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Class 123/25P - Steam injection


Subclass of Class 123 - Internal-combustion engines
No. of patents: 66
Last issue date: 12/27/2011


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NumberTitleIssue Date
8082892High efficiency integrated heat engine-2 (HEIHE-2)
The present invention is a second kind of High Efficiency Integrated Heat Engine, or HEIHE-2 for short. HEIHE-2 is a reciprocal combustion engine integrated with both compound cycle and combined cycle. HEIHE-2 comprises triple compound cylinder structure, with the f...
12/27/2011
7461618Reformer mixing chamber and method for operating same
Liquid fuel is evaporated and mixed with an oxidizing agent in a mixing chamber of a reformer by first introducing substantially only the liquid fuel in an axial downstream direction into a first upstream zone of the mixing chamber via a nozzle so as to atomize the ...
12/09/2008
7316207Devices, systems and methods for introducing additives into an internal combustion engine
Device, systems and methods for introducing water into the combustion chamber of an internal combustion engine, incorporating an injector and a heater, are shown and described. The injector is configured to inject water at a pulse rate and frequency controlled by va...
01/08/2008
7210467Advanced high efficiency, ultra-low emission, thermochemically recuperated reciprocating internal combustion engine
An apparatus including a reciprocating internal combustion engine and a thermochemical recuperator in which a fuel is reformed. The thermochemical recuperator is heated by exhaust gases from the reciprocating internal combustion engine and steam for the reforming pr...
05/01/2007
7171924Combustion control system of a homogeneous charge
An internal combustion engine has at least one combustion chamber and a piston slidably disposed within the at least one combustion chamber. The piston is configured to reciprocate between a top-dead-center position and a bottom-dead-center position. The internal co...
02/06/2007
7062915High-efficiency otto cycle engine with power generating expander
High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the partial pressure effect using waste heat from the engine. The resultant...
06/20/2006
6817182High-efficiency Otto cycle engine with power generating expander
High-efficiency combustion engines, including Otto cycle engines, use a steam-diluted fuel charge at elevated pressure. Air is compressed, and water is evaporated into the compressed air via the partial pressure effect using waste heat from the engine. The resultant...
11/16/2004
6463890Combined diesel-rankine cycle reciprocating engine
A Diesel engine in which a boiler is installed to extract heat from cylinder and air cooling systems as well as exhaust gases to generate steam at a rate proportional to the fuel flow and in which means are provided for introduction of the steam into the ...
10/15/2002
5803022Combustion and steam engine system and methods
A combustion-and-steam engine system has a phase-change water injector (1) through which water is spray-injected into combustion gases in a combustion chamber (2) of a Nelson Engine (79) or any type of heat engine with either rotational or thrust power. A...
09/08/1998
5758606Method of and device for supplying water or other vapor to the intake air of an internal combustion engine
The invention relates to a method for supplying vapor to intake air that is supplied to an internal combustion engine. The method comprises the steps of compressing the intake air before supplying the vapor and contacting, in a moistening means, the intak...
06/02/1998
5592903Vapor catalyst system for combustion
A system including a water container, a compressor, a pressure line connected from the compressor to the water container to bubble air through water in the container, a suction line taking air back to the compressor for recirculation, and a connection to ...
01/14/1997
5558513Vapor catalyst system for combustion
A system including a water container, a compressor, a pressure line connected from the compressor to the water container to bubble air through water in the container, a suction line taking air back to the compressor for recirculation, and a connection to ...
09/24/1996
5424011Steam humidifier apparatus for tractors to save gas
A steam humidifier apparatus for tractors to save gas comprising a container, the container being of a vertical orientation with a convex semi-cylindrical vertical surface at a first edge and a concave semi-cylindrical vertical surface at a second edge op...
06/13/1995
5255514Apparatus and method for improving the performance of a turbocharger-equipped engine
Apparatus and method for improving the performance of an engine having a turbocharger are provided by flowing ion vapors to a region of negligible air pressure adjacent the compressor wheel of the turbocharger....
10/26/1993
5149466Water vaporizer
A water vaporizer system for supplying steam to internal combustion engines, comprising a water boiler (7) on the exhaust conduit, which supplies steam to a steam reservoir (2,107) wherein it is mixed with air and supplied to the air intake....
09/22/1992
5135551Muffler with replaceable filters
The invention relates to an improved muffler for an automobile that filters the exhaust and eliminates noise and odor as well as forces steam back into the engine to improve gas mileage. The muffler uses replaceable cartridges that serve as filters to div...
08/04/1992
5113806Bicatalytic igniter converter and processor for internal combustion engines
An improved combustion igniter for internal combustion engines is disclosed, comprising a conventional spark plug improved through the addition of (a) an upwardly facing generally vertical wire element secured to the negative cathode of the spark plug and...
05/19/1992
5099802Method of operating a piston engine and fuel feeding mechanism therefor
A combustible fuel vapor/steam mixture is fed to a piston engine through an injection valve (12). The mixture is generated by feeding water through a water pump (5) and magnetic valve into a vaporizer (1) which makes superheated steam and feeding liquid f...
03/31/1992
5010852Heat engine
A multifuel hybrid heat engine having an internal combustion system and an external combustion system wherein a coaxial array of three tappet valves controls the expansion from the external combustion system to the internal combustion system and the drive...
04/30/1991
4991395Device for cleaning the exhaust gases of a combustion engine in use
A device for cleaning the exhaust gases of a combustion engine in use for feeding or coating the combustion chambers of an internal combustion engine in use with an alloy containing rare earth elements, especially cerium, comprises a line for water contai...
