| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 123434000 |
CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL)
| 4397 |
| 123900100 |
POPPET VALVE OPERATING MECHANISM
| 2173 |
| 123410010 |
COOLING
| 973 |
| 123319000 |
ENGINE SPEED REGULATOR
| 756 |
| 123294000 |
COMBUSTION CHAMBER MEANS HAVING FUEL INJECTION ONLY
| 560 |
| 123193100 |
PARTICULAR PISTON AND ENCLOSING CYLINDER CONSTRUCTION
| 543 |
| 123179100 |
STARTING DEVICE
| 403 |
| 123184210 |
INTAKE MANIFOLD
| 377 |
| 123002000 |
COMBINED DEVICES
| 356 |
| 123406110 |
SPARK IGNITION TIMING CONTROL
| 327 |
| 123196000 |
LUBRICATORS
| 283 |
| 123143000 |
IGNITERS
| 276 |
| 123001000 |
MISCELLANEOUS
| 241 |
| 123200000 |
ROTARY
| 219 |
| 123048000 |
ADJUSTABLE COMBUSTION CHAMBER
| 212 |
| 123594000 |
HIGH TENSION IGNITION SYSTEM
| 204 |
| 123065000 |
TWO-CYCLE
| 192 |
| 123197100 |
TRANSMISSION MECHANISM FROM PISTON
| 168 |
| 123198000 |
ACCESSORIES
| 168 |
| 123195000 |
FRAME CONSTRUCTION
| 163 |
| 123188100 |
VALVE
| 144 |
| 123192100 |
VIBRATION COMPENSATING DEVICE
| 133 |
| 123253000 |
PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES
| 130 |
| 123520100 |
MULTIPLE CYLINDER
| 124 |
| 123025000 |
WATER AND HYDROCARBON
| 88 |
| 123051000 |
MULTIPLE PISTON, COMMON NONRESTRICTIVE COMBUSTION CHAMBER
| 77 |
| 123410860 |
CRANKCASE VENTILATION
| 61 |
| 123306000 |
MEANS TO WHIRL FLUID BEFORE, UPON, OR AFTER ENTRY INTO COMBUSTION CHAMBER
| 55 |
| 123657000 |
COMBUSTION CHAMBER
| 49 |
| 123027000 |
BURNING BY HIGHLY COMPRESSED AIR
| 27 |
| 123046000 |
FREE PISTON
| 27 |
| 1231425R0 |
WITH HEATING MEANS
| 24 |
| 123311000 |
FOUR-CYCLE
| 24 |
| 123018000 |
OSCILLATING PISTON
| 22 |
| 123064000 |
SIX-CYCLE
| 18 |
| 123429000 |
COMBUSTION CHAMBER MEANS COMBINED WITH AIR-FUEL MIXTURE FORMING MEANS
| 18 |
| 123043000 |
ROTATING CYLINDER
| 11 |
| 123021000 |
CONVERTIBLE CYCLE
| 10 |
| 123000000 |
DOUBLE-ACTING
| 8 |
| 123045000 |
ROTARY RECIPROCATING PISTON
| 7 |
| 123047000 |
VALVED PISTON
| 6 |
| 123310000 |
COMBUSTION CHAMBER HAVING MULTIPLE SPARK GAPS | 4 |
| 20090107457 | INTERNAL COMBUSTION ENGINE WITH MULTIPLE SPARK PLUGS PER CYLINDER AND ION CURRENT SENSING - A system and method for operating a multiple cylinder internal combustion engine having at least two spark plugs per cylinder include selectively isolating all but one spark plug associated with the cylinder at least during an ionization current sensing period to reduce or eliminate interference among ionization current signals flowing through more than one spark plug. | 04-30-2009 |
| 20100147263 | FIRST AND SECOND SPARK PLUGS FOR IMPROVED COMBUSTION CONTROL - An engine system includes two spark plugs in a cylinder of an engine. The two spark plugs have different heat ranges in order to address pre-ignition, where only a first spark plug operates during a first condition, and only a second spark plug operates during a second condition. | 06-17-2010 |
| 20100319656 | Internal Combustion (IC) Engine Head Assembly Combustion Chamber Multiple Spark Ignition (MSI) Fuel Savings Device and Methods of Fabrication Thereof - This invention describes how a blend of silicon polymers, mixed with the right combination of fillers applied to fiber reinforcement laminated with an embedded circuit and laser cut into vacuum formable preforms enables the production of “red heat” durable flexible ceramic multiple spark ignition devices which are vacuum formed into the head combustion chamber of IC engines for realizing fuel savings from up to 33% increased combustion efficiency. The MSI device also comprises a spark plug which is made with the steel adjustable grounding gap section removed. The spark plug electrode alignment for the fuel injectors is also used to align the spark plug electrode to insert during assembly into the MSI device (see FIG. | 12-23-2010 |
| 20140238342 | RIM FIRE SPARKING GASKET - The sparking gasket amalgamates two traditional parts of the internal combustion engine into one unit by replacing the spark plug with electrode circuitry embedded into the gasket material. This system provides reduced hydrocarbon emissions by improving combustion thus giving a cleaner burn with increased fuel economy and improved engine performance. The new materials being used have greatly increased gasket life by reducing material deterioration and insulation breakdown that lead to engine failure. Further improvements in electrode design, materials and positioning have led to improved efficiency gains. In this design the electrode circuitry is fused between two material wafers thus encapsulating it in one solid bonded unit. | 08-28-2014 |
| 123023000 |
SOLID FUEL | 3 |
| 20100147233 | Coke burning engine - A coke burning engine is described wherein hot coke fuel chunks are first compressed with air and reacted therewith to form a carbon monoxide rich gas, during a compression cycle time period. Next these primary reacted gases are mixed into and burned with secondary air during a blowdown cycle time period. These fully reacted gases are expanded though an expander engine whose power output drives the air compressor, and yields a net useful engine power output. | 06-17-2010 |
