WO2015067168A1 - Nouveau moteur thermique stirling - Google Patents

Nouveau moteur thermique stirling Download PDF

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Publication number
WO2015067168A1
WO2015067168A1 PCT/CN2014/090283 CN2014090283W WO2015067168A1 WO 2015067168 A1 WO2015067168 A1 WO 2015067168A1 CN 2014090283 W CN2014090283 W CN 2014090283W WO 2015067168 A1 WO2015067168 A1 WO 2015067168A1
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WO
WIPO (PCT)
Prior art keywords
cylinder
heat
exothermic
pressure
sealed container
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PCT/CN2014/090283
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English (en)
Chinese (zh)
Inventor
龚炳新
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龚炳新
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Publication date
Application filed by 龚炳新 filed Critical 龚炳新
Publication of WO2015067168A1 publication Critical patent/WO2015067168A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00—Hot gas positive-displacement engine plants
    • F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines

Definitions

  • the invention provides a novel Stirling heat engine which uses air or water or a refrigerant as a working medium.
  • the new Stirling heat engine includes main components such as expanders, heat exchange systems, cylinders, and sealed containers.
  • the new Stirling heat engine is able to work with ambient atmospheric pressure, so its output power and efficiency are higher than conventional heat engines.
  • the present invention provides a novel Stirling heat engine capable of performing work using ambient atmospheric pressure.
  • This new type of heat engine consists of two or more exothermic cylinders, two or more endothermic cylinders, expanders or double-acting cylinders, three-way valves or multi-way valves, heat exchange systems, sealed containers, etc.
  • the pressure inside the sealed container is work.
  • thermodynamic cycle is similar to the Stirling cycle.
  • the Stirling cycle consists of four processes: isothermal exothermic compression, isovolumic endothermic heating, isothermal endothermic expansion, and isovolumic exothermic cooling.
  • the expander or the double-acting cylinder When the working fluid flows through the expander or the double-acting cylinder, it is an isothermal endothermic expansion process, and the expander or the double-acting cylinder is a power output mechanism when the working medium is isothermally expanded.
  • the exothermic cylinder is a power output mechanism when the working medium is isothermally exothermic.
  • the piston can reciprocate in the exothermic cylinder.
  • Each exothermic cylinder has an inlet valve and an exhaust valve.
  • the inlet and exhaust valves are installed at the bottom of the exothermic cylinder, and the inlet valve is connected to the expander or the double-acting cylinder outlet.
  • the exhaust valve is connected to the inlet of the heat absorption cylinder.
  • the three-way valve or the multi-way valve is installed at the outlet of the expander or the double-acting cylinder and the inlet of the heat absorption cylinder.
  • These exothermic cylinders are mounted in a sealed container filled with high pressure air, and the outlet pressure of the expander or double acting cylinder is greater than or equal to the pressure in the sealed container.
  • These exothermic cylinders radiate heat through the heat exchange system.
  • the working medium After leaving the expander, the working medium enters the exothermic cylinder.
  • the working medium first undergoes the isovolumic exothermic process in the exothermic cylinder, and then undergoes the isothermal exothermic compression work process, and transmits the released heat to the endothermic cylinder.
  • the inlet and exhaust valves of the exothermic cylinder are closed and the piston is at the bottom of the cylinder.
  • the inlet valve opens, and the piston will move to the top of the cylinder because the pressure in the sealed container is less than or equal to the expander or double-acting cylinder outlet pressure.
  • This process is similar to the intake stroke of the Otto cycle heat engine.
  • fix the piston to the top of the cylinder fix the piston to the top of the cylinder, close the inlet valve, close the inlet valve, and the working fluid from the expander or double-acting cylinder enters the other exothermic cylinder to open the heat exchange system valve.
  • the exothermic cylinder is cooled with water or oil. This process is an isovolumic exothermic cooling process and transfers the heat released to the endothermic cylinder.
  • the piston When the temperature of the working fluid in the exothermic cylinder is equal to the ambient temperature, the piston is released, so that the working fluid in the exothermic cylinder is subjected to the isothermal exothermic compression work process. Because the internal pressure of the cylinder is lower than the pressure inside the sealed container, the pressure inside the sealed container will force the piston to move to the bottom of the cylinder. The piston drives the engine to work, and the pressure work in the sealed container can be utilized and output by the new heat engine.