02/12/1991
4986223Internal combustion engine injection superheated steam
A method and apparatus for superheating steam and for injection of same into the air supply of an internal combustion engine are disclosed. A disc-shaped heat exchanger in direct contact with hot exhaust gases is utilized to vaporize and superheat a liqui...
01/22/1991
4913098Waste heat steam supercharger
A system for supercharging an internal combustion engine. In the present invention, waste heat from an internal combustion engine heats surrounding coolant water to make steam. Steam then passes through a steam compressor, which feeds a high-velocity stre...
04/03/1990
4844028Method for reducing the consumption of fuel of a heat engine which employs combustion of hydrocarbons, and for reducing atmospheric pollutants, and device for carrying out this method
Method and device for reducing consumption of fuel by an engine, which involves saturating intake air or an air-fuel mixture with steam which is then dissociated prior to entering the engine....
07/04/1989
4779576Water cooled scavenged crankcase type otto internal combustion engine
In an internal combustion type engine having a piston disposed within a cylinder, a plurality of ceramic cylinder inner surface sections are provided for covering surfaces of the cylinder chamber and the piston which are directly exposed to the ignited co...
10/25/1988
4706462Method for driving an engine
A method is described wherein the efficiency of an internal combustion engine is upgraded. Heat from the engine block is used to generate high pressure steam. The steam is generated in a chamber separate from and in addition to the standard engine cooling...
11/17/1987
4667643Heated fuel vapourizer and slidable throttle valve
Apparatus for supplying a gaseous fuel mixture to a combustion chamber. A fuel vaporizer vaporizes liquid fuel which is then mixed with air. The vaporizer and mixing chamber are heated to maintain the temperature of the vaporized fuel/air mixture. The vap...
05/26/1987
4655175Steam purge of a piston/cylinder gap in a diesel engine
An improvement for a diesel engine uses a vapor to purge a gap between a piston and cylinder wall. The diesel engine includes at least one cylinder, a piston reciprocatingly mounted in the cylinder, and means for establishing a compression seal between th...
04/07/1987
4637352Steam boosted internal combustion engine
The fuel consumption of an internal combustion engine is decreased by the sue of steam, wherein the steam is produced by maintaining a constant flow of water past the internal combustion engine which acts as the boiler, without the need for any external s...
01/20/1987
4628871Fuel supply system for an internal combustion engine
A fuel supply system for an internal combustion engine having an intake manifold, an exhaust manifold, a carburetor and an air cleaner mounted on the carburetor. The system includes a heat exchanger in the exhaust manifold and a converter within the heat ...
12/16/1986
4611557Internal-combustion engine
The combustion chamber of an internal-combustion engine is fed via a dispersion supply conduit with a dispersion of water and of fuel supplied via a fuel supply conduit and is fed via an air supply conduit with the air required for the combustion. The exh...
09/16/1986
4594991Fuel and water vaporizer for internal combustion engines
A fuel mixture injection apparatus associated with the carburetor of an internal combustion engine designed to improve engine efficiency by delivering a mixture of vaporized gasoline, steam and air directly to the carburetor. A portion of the fuel supplie...
06/17/1986
4589377Engine
The invention is related to the injection of water or other non-fuel materials into internal combustion engines, the amount of non-fuel material being injected and the time of injection being governed by such factors as mass of fuel induced, compression r...
05/20/1986
4573435Apparatus and method for generating hydrogen gas for use as a fuel additive in diesel engines
Water is sprayed onto the surface of a bank of conduits or tubes extending through a heat exchange compartment, which conduits carry the hot exhaust gases from a diesel engine at a temperature of approximately 950°-1100° F. The water is sprayed at such ...
03/04/1986
4557222Forced humid aspiration for internal combustion engines
This invention is an arrangement of mechanical components that humidify the intake air (specifically, the air that mixes with fuel for combustion) of an internal combustion engine, to increase combustion efficiency and reduce poison gas emissions. The com...
12/10/1985
4552106Internal combustion engine
A modified two-stroke or four-stroke internal combustion engine comprises means and a method for increasing the power output of an internal combustion engine by providing a non-combustible fluid to the engine. The engine transfers thermal energy of combus...
11/12/1985
4476817Combustion and pollution control system
A controlled amount of a fluid (steam or water or a solution of water plus additives) is injected into an internal combustion engine to improve combustion, efficiency, and to reduce emissions. The amount of the fluid injected is controlled in response to ...
10/16/1984
4466386System and method of vaporizing liquid for delivery to an internal combustion engine
A low pressure/low temperature vapor generating system for use in internal combustion engines includes a supply of water or other liquid to be vaporized, heating apparatus which uses heat generated by the internal combustion engine to heat the water and c...
08/21/1984
4409932Method and apparatus for powering engine with exhaust generated steam
An apparatus (10) for installation in an automobile (12) to generate steam with heat from the exhaust of an engine (14) is provided. The steam is generated at a sufficient pressure for entry into the combustion chambers of the engine to increase the power...
10/18/1983
4409931Combustion and pollution control system
A controlled amount of a fluid (steam or water or a solution of water plus additives) is injected into an internal combustion engine to improve combustion, efficiency, and to reduce emissions. The amount of the fluid injected is controlled in response to ...
10/18/1983
4408573System and method for superheated-water injection system (SWIS)
System and method for a superheated-water injection system (SWIS). The system is designed to superheat water to temperatures exceeding 212° F. (100° C.) under conditions of pressure to prevent it from boiling for the purpose of injecting a timed and met...
10/11/1983
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