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Match Document Document Title
8844473 Gradual oxidation with reciprocating engine  
Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature...
8677730 Low-temperature motor compressor unit with continuous “cold” combustion at constant pressure and with active chamber  
Low-temperature, continuous “cold” combustion, constant pressure, active chamber motor-compressor unit operating with working compressed air and using a piston travel control device as well as an...
8567178 Positive displacement rotary vane engine  
The present invention is an engine, which includes a positive displacement compression process, a variably fueled, continuous combustor and/or heat exchanger, and a positive displacement,...
8555611 Combustion engine with feedback gear/rotary pump input  
A combustion engine, which is highly efficient, noiseless and lightweight, includes a combustion chamber without pistons. The combusted and expanded air exiting the combustion chamber flows into a...
8490380 Internal continuous combustion engine system  
A continuous combustion system for an internal combustion engine includes a reaction vessel external to the engine cylinders. The reaction vessel contains a combustion chamber for sustaining...
8448417 Pistonless, rotary internal combustion engine and associated support systems  
A stationary crankshaft, cylindrical rotor, low friction, adjustable timing, pistonless, rotary internal combustion engine. A cylindrical rotor rotates freely about a stator, also cylindrical in...
7765785 Combustion engine  
A combustion engine that has at least a plurality of power strokes during a complete cycle of engine operation that is of compact packaging and Brayton cycle operable. In a preferred embodiment, a...
7140182 Energy storing engine  
The Energy Storing Engine is the mechanization of a hot air engine cycle. Constant temperature compression is achieved by using a multi-stage-intercooled compressor. Energy is stored in a...
7013633 External combustion thermal engine  
An engine block has one or more cylinders with associated pistons connected to turn a crankshaft. A distributor housing mounted on the block has a base with one or more first ports that open into...
6993897 Internal combustion engine of open-closet cycle and binary fluid  
An engine is disclosed. This invention is a multi-fuel oil-free engine for surface vehicles. With only one cycle and two fluids, air in an open cycle and water in a closed cycle, these fluids...
6886326 Quasi-isothermal brayton cycle engine  
An engine includes a compressor, and combustor, and an expander. The compressor compresses ambient air. The combustor burns the compressed air, and produces exhaust gasses. The expander receives...
6622471 Method for driving a combustion motor as well as a combustion motor  
A method for driving a combustion motor has the following procedural steps: cyclical combustion of a fuel in a combustion chamber (7);letting hot pressurized combustion gas created during the...
6412273 Continuous-combustion piston engine  
In a continuous-combustion piston engine in which working mediums flowing out of a combustion chamber is successively fed to at least two cylinders, each of the cylinders is stationary in...
6216444 Combustion engine  
This invention pertains to a combustion engine having a combustion chamber (1, 201), which has an ignition device, for the combustion of a fuel with formation of a combustion gas during an...
6092365 Heat engine  
A heat engine is optimized for maximum efficiency for use as an automotive powerplant. The engine is composed of a separate variable induction compressor, a compressed air accumulator, a...
6012280 Reciprocating engine  
A reciprocating engine (10) comprises separate cylinders (12 and 15) for air compression and expansion with heating of the compressed air taking place in a heat exchanger (17) or combustor (64)...
5964087 External combustion engine  
This invention refers to an engine that has the advantage over the internal combustion engines currently in use, that it substantially reduces the emission of contaminants of carbon monoxide,...
5682738 Heat engines and waste destruction mechanism  
A heat engine for the disposal of organic wastes and method of using the same. The invention includes structure for mixing the organic wastes, a substantially isentropic compression device, a...
5507142 Hybrid steam engine  
A hybrid steam engine device which has a rotor fixed between two end plates with rotor shaft bearings which allow the rotor to move freely about its axis. A pair of guide bars rigidly connect one...
5497614 External combustion engine having an asymmetrical cam and method of operation  
An external combustion engine having an asymmetrical cam. The engine incls a combustion chamber for generating a high-pressure, energized gas from a monopropellant fuel and an even number of...
5285633 Coolant subsystem for a torpedo propulsion system  
A coolant subsystem for a torpedo propulsion system having an external costion expansion engine. The coolant subsystem includes a valve which provides for one-way flow through the coolant...
5253473 Heat regenerative external combustion engine  
A heat regenerative external combustion engine is disclosed herein. The ene includes fuel inlet means which extends along the exhaust passage and/or combustion chamber in order to preheat the...
5074110 Combustion engine  
A combustion engine comprising of a piston and cylinder assembly wherein the cylinder receives hot gasses emitted from a combustion chamber, the hot gasses being generated from the combustion of...
4876850 Combustion engine for solid block fuel  
A combustion engine has a compressor, an expander and a combustion chamber for burning fuel in hot air. The fuel is preferred to be a prepared block of powdered, cleaned and compressed coal. The...
4864814 Continuous combustion heat engine  
Continuous combustion heat engine including a compressor (12), combustor (14) and expander (16) which operates on a Brayton cycle with positive displacement pistons (90) in the compressor and...
