Class 60/522 - Having means to control rate of flow of mass between chambers

Subclass of Class 60 - Power plants
Definition: Apparatus provided with means adapted to control the rate
No. of patents: 36
Last issue date: 04/17/2012

Number	Title	Issue Date
8156739	Adiabatic expansion heat engine and method of operating In an adiabatic expansion heat engine, adiabatically expanded low pressure fluid is returned to a source of high pressure fluid through a balance of internal pressures or forces that balances out the resistance to the flow of the fluid being pumped from the low pres...	04/17/2012
7310945	Work-space pressure regulator A device and method for equalizing the pressure between work-space and crankcase in a pressurized engine, such as a Stirling engine. The device consists of a two-way valve connected between the work-space and the crankcase. The valve is connected to the work-space w...	12/25/2007
7296408	Heat engine The heart of a heat engine is a reciprocating expansion chamber, which converts heat from a hot fluid into mechanical work. The expansion chamber utilizes a refrigerant in a liquid state as an input, and heats and expands the refrigerant to move pistons and generate...	11/20/2007
7257949	Stirling engine Through stroke control whereby the stroke of a piston is detected and controlled to be equal to a target stroke, the piston is prevented from colliding with a displacer, and the refrigerating performance of a Stirling refrigerator is enhanced. Different target strok...	08/21/2007
7254959	Joule-Thomson effect air conditioner using air as the refrigerant An air conditioning system has a compressor for generating compressed air that is delivered to Joule-Thomson orifice with the compressed air flowing therethrough becoming refrigerant air sent through a heat exchanger. The heat exchanger is defined by triangular tube...	08/14/2007
7137251	Channelized stratified regenerator with integrated heat exchangers system and method A channelized stratified regenerator with integrated heat exchangers are disclosed using micromachining to precisely construct structural geometries, such as fins and axial stratification of material to be used in a Stirling cycle based system. In operation, a worki...	11/21/2006
7089735	Channelized stratified regenerator system and method A channelized stratified regenerator with integrated heat exchangers are disclosed using micromachining to precisely construct structural geometries, such as fins and axial stratification of material to be used in a Stirling cycle based system. In operation, a worki...	08/15/2006
7028476	Afterburning, recuperated, positive displacement engine The invention is a positive displacement heat engine; where the engine cycle comprises the steps of Ericsson (isothermal) compression, recuperative heat addition, Brayton (adiabatic) expansion, and recuperative heat removal; whose principle is heat addition to the c...	04/18/2006
6971236	Domestic combined heat and power unit A DCHP unit with a Stirling engine (1), a burner (3) and a supplementary burner (11). Water is heated by exhaust gas from the Stirling engine and from the supplementary burner. If a sensor (18) detects that the water temperature has risen...	12/06/2005
6968688	Two-cycle hot-gas engine A two-cycle hot-gas engine comprising an expansion piston in a heatable cylinder member and a compression piston in a coolable cylinder member. The expansion piston and the compression piston are disposed along a common axis. ...	11/29/2005
6945043	Stirling engine, and stirling refrigerator A Stirling engine comprises a first porous body having a large hole diameter, a second porous body having a small hole diameter and a ring for fixing the first porous body and the second porous body in a pressurization chamber inside a gas outlet closer to the press...	09/20/2005
6871495	Thermal cycle engine boost bridge power interface A system and method for controlling a thermal dynamic cycle engine, such as a Stirling engine. The system includes a controller able to execute a program to alter certain aspects of the system to provide for a maximum power transfer and substantially stall free star...	03/29/2005
6857260	Thermal improvements for an external combustion engine An external combustion engine having an exhaust flow diverter for directing the flow of an exhaust gas. The external combustion engine has a heater head having a plurality of heater tubes through which a working fluid is heated by conduction. The exhaust flow divert...	02/22/2005
6755021	On-board hydrogen gas production system for stirling engines A hydrogen production system for use in connection with Stirling engines. The production system generates hydrogen working gas and periodically supplies it to the Stirling engine as its working fluid in instances where loss of such working fluid occurs through usage...	06/29/2004
6705081	System and method for sensor control of the fuel-air ratio in a burner A method for controlling the fuel-air ratio of a burner having a blower responsive to a blower drive signal for injecting air into the burner. The method is based at least on the concentration of a gas in an exhaust gas product of a combustion chamber of the burner ...	03/16/2004
6543215	Thermal improvements for an external combustion engine An external combustion engine having an exhaust flow diverter for directing the flow of an exhaust gas. The external combustion engine has a heater head having a plurality of heater tubes through which a working fluid is heated by conduction. The exhaust ...	04/08/2003
6385972	Thermoacoustic resonator A Thermo-Acoustic Resonator (TAR) is a miniature thermoacoustic heat pump and thermal-electric generator that is typically imbedded in a thermoplastic or metal package. The TAR converts a thermal gradient into electrical energy. It can range in size from ...	05/14/2002
6338248	Heating and refrigerating machine, especially a vuilleumier heat pump or a stirling engine A heating and refrigerating machine, especially a Vuilleumier heat pump or Stirling engine, in which a gas-air mixture is combusted in a combustion chamber and the exhaust gas radiates thermal energy to a heater head, which functions as a housing for the ...	01/15/2002
