipe 22 and an outlet pipe 23 are connected to the housing 20 .
- the inlet pipe 22 is one of the pipes forming the passage 19 , and is a pipe through which the gas-liquid two-phase working fluid flows into the housing 20 after passing through the heat exchanger 13 .
- the inlet pipe 22 has its end located inside the housing 20 .
- the outlet pipe 23 is a pipe through which the working fluid that has passed through the expander 14 flows out of the housing 20 .
- the cooling passage 21 is a part of the passage 19, and is a passage whose tip communicates with the inlet pipe 22, whose midpoint passes through the generator 16, and whose end communicates with the inlet 14c of the fluid device 14a of the expander 14.
- the cooling passage 21 is a passage through which a gas-liquid two-phase working fluid flows, and a drive shaft passage 24, an output shaft passage 25, and a communication passage 26 are arranged in order from the upstream side with respect to the flow of the working fluid. be made.
- the drive shaft passage 24 is a passage formed inside the drive shaft 18, through which a gas-liquid two-phase working fluid flows.
- the drive shaft passage 24 communicates with the inlet pipe 22 at its distal end and communicates with the output shaft passage 25 at its distal end.
- the drive shaft 18 in which the drive shaft passage 24 is formed is constituted by a pipe, and the rotor 16a is fixed to the outer peripheral surface of the pipe.
- the output shaft passage 25 is a passage formed inside the output shaft 17, through which the gas-liquid two-phase working fluid after passing through the drive shaft passage 24 flows.
- the output shaft passage 25 communicates with the drive shaft passage 24 at its tip and communicates with the communication passage 26 at its end.
- the output shaft 17 in which the output shaft passage 25 is formed is constituted by a pipe, and the pipe is rotationally driven by the fluid device 14a.
- the communication passage 26 is a passage formed in the expander housing 14b, through which the gas-liquid two-phase working fluid after passing through the output shaft passage 25 flows.
- the connecting passage 26 communicates with the output shaft passage 25 at its distal end and communicates with the inlet 14c of the fluid device 14a at its distal end.
- the pipe outer diameter of the drive shaft 18 is equal to or smaller than the pipe inner diameter of the inlet pipe 22 .
- the tip of the drive shaft 18 is arranged inside the inlet pipe 22 .
- the drive shaft 18 is rotatably connected to the inlet pipe 22 through the drive shaft passage 24 .
- the pipe outer diameter of the drive shaft 18 is preferably smaller than the pipe inner diameter of the inlet pipe 22 .
- the pipe outer diameter of the output shaft 17 is the same as the pipe inner diameter of the drive shaft 18 .
- the tip of the output shaft 17 is arranged inside the drive shaft 18 .
- the outer peripheral surface of the output shaft 17 is fixed to the inner peripheral surface of the drive shaft 18 .
- the output shaft 17 extends until its tip is positioned at the central portion of the generator 16 .
- Positioning the tip of the output shaft 17 at the central portion of the generator 16 increases the fixing area between the output shaft 17 and the drive shaft 18, which is advantageous for fixing rotating pipes to each other.
- the tip of the output shaft 17 may be arranged upstream of the central portion of the generator 16 with respect to the flow of working fluid.
- the end of the drive shaft 18 may protrude from the generator 16 toward the expander 14 side.
- a through hole 26a penetrating in the X direction is formed in the upper passage wall surface in the X direction at the terminal end of the communication passage 26.
- the hole diameter of the through hole 26a is equal to or larger than the pipe outer diameter of the output shaft 17 .
- the distal end of the output shaft 17 protrudes downward in the X direction from the fluid device 14a and is disposed inside the distal end of the communication passage 26 through the through hole 26a.
- the output shaft 17 is rotatably connected to the communication passage 26 through the output shaft passage 25 .
- the hole diameter of the through hole 26a is desirably larger than the pipe outer diameter of the output shaft 17 .
- the hole diameter of the through hole 26a is larger than the pipe outer diameter of the output shaft 17, the outer peripheral surface of the output shaft 17 is out of contact with the expander housing 14b, which is advantageous for reducing the resistance load due to contact.
- the diameter of a through hole 14d formed in the upper end of the expander casing 14b in the X direction and through which the output shaft 17 is inserted is equal to or larger than the outer diameter of the pipe of the output shaft 17. is preferably larger than the outer diameter of the piping.
- the gas-liquid two-phase working fluid that has passed through the heat exchanger 13 flows through the inlet pipe 22, the drive shaft passage 24, the output shaft passage 25, the communication passage 26, the fluid device 14a, and the outlet pipe 23 in this order.
- the temperature of the generator 16 is higher than the temperature of the working fluid in the gas-liquid two-phase flow when passing through the drive shaft passage 24, the liquid phase of the working fluid evaporates. take away the heat of vaporization. As a result, the generator 16 is cooled and exhaust heat of the generator 16 is recovered by the gas-liquid two-phase working fluid.
