Matches 1 - 50 out of 186 1 2 3 4 >
Match Document Document Title
7610756 Cooling/heating apparatus and mounting apparatus  
A cooling/heating apparatus for circulating the cooled or heated transfer medium to a load to thereby cool or heat the load includes a heat transfer medium circulation path and a Stirling heat...
7584613 Thermal engine utilizing isothermal piston timing for automatic, self-regulating, speed control  
A method and apparatus for converting thermal energy to mechanical energy. Operating on a thermodynamic cycle of isentropic compression, isothermal expansion, isentropic expansion and finally...
7549289 Hybrid engine  
A rotary Wankel-Stirling machine operating upon a compressible working fluid, having a rotary expander having a hot side housing with a heat input interface, a hot side rotor having rotor passages...
7547539 Reaction apparatus for organic and/or other substances employing supercritical fluid or subcritical fluid  
Disclosed is a reaction apparatus for organic and/or other substance(s) employing supercritical fluid(s) and/or subcritical fluid(s) permitting injection of organic substance(s) and/or other...
7484366 Multistage stirling engine  
A multistage Stirling engine 1 mounted on an automobile provided with an internal combustion engine has two cylinders 4 and 5 . Displacer pistons 6 and 7 and power pistons 8 and 9 are...
7377107 Cogeneration system  
A Stirling engine-equipped cogeneration system is capable of utilizing thermal energy, without waste, and of offering high thermal usage efficiency at every stage of the thermal energy utilization...
7284372 Method and apparatus for converting thermal energy to mechanical energy  
A method and apparatus for converting thermal energy to mechanical energy which can use a wide range of fuels and perform with a high efficiency. Operating on a little utilized thermodynamic cycle...
7194858 Hydrogen equalization system for double-acting stirling engine  
A working gas pressure equalization system for a multiple-cylinder, double-acting hot gas engine such as a Stirling engine of the type having a plurality of pistons reciprocatable within the...
7178502 Balanced rotary internal combustion engine or cycling volume machine  
A balanced rotary cycling machine suitable for use as an internal combustion engine, compressed gas or steam engine, compressor or pump is disclosed herein. The rotor assembly consists of four...
7178324 External combustion engine  
An external combustion engine comprises a compressor assembly, a heater assembly, an expander assembly, a cooler assembly, and auxiliary systems. The preferred embodiment of this invention uses...
7171811 Multiple-cylinder, free-piston, alpha configured stirling engines and heat pumps with stepped pistons  
An improved, free-piston, Stirling machine having at least three pistons series connected in an alpha Stirling configuration. Each cylinder is stepped so that it has a relatively larger diameter...
7152404 Power unit with reciprocating linear movement based on stirling motor, and method used in said power plant  
The invention concerns a reciprocating linear movement power unit. The powering element consists of a Stirling heat engine and the generator consists of a piston ( 1 ) and displacers ( 2,3 ) of the...
7134279 Double acting thermodynamically resonant free-piston multicylinder stirling system and method  
Present implementations provide an approach that allows for a double-acting, multi-cylinder, thermodynamically resonant, alpha configuration free-piston Stirling system. The system includes...
7076941 Externally heated engine  
An externally heated engine is provided which has at least two pistons. The first piston has a first side (working side) and a second side opposite the first side. The first side of the first...
7043909 Beta type stirling cycle device  
A coaxial Beta type Stirling cycle device, having a power piston and a displacer coaxially positioned in series within an enclosing cylinder. The power piston and power piston shaft have an opening...
6978612 Utility device having hydraulic circuit for multi-function valve  
A utility vehicle or other utility device includes a hydraulic circuit that enhances operative capabilities of utility mechanisms with multiple hydraulic functionality. In some embodiments,...
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...
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...
6877314 Stirling motor and heat pump  
Stirling engine which may be used as a heat pump, which consists of a hot half and a cold half. Both halves are connected by two lines which constitute a counterflow heat exahnger or in which a...
6779341 Method and apparatus for generating kinetic energy from thermal energy  
In a method and apparatus for generating kinetic energy, thermal energy is applied to a cylinder body of a first pneumatic cylinder to result in an expansion stroke of the first pneumatic cylinder...
6729131 Stirling engine  
A Stirling engine ( 10, 50, 72 ) comprising at least one working piston ( 52 ) and at least one displacement piston ( 4 ), wherein for a power control by the transmission of the linear movement of...
6701709 Cylindrical cam stirling engine drive  
A Stirling engine includes a grooved cam drive mechanism with followers having a pair of longitudinally displaced bearings. One roller bearing is adapted to ride along an upper surface of the cam...
6487858 Method and apparatus for diminishing the consumption of fuel and converting reciprocal piston motion into rotary motion  
An apparatus for converting between reciprocal piston motion and rotary shaft motion. A unique H-shaped piston rod configuration and corresponding cylinder assembly for improving the efficiency of...
6253550 Folded guide link stirling engine  
A folded linkage for coupling a crankshaft and a piston undergoing reciprocating linear motion along a longitudinal axis. The folded linkage has a guide link with a first end coupled to the piston....
6195992 Stirling cycle engine  
A Stirling cycle engine having two chambers (formed by 12-14, or 12, 15 and 16) containing a working fluid and rotatable rotor disks (10, 11) coupled to a common output power shaft (3). Each...