  • the exhaust valve of the exothermic cylinder is opened, and the working medium in the exothermic cylinder enters the endothermic cylinder due to the inertia of the working fluid flow, and the absorption cylinder absorbs the exothermic cylinder. Wait The heat released by the heat release process, the working medium in the heat absorption cylinder for the isothermic heat absorption process, the working temperature and pressure will increase.
  • the exhaust valve of the heat absorption cylinder When the working temperature rises to the heat source temperature, the exhaust valve of the heat absorption cylinder is opened, the working medium enters the expander, and the heat of the heat source is absorbed for the isothermal endothermic expansion work process. When the piston piston moves to the bottom of the heat absorption cylinder, the exhaust valve closes and completes the entire cycle.
  • the working temperature zone of the new heat engine is 300K ⁇ 600K
  • the working medium is air
  • the working pressure is: high pressure (expander inlet pressure) 0.404MPa, low pressure (pressure after equal volume exothermic) 0.101MPa
  • the sealed container is filled with air
  • the pressure is 0.404MPa and the temperature is 600K.
  • the working fluid flows through the expander, it is an isothermal endothermic expansion process, as shown in Figure 1 a ⁇ b. After the working fluid flows through the expander, the pressure drop is 0.202MPa. The temperature is 600K.
  • cylinder #1 or cylinder #2 After leaving the expander, the working fluid enters cylinder #1 or cylinder #2, cylinder #1 and cylinder #2 are exothermic cylinders, and the working fluid undergoes an isovolumetric exothermic process in cylinder #1 and cylinder #2, as shown in Fig. 2P-V.
  • b ⁇ c shows the process of isothermal exothermic compression, as shown by c ⁇ d in Fig. 2P-V.
  • the cylinder #1 and the cylinder #2 are installed in a sealed container, and the intake valve and the exhaust valve are provided at the bottom of the cylinder #1 and the cylinder #2.
  • the inlet and exhaust valves are closed and the piston is at the bottom of the cylinder.
  • the inlet valve is opened, the pressure inside the sealed container is 0.202MPa, which is equal to the outlet pressure of the expander 0.202MPa. Due to the inertia of the working fluid flow, the piston will move to the top of the cylinder.
  • the piston moves to the top of the cylinder, the piston is fixed.
  • close the inlet valve open the heat exchange system valve, and use water to cool the cylinder. This process is an isovolumic exothermic cooling process and transfers the heat released to cylinder #3 or cylinder #4.
  • the working fluid undergoes an isovolumetric endothermic process in cylinder #3 and cylinder #4, as shown by d ⁇ a in the figure 2P-V.
  • Cylinder #3 and cylinder #4 are heat absorbing cylinders.
  • the piston When the working fluid temperature in cylinder #1 or cylinder #2 is equal to the ambient temperature, the piston is released, so that the working fluid in cylinder #1 or cylinder #2 is subjected to the isothermal exothermic compression work process. Because the pressure inside the cylinder is 0.101MPa lower than the pressure inside the sealed container of 0.202MPa, the pressure inside the sealed container will force the piston to move to the bottom of the cylinder. The piston drives the engine to work. The pressure in the sealed container can be used and output by the new heat engine.
  • the traditional Stirling cycle heat engine needs to consume the isothermal endothermic expansion process to complete the isothermal compression exothermic process.
  • the output power of the traditional Stirling cycle heat engine will be less than the work of the system isothermal endothermic expansion process; and the new heat engine utilizes the sealed container.
  • the internal pressure works to complete the isothermal compression exothermic process, and does not consume the isothermal endothermic expansion process to complete the isothermal compression exothermic process, and the pressure work in the sealed container can be utilized and output by the new heat engine, so the output work of the new heat engine It will be much larger than the output work of the traditional Stirling cycle heat engine under the same working conditions.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention porte sur un nouveau moteur thermique Stirling, lequel moteur prend de l'air, de l'eau ou un réfrigérant comme milieu actif. Ledit moteur comprend des éléments principaux par exemple deux cylindres de libération thermique (1, 2) ou davantage, deux cylindres d'absorption thermique (3, 4) ou davantage, un élément d'expansion (7), ou un cylindre à double usage, une valve à trois voies (8) ou une valve multivoie, un système d'échange thermique (6) et un contenant hermétique (5). Ce moteur peut utiliser la pression provenant de l'intérieur du contenant hermétique pour effectuer un travail, de sorte que le travail produit et le rendement sont supérieurs à ceux d'un moteur thermique classique.
PCT/CN2014/090283 2013-11-06 2014-11-04 Nouveau moteur thermique stirling WO2015067168A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310551659.1A CN103557088B (zh) 2013-11-06 2013-11-06 斯特林热机
CN201310551659.1 2013-11-06