- the cooling passage 21 for cooling the generator 16 is part of the passage 19 through which the gas-liquid two-phase working fluid flows after passing through the heat exchanger 13. Configured. Therefore, according to the trilateral cycle system 10, when the gas-liquid two-phase working fluid flows through the cooling passage 21, the liquid phase of the working fluid evaporates due to the heat of the generator 16. , the exhaust heat of the generator 16 can be recovered while cooling the generator 16 .
- the technology of cooling the generator and motor-generator mounted on the vehicle with the cooling water of the engine is a well-known and commonly used technology.
- the trilateral cycle system 10 of this embodiment uses cooling water of the engine as exhaust heat of the engine. Therefore, the temperature of the gas-liquid two-phase working fluid flowing into the expander 14 is lower than the temperature of the cooling water of the engine. Sufficient cooling is possible. Note that the specifications of the generator 16 of this embodiment can be changed as appropriate.
- the expander 14 and the generator 16 are housed inside one housing 20. Since the expander 14 and the generator 16 are housed inside one housing 20 as in the present embodiment, even if the working fluid leaks from the output shaft 17 of the expander 14, the leaked operation Fluid stays inside the housing 20 and can be prevented from flowing out. This makes it possible to reduce the frequency of regular maintenance due to outflow of the working fluid.
- an output shaft 17 of an expander 14 and a drive shaft 18 of a generator 16 are arranged coaxially, and a gas-liquid two-phase working fluid passage is formed inside each of these shafts. It is desirable that As in this embodiment, if both the output shaft 17 and the drive shaft 18 are configured by pipes having shaft passages formed therein, there is no need to separately provide pipes for forming the cooling passages 21 . Therefore, the integrated structure in which the expander 14 and the generator 16 are housed inside one housing 20 can be made compact.
- the trilateral cycle system 10 of the present disclosure is not limited to specific embodiments, and various modifications and changes are possible within the scope of the gist of the present disclosure. be.
- the trilateral cycle system 10 has a configuration in which the output shaft 17 of the expander 14 and the drive shaft 18 of the generator 16 are coaxially arranged and connected to each other.
- a configuration in which an intermediate position communicates with the communication passage 26 may be employed.
- the output shaft 17 has a solid shaft 17a and a hollow shaft 17b formed of a pipe that are coaxially connected, and the distal end of the hollow shaft 17b is disposed inside the communication passage 26.
- the distal end of the drive shaft 18 is also arranged inside the connecting passage 26 .
- a plurality of through holes 27 are formed in the tube wall where two pipes, the end of the hollow shaft 17b and the end of the drive shaft 18, overlap. Durability deteriorated by forming a plurality of through-holes 27 in the end portions of the hollow shaft 17b and the end portion of the drive shaft 18, which are overlapped and doubled inside the communication passage 26. should be improved.
- the trilateral cycle system 10 has a shaft passage inside the output/drive shaft 28 when the expander 14 and the generator 16 are connected by one output/drive shaft 28 . 29 may be formed and the output/drive shaft 28 may be constructed of piping.
- the rotor 16a is fixed to the upper portion in the X direction of the output/drive shaft 28, and the fluid device 14a is fixed to the lower portion in the X direction.
- the output/drive shaft 28 is composed of a solid output shaft portion 28a and a hollow drive shaft portion 28b arranged at the center of the shaft. 28a and drive shaft portion 28b may be connected by connecting portion 28c.
- the fluid device 14a of the expander 14 is fixed to the output shaft portion 28a of the output/drive shaft 28, and the rotor 16a of the generator 16 is fixed to the drive shaft portion 28b.
- the cooling passage 21 is directly connected to the inlet 14 c of the fluid device 14 a of the expander 14 at the end of the output/drive shaft 28 .
- connection between the expander 14 and the generator 16 and the configuration of the cooling passage 21 can be appropriately changed depending on the specifications of the fluid device 14a of the expander 14 and the durability of each pipe.
- the trilateral cycle system 10 of the present disclosure is not limited to an integrated structure in which the expander 14 and the generator 16 are housed inside a single housing 20, and are separately installed in the circulation passage 11 of the trilateral cycle system 10. Arranged configurations may also be used.
- the trilateral cycle system 10 of the present disclosure is not limited to a configuration in which the cooling passage 21 is formed inside the output shaft 17 of the expander 14 or the drive shaft 18 of the generator 16, and those shafts and the cooling passage 21 are not limited to A separately arranged configuration is also possible.