4653269 Heat engine  
A heat engine with a compressor, an external combustion chamber from which combustion gases pass through suitable valving to an expander, an air compressor, a heat exchanger where exhaust gases...
4531360 Rotating cylinder external combustion engine  
A general purpose fluid displacement device for use as an external combustion engine, a compound expansion engine, a hydraulic pump, or as an air compressor. At least one bank of circumferentially...
4490971 Method for regulating the operating cycle in an external combustion engine  
An engine having a working chamber and a combustion chamber and a method for operating it are disclosed. The amount and compression ratio of air entering the combustion chamber are controlled by...
4478135 Rotating cylinder continuous external combustion engine  
A general purpose fluid displacement device for use as an external combustion engine, a compound expansion engine, a hydraulic pump, or as an air compressor. At least one bank of circumferentially...
4336686 Constant volume, continuous external combustion rotary engine with piston compressor and expander  
Constant volume, continuous external combustion rotary engine which incorporates at least one radial piston compressor, at least one continuous-combustion chamber, at least one radial piston...
4215533 Rotary expander engine  
A low noise, high power, light weight, compact rotary expander engine of Wankel type which features minimum unbalanced forces and elimination of balance weights because its rotating parts rotate...
4215534 Cooling system for an expander engine  
A cooling system for a low noise, high power, light weight, compact rotary xpander engine of the Wankel type having two hot zones at the operating temperatures wherein a coolant path is provided...
4212162 Constant combustion engine  
A constant combustion engine wherein the air and the fuel are mixed at a predetermined air-fuel ratio, ignited and burned; the water is injected into the combustion products to generate the...
4212163 Heat engine  
A heat engine which the steady burning of liquid or gaseous fuel in a combustion chamber, external to the engine cylinders, is converted to mechanical work by means of expansion of the combustion...
4201047 Low emission combustors  
A new and improved low emission combustor comprises a plurality of concentric cylindrical shells spaced radially to provide air supply and cooling passages and a primary fuel supply means disposed...
4179879 Automatic steam pressure generator  
An automatic steam pressure generator comprises compression means to compress ambient air, power means to power the compression means, an air receiving tank to store the compressed air, continuous...
4133172 Modified Ericsson cycle engine  
A modified Ericsson cycle engine, the operating cycle of which involves sequential modes of substantially adiabatic compression, constant pressure heat addition, constant temperature expansion,...
4122669 Single stage or multi-stage expansion engine  
An expansion engine having a cylinder with a piston and a head provided with a housing in which the housing is subdivided by a partition into a first chamber and a second chamber. The first...
4106285 Method for regulating the driving power of an expansion engine and expansion engine for carrying out this process  
A method for controlling the driving power of an expansion engine and an expansion device for carrying out said method, said expansion device being driven by the combustion gases of a separate...
4096689 Heating chamber seal provided in a heating chamber combustion engine  
A heating chamber seal is provided for a heating chamber combustion engine. A piston is provided with an extension on the flat bottom of the piston which towers upwardly and during the upstroke...
4089162 Accommodating device for thermal transient expansions  
An accommodating device for thermal transient expansions in an expander ene wherein a configured valve support includes a spring-nut arrangement for controlling and minimizing the force changes...
4015424 Combustion engine with dual function motor element and rotary valve for cyclical fuel and exhaust metering  
An internal combustion engine comprises a compression and expansion casing having an operating member adapted to cause volumetric compression of fuel mixture and volumetric expansion of combustion...
3973393 Reciprocating internal combustion engine with continuous combustion  
A reciprocating internal combustion engine of the type having a continuous combustion. The combustion chamber must be connected with the cylinders of the engine by suitable transfer ports for...
3973394 Combustion engine with reduced emissions  
An external combustion engine wherein air compressed in a plurality of cylinders is delivered to a common combustion chamber is disclosed. The hot exhaust gases exiting the combustion chamber of...
3939652 Device comprising an expansion engine and a separate apparatus for feeding said engine  
The present invention relates to a device comprising an expansion engine, having at least one cylinder and a piston moving therein and a separate apparatus for feeding said expansion engine with...
3932987 Method of operating a combustion piston engine with external combustion  
A method of operating a constant pressure external combustion piston engine wherein air and liquid coolant are precompressed in one step to a pressure-temperature value at which the coolant is...
3926151 Rotary piston combustion engine  
A rotary piston combustion engine in which the housing surrounding the piston has internal lobes, while the piston has external lobes cooperating therewith to form working chambers. The rotary...
3913699 Automotive power system  
An automotive power system having improved efficiency and low pollution characteristics. The system is powered by compressed gas and includes two positive displacement engines. The drive motor...
3901027 Twin cylinder engine  
A twin cylinder engine has a common combustion chamber external to said cylinders and in communication with the upper portions of each cylinder above the pistons. Air is supplied to each cylinder...
3893295 External combustion swash plate engine employing alternate compression and expansion in each working cylinder  
This invention relates to a combustion engine built up with a revolving cylinder group around a central crankshaft, carrying pistons via a wobble plate or the like, and rotating with a greater...

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