Publications (1)

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WO2015067168A1 true WO2015067168A1 (fr) 2015-05-14

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CN (1) CN103557088B (fr)
WO (1) WO2015067168A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557088B (zh) * 2013-11-06 2016-05-18 龚炳新 斯特林热机
WO2016015575A1 (fr) * 2014-07-28 2016-02-04 龚炳新 Moteur thermique
CN104265497B (zh) * 2014-07-28 2016-03-30 龚炳新 一种热机
CN104153911B (zh) * 2014-08-12 2015-12-30 龚炳新 一种斯特林热机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5987886A (en) * 1996-11-15 1999-11-23 Sanyo Electric Co., Ltd. Stirling cycle engine
JP2006112260A (ja) * 2004-10-13 2006-04-27 Daikin Ind Ltd 熱音響エンジン
CN1991155A (zh) * 2005-12-29 2007-07-04 陈茂盛 热气机装置及其制造方法
WO2010037358A1 (fr) * 2008-09-30 2010-04-08 Institut Für Luft- Und Kältetechnik Gemeinnützige Gmbh Système d'échappement pour véhicules automobiles comprenant un moteur thermique intégré
CN102062015A (zh) * 2011-01-18 2011-05-18 黄锦峰 一种新型斯特林发动机
CN202360158U (zh) * 2011-11-29 2012-08-01 罗良宜 新型空气能等温发动机
CN103557088A (zh) * 2013-11-06 2014-02-05 龚炳新 新型斯特林热机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3512371B2 (ja) * 2000-06-19 2004-03-29 松下電器産業株式会社 リニア圧縮機
JP2003148339A (ja) * 2001-11-15 2003-05-21 Matsushita Electric Ind Co Ltd リニア圧縮機
JP3667328B2 (ja) * 2003-07-08 2005-07-06 シャープ株式会社 スターリング機関
CN101509437B (zh) * 2009-03-24 2011-10-05 哈尔滨翔凯科技发展有限公司 高效高温型外燃机
CN103104369B (zh) * 2012-01-27 2015-07-29 摩尔动力(北京)技术股份有限公司 一种涡轮配气热气机
CN103174544A (zh) * 2012-03-04 2013-06-26 摩尔动力(北京)技术股份有限公司 冷源做功热气机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5987886A (en) * 1996-11-15 1999-11-23 Sanyo Electric Co., Ltd. Stirling cycle engine
JP2006112260A (ja) * 2004-10-13 2006-04-27 Daikin Ind Ltd 熱音響エンジン
CN1991155A (zh) * 2005-12-29 2007-07-04 陈茂盛 热气机装置及其制造方法
WO2010037358A1 (fr) * 2008-09-30 2010-04-08 Institut Für Luft- Und Kältetechnik Gemeinnützige Gmbh Système d'échappement pour véhicules automobiles comprenant un moteur thermique intégré
CN102062015A (zh) * 2011-01-18 2011-05-18 黄锦峰 一种新型斯特林发动机
CN202360158U (zh) * 2011-11-29 2012-08-01 罗良宜 新型空气能等温发动机
CN103557088A (zh) * 2013-11-06 2014-02-05 龚炳新 新型斯特林热机

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CN103557088A (zh) 2014-02-05

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