- the liquid phase of the working fluid evaporates due to the heat of the generator, thereby cooling the generator and simultaneously recovering the waste heat of the generator. It has the effect of being able to do so, and is useful for trilateral cycle systems and the like.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
11 循環通路
12 ポンプ
13 熱交換器
14 膨張機
15 凝縮器
16 発電機
17 出力軸
18 駆動軸
19 通路
20 筐体
21 冷却通路
Claims (9)
- 熱交換器から供給された気液二相流の作動流体により駆動する膨張機と、前記膨張機に連結された発電機と、を備えたトリラテラルサイクルシステムにおいて、
前記発電機は、前記熱交換器および前記膨張機の間で気液二相流の作動流体が流通する通路の中途位置に配置され、
前記発電機を冷却する冷却通路が前記通路の一部分で構成される
ことを特徴とするトリラテラルサイクルシステム。 - 前記膨張機と前記発電機とは一つの筐体の内部に収納される請求項1に記載のトリラテラルサイクルシステム。
- 前記筐体は、前記熱交換器を通過した気液二相流の前記作動流体が流入する入口配管と、前記膨張機を通過した前記作動流体が流出する出口配管と、が接続されて成り、
前記冷却通路は、先端が前記筐体の前記入口配管に連通し、中途位置が前記発電機を経由し、末端が前記膨張機の入口に連通する構成である請求項2に記載のトリラテラルサイクルシステム。 - 前記膨張機の出力軸と前記発電機の駆動軸とは同軸上に配置されるとともに互いに連結され、
前記出力軸および前記駆動軸の内部に気液二相流の前記作動流体が流通する軸用通路が形成されて、前記出力軸および前記駆動軸のそれぞれが配管で構成され、
前記冷却通路は、前記軸用通路と、前記軸用通路の出口および前記膨張機の流体機器の入口を連通する連絡通路と、を有して構成される請求項3に記載のトリラテラルサイクルシステム。 - 前記出力軸および前記駆動軸の両方の内部のそれぞれに前記軸用通路が形成されて、前記出力軸および前記駆動軸のそれぞれが配管で構成され、
前記出力軸の配管外径と前記駆動軸の配管内径とが同径であり、前記出力軸の先端が前記駆動軸の内部に配置されて、前記出力軸の外周面が前記駆動軸の内周面に固定される請求項4に記載のトリラテラルサイクルシステム。 - 前記入口配管は、その末端が前記筐体の内部に配置され、
前記駆動軸の配管外径は前記入口配管の配管内径以下であり、
前記駆動軸の先端が前記入口配管の内部に配置されて、
前記駆動軸が回転可能に、前記駆動軸の内部に形成された前記軸用通路が前記入口配管の内部に連通される、請求項4または5に記載のトリラテラルサイクルシステム。 - 前記膨張機と前記発電機とは一つの出力兼駆動軸で連結され、
前記出力兼駆動軸の内部に気液二相流の前記作動流体が流通する軸用通路が形成されて、
前記出力兼駆動軸が配管で構成される、請求項3に記載のトリラテラルサイクルシステム。 - 前記冷却通路は、前記軸用通路のみを有して、前記膨張機の流体機器の入口に連通する、請求項7に記載のトリラテラルサイクルシステム。
- 前記冷却通路は、前記軸用通路と、前記軸用通路の出口および前記膨張機の流体機器の入口を連通する連絡通路と、を有して構成される、請求項7に記載のトリラテラルサイクルシステム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112022000877.6T DE112022000877T5 (de) | 2021-03-22 | 2022-03-17 | Trilaterales zyklussystem |
CN202280024073.7A CN117157453A (zh) | 2021-03-22 | 2022-03-17 | 三角循环系统 |
US18/551,776 US12255521B2 (en) | 2021-03-22 | 2022-03-17 | Trilateral cycle system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2021046805A JP2022146033A (ja) | 2021-03-22 | 2021-03-22 | トリラテラルサイクルシステム |
JP2021-046805 | 2021-03-22 |
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WO2022202585A1 true WO2022202585A1 (ja) | 2022-09-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2022/012149 WO2022202585A1 (ja) | 2021-03-22 | 2022-03-17 | トリラテラルサイクルシステム |
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JP (1) | JP2022146033A (ja) |
CN (1) | CN117157453A (ja) |
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JP5018592B2 (ja) * | 2008-03-27 | 2012-09-05 | いすゞ自動車株式会社 | 廃熱回収装置 |
DE102009051114A1 (de) * | 2009-10-28 | 2011-05-05 | Siemens Aktiengesellschaft | Elektrische Maschine |
DE102011078784A1 (de) * | 2011-07-07 | 2013-01-10 | Siemens Ag | Elektrische Maschine mit Rotorinnenbelüftung |
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CN115580055A (zh) * | 2017-08-08 | 2023-01-06 | 美国轮轴制造公司 | 具有在转子轴中带有散热插入件的马达的电驱动模块 |
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- 2022-03-17 US US18/551,776 patent/US12255521B2/en active Active
- 2022-03-17 WO PCT/JP2022/012149 patent/WO2022202585A1/ja active Application Filing
- 2022-03-17 DE DE112022000877.6T patent/DE112022000877T5/de active Pending
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JP2007187422A (ja) * | 2006-01-16 | 2007-07-26 | Ebara Corp | 冷凍機用動力回収膨張機 |
EP2426435A2 (en) * | 2010-06-11 | 2012-03-07 | Schutter Rotterdam B.V. | Cooling system with low energy consumption |
JP2012127201A (ja) * | 2010-12-13 | 2012-07-05 | Kobe Steel Ltd | 発電システム |
JP2018009458A (ja) * | 2016-07-11 | 2018-01-18 | 株式会社Ihi | バイナリー発電システムおよび作動媒体ポンプ |
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JP2022146033A (ja) | 2022-10-05 |
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US12255521B2 (en) | 2025-03-18 |
US20240178725A1 (en) | 2024-05-30 |
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