| 20110259286 | Common rail slurry fuel injector system - A fuel injection system is described for injecting slurry fuels into the combustion chamber of a diesel engine, equipped with a fuel common rail, and fitted with a gas to fuel contactor chamber for dissolving supplementary atomizing gas into the continuous phase of the slurry fuel, at high pressure. Each fuel injector comprises a combined double valve for starting and stopping fuel injection, so that slurry fuel containing atomizing gas is only depressurized when injected into the engine combustion chamber, when such depressurization greatly improves fuel atomization and combustion efficiency. In this way small bore, high speed, diesel engines can be efficiently operated on high viscosity, low cost fuels such as tars from tar sands, tars from coal and biomass, and residual petroleum fuels. | 10-27-2011 |
| 20120192814 | METAL FUEL POWERED DRIVING SYSTEM AND METHOD OF DRIVING A PISTON IN A CYLINDER - A metal fuel powered driving system comprises: a cylinder; a piston disposed movably in and cooperating with the cylinder to define a combustion chamber; an arc generating unit including first and second electrodes extending into the combustion chamber, the first electrode being in the form of a first active metal wire; and a first wire supplying unit configured to feed the first active metal wire into the combustion chamber. When the power supplying source applies a voltage to the first and second electrodes, electric arc is generated between the first active metal wire and the second electrode to vaporize and combust the metal wire for driving movements of the piston. A method of driving a piston in a cylinder is also disclosed. | 08-02-2012 |
| 123026000 |
ADDITIONAL AIR SUPPLY | 3 |
| 20130087109 | ENGINE - An engine without a compressor or a turbine comprises a combustion chamber for burning a fuel-air mixture formed by mixing a fuel with outside air; and an outside air introduction part for introducing outside air into the combustion chamber. The outside air introduction part comprises an intake main port for introducing outside air into the combustion chamber from the direction along the central axis of the combustion chamber and a plurality of intake sub-ports for introducing outside air into the combustion chamber from the direction toward the central axis. The intake sub-ports comprise ejection openings capable of ejecting outside air toward a collision point inside the combustion chamber. Streams of outside air ejected from the ejection openings of the intake sub-ports mutually collide at the collision point and are thereby compressed. | 04-11-2013 |
| 20140230757 | INTERNAL COMBUSTION ENGINE CONTROL APPARATUS AND INTERNAL COMBUSTION ENGINE CONTROL METHOD - An internal combustion engine control apparatus includes a secondary air supply device having a secondary air supply passage that supplies secondary air pumped by an air pump into an exhaust system of an internal combustion engine and an opening/closing unit that opens and closes the secondary air supply passage. A controller provided in the internal combustion engine control apparatus sets the opening/closing unit in an open condition such that the secondary air is supplied to the secondary air supply passage, and then executes foreign matter removal control in which the opening/closing unit is opened and closed. As a result, foreign matter caught in an ASV during AI control is removed immediately. By implementing OBD after removing the foreign matter, detection of an open sticking abnormality caused by foreign matter caught in the ASV is suppressed. | 08-21-2014 |
| 20160069256 | HYDRAULIC ENGINE - An internal combustion engine and method of operating such an engine are disclosed. In some embodiments, the engine includes a piston provided within a cylinder, wherein a combustion chamber is defined within the cylinder at least in part by a face of the piston, and an intake valve within the cylinder capable of allowing access to the combustion chamber. The engine further includes a source of compressed air, where the source is external of the cylinder and is coupled to the cylinder by way of the intake valve, and where the piston does not ever operate so as to compress therewithin an amount of uncombusted fuel/air mixture, whereby the engine is capable of operating without a starter. In further embodiments, the piston is rigidly coupled to another, oppositely-orientated second piston, and the two pistons move in unison in response to combustion events to drive hydraulic fluid to a hydraulic motor. | 03-10-2016 |
| 123042000 |
OSCILLATING CYLINDER | 2 |
| 20090217890 | Bendah rotary cycle internal combustion engine and air compressor - The present invention generally relates to a rotary engine and, more particularly, to a rotary engine that, by using cylinder wedge geometry improves output efficiency, and decreases fuel consumption, and at the same time is easy to manufacture, contains fewer parts, uses conventional sealing techniques and has the flexibility to increase or decrease the number of cylinders and rotors to improve the performance of the rotary engine. Also, by utilizing the same mechanism of cylinder wedge geometry, to produce a reliable and efficient air compressor or compressed air motor | 09-03-2009 |
