Matches 51 - 100 out of 186 < 1 2 3 4 >
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5094083 Stirling cycle air conditioning system  
An environmentally safe cooling system employing a non-freon base Stirling cycle cooler whereby a collant is cooled in a heat exchanger, circulated to a remote location to a set of refrigeration...
5077976 Stirling engine using hydraulic connecting rod  
A Stirling engine having a configuration which allow spatial separation of the heaters and coolers. The engine includes four cylinders with passageways connecting the cylinders such that a direct...
5076058 Heat transfer head for a Stirling cycle machine  
A common heat acceptor is provided between opposed displacers in a Stirling cycle machine. It includes two sets of open channels in separate fluid communications with the expansion spaces of the...
4996841 Stirling cycle heat pump for heating and/or cooling systems  
Stirling cycle heat engine adapted for use as space heating and/or air conditioners. One embodiment features a Stirling engine prime mover providing a hybrid Stirling machine. Another embodiment...
4977742 Stirling engine with integrated gas combustor  
A Stirling engine having multiple cylinders arranged in a square cluster with a gas combustor devices for each cylinder integrated into the engine. The combustor devices include individual...
4897997 Shell and tube heat pipe condenser  
An improved conduit assembly for coupling a heat pipe evaporator with a Stirling engine heat exchanger. The conduit assembly features a cylindrical main tube section connected to a flared shell...
4819432 Installation for harnessing thermal energy  
In an installation for harnessing thermal energy, in which in a first part of an operating cycle the working fluid is positively displaced out of a first chamber into a second chamber, in which a...
4779421 Hot gas engine  
A hot gas engine which uses elliptical members in place of gears or connecting rod linkages to couple the reciprocating pistons to the central shaft of the machine, thereby reducing friction and...
4768342 Heater head for a Stirling engine  
A Stirling engine heater head is constructed to provide an annular heat exchange region defined between a pressure vessel sidewall and the engine displacer cylinder. From an external manifold,...
4753073 Stirling cycle rotary engine  
An improved rotary engine (10) utilizing essentially the Stirling cycle is provided having at least three rotors (12, 34, 56) each separately rotatable within a toroidal housing cavity (15) and...
4732000 Output control apparatus for stirling engines  
A Stirling engine control apparatus includes a pressure reducing valve provided in a maximum cycle pressure line connecting a working space to a working gas compressor via a first check valve, a...
4723410 Safety improvements in high pressure thermal machines  
In a stirling cycle machine a shell means enclosing the machine body for maintaining a substantially sealed atmosphere about the machine body. A diffuser arranged between the machine body and the...
4723411 Power conversion system utilizing multiple stirling engine modules  
A power conversion system is constructed of a plurality of identical Stirling engine modules paired off in opposed, aligned relation with their respective expansion spaces in juxtaposition. Two...
4719755 Stirling engine  
A Stirling engine which has an expansion cylinder and a compression cylinder with an expansion piston and a compression piston, respectively, that have a fixed phase difference between them, where...
4712378 Driving apparatus for stirling cycle engine  
A driving apparatus for a Stirling cycle engine is disclosed. The engine has a diaphragm on a rod connecting each compression piston and a driving mechanism. The diaphragm separates a space of the...
4698970 Stirling cycle type engine  
A Stirling cycle type engine having five cylinders annularly and equiangularly arranged is disclosed. The expansion chamber of one cylinder is connected to the compression chamber of an adjacent...
4691515 Hot gas engine operating in accordance with the stirling principle  
A hot gas engine operating with a Stirling cycle includes a cylindrical space filled with a process gas and containing one or two working pistons and one or two displacement pistons moveable...
4677825 Thermomotor  
A Stirling cycle engine of unique mechanical arrangement which operates on a principle similar to that of a planetary gear, the orbital members being the displacer shaft, piston crankshafts and...
4676067 Maximized thermal efficiency crank driven hot gas engine  
An improved crank driven reciprocating piston hot gas engine in which virtually the entire working gas mass performs the same Ericsson cycle loop, thereby achieving maximized thermal efficiency....
4665700 Hot gas engine heater head  
A heater head for a multi-cylinder double-acting hot gas engine of the type having an annular regenerator surrounding each cylinder is provided with tubes connecting each cylinder with its...
4638633 External combustion engines  
A Stirling type thermal engine is disclosed in which the engine is sealed within an outer shell enclosure which maintains the engine components in an axially compressed state to thereby simplifying...
4625514 Heater head assembly of heated-gas engine  
A heater head assembly for a Stirling-type engine has a cylinder and a regenerator housing each of which includes a manifold as an integral part thereof, and heater tubes inserted at one end into...
4616479 Power control system for a double-acting hot gas engine  
The invention relates to a power control system for a hot gas engine in which the power depends on the mean working gas pressure in the engine. Said engine is of the type having an even number of...
4601171 Control apparatus for hot gas engine  
A mean pressure power control system for a hot gas (Stirling) engine utilizing a plurality of supply tanks for storing a working gas at different pressures. During pump down operations gas is bled...
4578950 Double-acting rotary mechanism for combustion engines and the like  
An improved mechanism having a housing defining a gas pressure sustaining chamber for an engine, compressor, or the like, including a double-acting movable partition within the chamber providing...
