Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7316207 | Devices, 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 |
| 7222614 | Internal combustion engine and working cycle The invention is concerned with a method of deriving mechanical work from a combustion gas in internal combustion engines and reciprocating internal combustion engines for carrying out the method. The invention includes methods and apparatuses for managing combustio... | 05/29/2007 |
| 7051720 | Engine with charge air-cooling system with water fumigation An engine charge air-cooling system with water fumigation for an internal combustion engine includes a charge air cooler having a housing, a heat exchanger core, an air inlet and an air outlet. The charge air cooler inlet is connected to an outlet of a compressed ai... | 05/30/2006 |
| 7013846 | Arrangement and method in connection with diesel engine Arrangement in connection with a diesel engine comprising an air supply system for the diesel engine for supplying suction air to the engine from the environment, the air supply system comprising at least a channel arrangement, a compressor and a heat exchanger for ... | 03/21/2006 |
| 6817182 | High-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 |
| 6347605 | Moistening device for the inlet air of combustion engines Described is a device for moistening the inlet air of internal combustion engines having a turbo-supercharger. The device comprises moistening means through which the inlet air and the moistening liquid flow and contact with one another. The moistening me... | 02/19/2002 |
| 6170441 | Engine system employing an unsymmetrical cycle Highly efficient engine. The system includes an internal combustion engine having at least one piston in a cylinder, the cylinder including a cylinder head. The engine operates on an unsymmetrical expansion and compression cycle wherein the expansion port... | 01/09/2001 |
| 5803022 | Combustion 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 |
| 5582155 | Combustion engine with side ports A combustion engine having a combustion chamber with a side port in a sidewall thereof interconnecting the combustion chamber with a side manifold. The side port is positioned between about 25% and about 75% of the stroke length from the bottom dead cente... | 12/10/1996 |
| 5131229 | Internal-combustion engine with exhaust gas turbocharger In order to utilize recycling of exhaust gases at high engine loads in an internal-combustion engine with an exhaust gas turbocharger, optionally with a charge cooler, as well as an exhaust gas recycling valve which is arranged within a connecting pipe th... | 07/21/1992 |
| 5113806 | Bicatalytic 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 |
| 5099802 | Method 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 |
| 5012772 | Internal combustion engine Internal combustion engines to increase the engine output without altering the cylinder capacity, and comprising liquid injection valves (26, 46) by which fixed quantities of prescribed liquids are injected into combustion chambers (14a, 14b), timed to th... | 05/07/1991 |
| 4637352 | Steam 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 |
| 4611557 | Internal-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 |
| 4594991 | Fuel 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 |
| 4552106 | Internal 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 |
| 4466386 | System 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 |
| 4412512 | Fuel supply system A fuel supply system is disclosed in which oil and water are mixed and delivered under pressure to a nozzle or other atomizing means at which combustion is to occur. The mixture of oil and water is delivered to the atomizing means along conduit means and ... | 11/01/1983 |
| 4409932 | Method 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 |
| 4408573 | System 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 |
| 4402182 | Combined internal combustion and steam engine An internal combustion engine in which a compact ring type boiler pack is installed at the top of each cylinder recessed into the cylinder head. Water is pumped through each boiler at a rate proportional to the cylinder temperature, to maintain a proper c... | 09/06/1983 |
| 4359971 | Steam injection apparatus for internal combustion engine An apparatus for controlling the injection of steam into the intake manifold of an internal combustion engine having an exhaust attachable evaporation plate supplied with water by a reservoir across a float bowl. A restrictor is placed in the line connect... | 11/23/1982 |
| 4341184 | Method and device avoiding the pollution of the atmosphere by noxious gases The formation of noxious exhaust gases is prevented in internal combustion engines by passing steam in contact with an element comprising cerium and germanium and then to a location at which the formation of the noxious gases would normally take place.... | 07/27/1982 |
| 4324209 | Fuel and water homogenizer and vaporizer and method therefor A fuel and water homogenizing system (300) creates a homogenized fluid of liquid fuel and water within a vessel (310) when the fluid and water within such vessel is agitated by vibrations transduced from electrical energy provided by an AC energy source (... | 04/13/1982 |
| 4322950 | Combined internal combustion and steam engine My invention relates to internal combustion engines that are intermittently operated as steam engines with the changeover from one phase to the other controlled by the heat of the metal of the engine in the region of the combustion.... | 04/06/1982 |
| 4204485 | Fuel vaporizing devices for internal combustion engines In the art of motor fuel carburetion where conventional carburetors are employed to mix and prepare the fuel/air mixture for introduction into the combustion chamber of internal combustion engines, and particularly where gasoline is used as fuel, the liqu... | 05/27/1980 |
| 4185593 | Transformation of electrical energy to physical energy An improved means and process for providing for the removal of hydrogen from a catalytic cathode means whereby the hydrogen may be recombined with oxygen to provide explosive force to power an internal combustion engine.... | 01/29/1980 |
| 4166435 | Internal combustion engines An internal combustion engine includes at least one combustion chamber and an inlet conduit whereby air for combustion of fuel is introduced into the combustion chamber. The inlet conduit has a main inlet and an auxiliary inlet for introducing main and au... | 09/04/1979 |
| 4142481 | Vaporific carburetor This invention relates to a vaporific carburetor for a gasoline engine, consisting of an evaporator tube assembly inclined to the horizon, an auxiliary fuel tank assembly at the upper end of the evaporator tube assembly, a mixer tube assembly at the lower... | 03/06/1979 |
| 4122803 | Combined internal combustion and steam engine An internal combustion engine in which a compact ring type boiler pack is installed around each cylinder under the cylinder head. Water is pumped through each boiler at a rate proportional to the cylinder temperature, to maintain a proper cooling and stea... | 10/31/1978 |
| 4050419 | Hot fuel gas generator A hot fuel gas generator for an internal combustion engine vaporizes gasoline and water in a heated pressure vessel and mixes the resulting superheated gaseous fuel with air in a metering valve which communicates with the internal combustion engine. A sin... | 09/27/1977 |
| 4046119 | Water vapor injection system for internal combustion engines Apparatus for injecting controlled amounts of water vapor into an internal combustion engine includes a water receptacle and conduit connecting the receptacle at a level above the water level therein to the intake manifold of the engine. An air inlet is a... | 09/06/1977 |
| 4023538 | Hot fuel gas generator A hot fuel gas generator for an internal combustion engine simultaneously vaporizes gasoline and water in a multi-chambered heated pressure vessel having built in regulators for controlling pressure and volume and delivers the resulting superheated steam ... | 05/17/1977 |