| 20160047300 | INTERNAL COMBUSTION ENGINE - There is disclosed an internal combustion engine. The internal combustion engine includes a cylinder unit and a piston unit. The cylinder unit is rotatably coupled to a pair of spaced-apart crankshafts, with the cylinder unit moveable along a longitudinal axis. The piston unit is continually disposed within the cylinder unit, with the piston unit rotatively coupled to a second pair of spaced-apart crankshafts. The piston is moveable along the longitudinal axis in a direction opposite the direction of the cylinder during a combustion cycle. Both the cylinder unit and the piston unit are structured to be balanced relative to the respective center-of-gravity of each unit. Each center-of-gravity is located midway between the pair of spaced-apart crankshafts to which each unit is rotatively coupled. | 02-18-2016 |
| 123022000 |
INTERNAL COMBUSTION AND AIR | 2 |
| 20110226196 | Movimentation System for Engines in General With Use of Compressed Air - “Movimentation system for engines in general with use of compressed air” envisions a system to convert engines ( | 09-22-2011 |
| 20150083056 | VEHICLE INTERNAL COMBUSTION ENGINE ARRANGEMENT COMPRISING A WASTE HEAT RECOVERY SYSTEM FOR COMPRESSING EXHAUST GASES - A vehicle internal combustion engine arrangement includes an internal combustion reciprocating piston engine, and an exhaust line capable of collecting exhaust gases from the engine, a waste heat recovery system carrying a working fluid in a loop, in which the working fluid is successively compressed, heated in a heat exchanger by at least one engine fluid, and expanded in a first expander, a first compressor located in the exhaust line and mechanically connected to the first expander of the waste heat recovery system. | 03-26-2015 |
| 123037000 |
MULTIPLE EXPLOSION | 1 |
| 20110220041 | Accelerated compression ignition engine for HCCI - An internal combustion engine has cylinder wall cavities located near the top dead center stroke end to allow optimizing the compression ratio in first stage compression, as function of fuel octane number used. The volume of the cylinder wall cavities is designed to be adjustable, even when the engine is operating. Using a conventional piston motion, the second stage compression becomes accelerated as soon the upper piston ring seals-off the cylinder wall cavities. This is due to the sudden significant reduction in volume. During the power stroke, after the upper piston ring opens the cylinder wall cavities; their fuel content is ignited by second stage combustion products. Because the torque required during accelerated compression is no greater than during first stage compression, stresses in the crankshaft are no more than in conventional spark ignition engines. This allows small displacement engines to be of light weight and to be hand cranked. | 09-15-2011 |
| 123050000 |
RECIPROCATING CYLINDER | 1 |
| 20100126472 | RECIPROCATING ENGINE - A reciprocating engine ( | 05-27-2010 |
| 20100126472 | RECIPROCATING ENGINE - A reciprocating engine ( | 05-27-2010 |
| 123041000 |
REVERSIBLE | 1 |
| 20080257310 | HYBRID POWERTRAIN WITH REVERSING ENGINE AND METHOD OF CONTROL - A powertrain is provided having an engine operable in a reverse direction so that a reverse mode is provided through an electrically variable transmission without relying on pure electric or series electric operation, and without the addition of a dedicated reverse gear. A method of controlling such a powertrain is also provided. | 10-23-2008 |
| 20080257310 | HYBRID POWERTRAIN WITH REVERSING ENGINE AND METHOD OF CONTROL - A powertrain is provided having an engine operable in a reverse direction so that a reverse mode is provided through an electrically variable transmission without relying on pure electric or series electric operation, and without the addition of a dedicated reverse gear. A method of controlling such a powertrain is also provided. | 10-23-2008 |
| 123250000 |
ENGINE MEANS HAVING INTERNAL VAPORIZING IN PRECHAMBER WITH ALL COMBUSTION IN MAIN CHAMBER | 1 |
| 20160138510 | ENGINE CONTROL APPARATUS - Engines fuelled with gaseous fuel stored in liquefied form comprise different strategies and controls for managing gaseous fuel compared to other systems, previously resulting in an ad hoc arrangements of controllers. An engine control apparatus comprises an internal combustion engine fuelled with a gaseous fuel stored in liquefied form and a control unit programmed with a fuel system module, for monitoring gaseous fuel pressure and actuating a fuel injection apparatus for introducing gaseous fuel into a combustion chamber, and a liquefied gaseous fuel module, for monitoring the quantity of liquefied gaseous fuel remaining in a storage vessel and controlling a pumping apparatus that pumps liquefied gaseous fuel from the storage vessel to a vaporizer. The fuel system control module and the liquefied gaseous fuel control module cooperate to introduce gaseous fuel in the combustion chamber at a predetermined pressure as a function of engine operating conditions. | 05-19-2016 |