4545205 Stirling cycle or compressor-type thermal engine having a power source positioned externally to or internally to its cylinders  
A thermal engine with a power source located either externally or internally to its cylinders, such as a compressor or Stirling cycle engine. The engine includes a plurality of chambers in each...
4532767 Engine compressor having a stirling cycle engine  
An engine-compressor comprising a stirling engine which includes a plurality of working cylinders, a plurality of working pistons respectively disposed in the working cylinders for axial...
4532855 Two-part drive shaft for thermal engine  
An improved construction for a thermal engine, particularly a Stirling engine, comprising a two-part drive shaft. One part of the drive shaft contains the swashplate mechanism and is journaled on...
4532819 Compact crank drive mechanism  
A crankdrive mechanism for the two piston Stirling engine which greatly reduces engine size and weight without increasing complexity or decreasing mechanical efficiency. A single throw crankshaft...
4524583 Stirling engine  
A Stirling engine has power transmitting connecting rods which slideably extend through diametral apertures in the pistons. A double-acting Stirling engine having center-actuated pistons eliminates...
4522030 Multi-cylinder hot gas engine  
A multi-cylinder hot gas engine having an equal angle, V-shaped engine block in which two banks of parallel, equal length, equally sized cylinders are formed together with annular...
4511805 Convertor for thermal energy into electrical energy using Stirling motor and integral electrical generator  
The present invention relates to external combustion engines and more precisely to motors using the Stirling cycle designed to directly convert thermal energy into electrical energy. In accordance...
4499726 Heater head for a multi-cylinder hot gas engine  
A heater head of a multi-cylinder hot gas engine having an annular regenerator housing surrounding each cylinder is provided with three manifolds at the top of each cylinder-regenerator housing...
4499727 Hot gas engine  
In a hot gas engine of the type in which a number of working gas charges are separated from each other by an equal number of pistons each mounted slidably in a cylinder the said pistons are forming...
4498298 Stirling cycle piston engine  
This device is an improvement over the conventional type of Stirling cycle engine where the expander piston is connected to a crankshaft and the displacer piston is connected to the same or another...
4498297 Heat exchanger module for Stirling engines  
The invention relates to Stirling engines and provides a modular assembly composed of a cylinder head, a heater, a regenerator, a cooler and a cold duct, and making it possible by mounting a...
4495771 Stirling-cycle engine  
A stirling cycle engine, especially for refrigerating motors, comprising a housing in which are assembled a rotating shaft, at least three working cylinders arranged in parallel round the shaft, a...
4487020 Power control for heat engines  
A power control arrangement for a Stirling engine includes a sleeve mounted in each cylinder for axial movement and a port in the sleeve leading to a dead space. The port is covered by the piston...
4485627 Solar energy conversion plant  
A solar energy conversion plant is composed of a number of conversion units. Each unit is a hot gas engine coupled to a generator. All hot gas engines are connected to common tube mains one of...
4474003 Gas compressor for a hot gas engine  
A gas compressor for compressing working gas of a hot gas engine is using the oscillating pressure of a working gas charge for acting upon the large diameter piston of a differential piston the...
4472938 Multi-cylinder, double-acting hot gas engine  
In a hot gas engine the cold gas connection duct between the low temperature variable volume chamber of one cylinder and an adjacent cooler surrounding another cylinder is divided into several...
4439985 Power transmission for a Stirling hot gas engine  
An improved transmission from linear power to rotary power in a Stirling heat engine having at least one cylinder with power and displacement pistons linearly operable therein. The power and...
4428197 Stirling mechanical arrangements especially for double-acting pistons  
Stirling engines (10; 150) and other Stirling devices especially of the type incorporating double-acting pistons (41; 168, 170) are simplified, more easily sealed, reduced in overall size and...
4422292 Closed cycle in-line double-acting hot gas engine  
A closed cycle in-line double-acting hot gas engine designed such that an ordinary crankshaft can be used without the need of special jigs and tools. The hot gas engine according to the present...
4417444 Stirling cycle engine  
In a Stirling cycle engine having a plurality of working gas charges separated by pistons reciprocating in cylinders, the total gas content is minimized and the mean pressure equalization among the...
4412552 Method of controlling inlet valves of compression reactor and device for effecting same  
A method of controlling inlet valves of a compression reactor consists in that in the process of operation of the reactor 1 pressure in its working spaces 4, 5 and supply lines 7, 6 is continuously...
4407123 Hot gas Stirling cycle piston engine  
A hot gas toroidal, oscillating, close coupled Stirling cycle piston engine, whereby a gas is heated in an external combustion system and expanded in a hot cylinder. Thus, the expanding gas moves...
4395881 Stirling engine power control  
A power control method and apparatus for a Stirling engine including a valved duct connected to the junction of the regenerator and the cooler and running to a bypass chamber connected between the...
4395880 Double acting stirling engine phase control  
A mechanical device for effecting a phase change between the expansion and compression volumes of a double-acting Stirling engine uses helical elements which produce opposite rotation of a pair of...
4392350 Stirling engine power control and motion conversion mechanism  
A motion conversion device for converting between the reciprocating motion of the pistons in a Stirling engine and the rotating motion of its output shaft, and for changing the stroke and phase of...
Matches 51 - 100 out of 186 < 1 2 3 4 >