6065289 Fluid displacement apparatus and method  
The present invention relates generally to fluid displacement apparatuses and methods. The inventive apparatus comprises: a housing having an interior space; a crankpin positionable in the interior...
6029449 Heat and cold-generating machine  
A hot and cold engine operating based on a regenerative gas cyclical process, with at least two pistons (2, 3), which separate at least three processing chambers (4, 6, 7) with an in-line...
5916140 Hydraulic engine powered by introduction and removal of heat from a working fluid  
A thermal hydraulic engine including a frame. A working fluid changes volume with changes in temperature. A working fluid container houses the working fluid. A cylinder secured to the frame...
5884481 Heat engine heater assembly  
A heater assembly for a heat engine designed to utilize solar energy and heat produced by combustion of a fuel such as natural gas. A receiver housing allows concentrated solar energy to be...
5850111 Free piston variable-stroke linear-alternator generator  
A free-piston variable stroke linear-alternator AC power generator for a combustion engine. An alternator mechanism and oscillator system generates AC current. The oscillation system includes two...
5813229 Pressure relief system for stirling engine  
A pressure relief system for a multi-cylinder heat engine, such as a multi-cylinder Stirling engine, having at least two essentially discrete working gas volumes which experience out of phase...
5737924 Gas compressor expander  
The weight of crank mechanism portion is reduced and driving force efficiency is improved by reducing in the friction loss in the driving force on the side of a compression piston. A gas compressor...
5735123 Energy generating system  
In an energy generating system, which is preferably suitable for satellites and space stations, a total of four Stirling engines are assembled together into a cross-shaped unit, at the center of...
5706659 Modular construction stirling engine  
A Stirling engine having a modular construction including a drive case and a cylinder block with generally flat mounting surfaces that face each other. The cylinder block includes cylinder bores...
5611201 Stirling engine  
A Stirling engine having multiple mutually parallel cylinders which operate in a double acting cycle configuration. The engine includes a drivecase having a rotatable driveshaft coupled to the...
5456076 Balanced compound engine  
A balanced compound, regenerative cycle, external heat source engine is mad by using mechanically double acting rigidly affixed and self-aligned reciprocating opposed piston and cylinder structure...
5394700 Stirling engine with ganged cylinders and counter rotational operating capability  
A Stirling cycle engine having its cylinders ganged together by connecting through a cross connect passage and valve the cold variable volume chamber of one cylinder with the compression chamber of...
5390496 Stirling engine with annular cam  
The Stirling engine uses an annular cam for converting the reciprocating movements of the pistons of the engine in a rotating movement. The annular cam is concentric with the engine block and...
5345765 Stirling engines  
A stirling engine with mechanical output through a main shaft (71) has piston(s) (44) reciprocable in cylinder bore(s) (41). Each piston is guided on a fixed piston guide (52) which extends into...
5343704 Double-headed and swash plate type stirling engine  
A double-headed swash plate type Stirling engine includes double headed pistons defining front spaces and rear spaces and anchored to the swash plate by shoes. Thus, the reciprocal movement of the...
5337562 Stirling engine  
In a Stirling engine having a housing chamber (1) which is divided by a reciprocating gas-permeable regenerator plate (4) into two part chambers (6, 7), of which one can be heated and the second is...
5329768 Magnoelectric resonance engine  
The present invention relates to a magnetoelectric resonance engine combining in its construction and operation an Alpha-type Stirling cycle thermal machine and a magnetoelectric resonance...
5309716 Rotary pump or engine with spherical body  
There is disclosed a rotary pump or engine or compressor or expander comprising a spherical cavity divided by a pivotable disc into two sections. First and second wedges are pivotally connected at...
5233966 Combustion engine of high efficiency  
Combustion engine of high efficiency comprising two cylinders with a channel between them, each cylinder containing a sliding piston, said pistons being coupled such that they move synchronously...
5211017 External combustion rotary engine  
An external combustion rotary engine having a configuration which allows spatial separation of the heaters and coolers, and a process which enables rotary motion of the rotors to be performed...
5195321 Liquid piston heat engine  
This heat engine, uses a Stirling cycle design, wherein a cold exchanger section of a cylinder and a hot exchanger section of the same cylinder are attached to an axis in an off-center positioned....
5177968 Radial hot gas engine  
A radial, hot-gas engine which derives the necessary phase angle between hot and cold cylinders by locating them ninety degrees apart around the circumference of the crankcase, thereby eliminating...
5134848 Stirling cycle apparatus  
A stirling cycle apparatus having a buffer connecting the compressor piston back room with the expansion piston back room. The apparatus also has a diaphragm which divides the buffer and the crank...
5113656 External combustion engine and heat pump  
In an engine based on the Stirling cycle the individual hot side and cold side cylinders typically used in conventional Stirling engines are subdivided into a cluster of parallel cylinders of...
5109673 Relative gas spring configuration free-piston stirling cycle system  
A Free-Piston Stirling cycle system includes a cylinder arranged within a sealed, pressurized housing. A power piston is arranged for reciprocation within or about one region of the cylinder, and a...
Matches 1 - 50 out of 186 1 2 3 4 >