6336326	Apparatus for cooling a heat engine A heat engine is constructed from sheet metal and the like. The heat engine has an outer container and inner container which contains a displacer and a power piston. A plurality of positioning members are provided to dimensionally stabilize the inner and ...	01/08/2002
6332319	Exterior cooling for a heat engine A heat engine is constructed from sheet metal and the like. The heat engine has an outer container and inner container which contains a displacer and a power piston. A plurality of positioning members are provided to dimensionally stabilize the inner and ...	12/25/2001
6311491	Heat engine A heat engine is constructed from sheet metal and the like. The heat engine has an outer container and inner container which contains a displacer and a power piston. A plurality of positioning members are provided to dimensionally stabilize the inner and ...	11/06/2001
6247310	System and method for control of fuel and air delivery in a burner of a thermal-cycle engine A method of combusting fuel and air in a burner of an external combustion engine having a heater head. The fuel and air are combined to form a fuel-air mixture which is characterized by a fuel-air ratio. An exhaust gas product is produced when the fuel-ai...	06/19/2001
6226990	Heat engine An apparatus for providing cooling has a heat engine in which the cycle profile of at least one of the displacer and the piston is variable for to provide efficient cooling at various temperature differences....	05/08/2001
6094912	Apparatus and method for adaptively controlling moving members within a closed cycle thermal regenerative machine An apparatus and method are provided for adaptively controlling a closed-cycle thermal regenerative machine. The apparatus includes a housing having at least one chamber for containing a thermodynamic working gas, a linear motor associated with the housin...	08/01/2000
6032464	Traveling-wave device with mass flux suppression A traveling-wave device is provided with the conventional moving pistons eliminated. Acoustic energy circulates in a direction through a fluid within a torus. A side branch may be connected to the torus for transferring acoustic energy into or out of the ...	03/07/2000
4926639	Sibling cycle piston and valving method A double-acting, rotating piston reciprocating in a cylinder with the motion of the piston providing the valving action of the Sibling Cycle through the medium of passages between the piston and cylinder wall. The rotating piston contains regenerators por...	05/22/1990
4856280	Apparatus and method for the speed or power control of stirling type machines The invention comprises both apparatus and an accompanying method for the controlling of the speed, stroke and power output of a Stirling engine. The invention positions a valving arrangement to control the working gas flow within a gas flow passage conne...	08/15/1989
4774808	Displacer arrangement for external combustion engines An external combustion engine is provided with an engine body containing a cylinder, a working fluid within the cylinder, and a displacer piston reciprocable between two ends of the cylinder. A heat exchanger matrix permeable to said working fluid is prov...	10/04/1988
4622813	Stirling cycle engine and heat pump Novel hot gas engines and heat pumps are provided which operate on an improved cycle related to the Stirling cycle. These hot gas engines and heat pumps use at least two separate heat exchanger assemblies and a plurality of valves to control fluid flow th...	11/18/1986
4382362	External combustion engine A Stirling cycle engine having a reciprocating power piston and a reciprocating displacer operating in cylinders having ports covered and uncovered by the motion of the piston and displacer. Ports of the power piston cylinder are connected to ports of the...	05/10/1983
4327550	Thermodynamic machine A hot-gas engine the power output of which is regulatable comprises a cylinder defining variable-volume primary and secondary chambers separated by a piston moving in the cylinder, the movement of which piston is transmitted to an external system extracti...	05/04/1982
4241580	Stirling engine A closed fluid working system for a Stirling engine is disclosed. The working system has a plurality of chambers subdivided by double-acting pistons operating therein; the subdivided chambers are respectively hot and cold and connected in series whereby a...	12/30/1980
4180984	Cryogenic apparatus having means to coordinate displacer motion with fluid control means regardless of the direction of rotation of the drive shaft In a cryogenic apparatus wherein the refrigerator has a reciprocable displacer which must be coordinated with fluid control means, such as a rotary valve, to control the inlet and exhausting of high and low pressure fluid, respectively, to produce cooling...	01/01/1980
4045978	Hot-gas reciprocating machine A hot-gas reciprocating machine having a plurality of working spaces connected via ducts to a common control member for controlling working medium flows to the working spaces from a source of pressurized working medium. The control member comprises a stat...	09/06/1977
3990239	Hot gas piston engine A hot gas piston engine with an output control which is realized by changing the working medium quantity participating in the working process and with at least one working system, to the working volume of which is coordinated an auxiliary system, in which...	11/09/1976
3940933	Method for regulating the output of a stirling-type hot gas engine and device for the same Commercial exploitation of the closed-cycle Stirling engine has been delayed because of inherent difficulties in controlling the engine output instantaneously. The disclosed invention presents a method and a device for intermittent power control of a Stir...	03/02/1976

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Class 60/522 - Having means to control rate of flow of mass between chambers