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| Number | Title | Issue Date |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7021262 | Undercowl plenum chamber with preferential air paths An air intake system for an outboard motor provides parallel air flow paths between an opening formed in a cowl of the outboard motor and an air intake manifold of an engine under the cowl. A first air path flows in a relatively direct path between the opening in th... | 04/04/2006 |
| 6978758 | High Efficiency rotary piston combustion engine A computer controlled rotary piston engine includes a blower housing containing a rotatable impeller assembly, for pushing ambient air into the housing, and forcing the air to pass through a normally open valve mechanism into a combustion chamber. A plurality of fue... | 12/27/2005 |
| 6619277 | Engine air-fuel ratio control A state quantity ς(n) of a switching function is calculated based on a predetermined target air-fuel ratio TGABF, a detected air-fuel ratio AFSAF detected by a sensor (16), and a state equation derived from a transfer function Geng(q) of a secondary disc... | 09/16/2003 |
| 5487874 | Air intake system for an internal combustion engine An apparatus for supplying combustion gas to an internal combustion engine. The apparatus generates negatively-charged molecules of the formula [MOx ]-, where M is a positive ion, O is oxygen and x is a number at least equal to 3, an... | 01/30/1996 |
| 5317996 | Self-starting multifuel rotary piston engine An engine with a single correct direction of rotation and one or more pairs of two-sided rotary pistons (22A and 22B, 38A and 38B, 46A and 46B) with the two pistons of one pair having continuous, overlapping torque production for self-starting operation. ... | 06/07/1994 |
| 5271359 | Gas fuel engine A gaseous fuel rotary piston engine has a rotor housing and a rotor. A side housing of the rotor housing is provided with an air intake port for supplying air to working chambers defined in the rotor housing and a gaseous fuel port which is connected to a... | 12/21/1993 |
| 5193502 | Self-starting multifuel rotary piston engine An engine with a single correct direction of rotation and one or more pairs of two-sided rotary pistons (22A and 22B, 38A and 38B, 46A and 46B) with the two pistons of one pair having continuous, overlapping torque production for self-starting operation. ... | 03/16/1993 |
| 5181489 | Rotary engine A rotary engine that comprises a rotor having two side faces, a side housing disposed facing to one of the two side faces of the rotor and a center housing disposed facing to the other of the two side faces of the rotor. The side housing has an intake por... | 01/26/1993 |
| 5121721 | Rotary engine A rotary engine that comprises a rotor having two side faces, a side housing disposed facing to one of the two side faces of the rotor and a center housing disposed facing to the other of the two side faces of the rotor. The side housing has an intake por... | 06/16/1992 |
| 5119778 | Tuned intake air system for a rotary engine A tuned combustion air intake system for a rotary engine used in an outboard motor includes a plenum chamber mounted on the rear of the engine directly against the exhaust manifold, which plenum receives cooling air discharged from the engine. Air from th... | 06/09/1992 |
| 5054439 | Intake system for automotive engine An intake system is incorporated in a multi-cylinder internal combustion engine having a plurality of cylinders each being provided with at least three intake ports, at least one of the three intake port being timed to close after the remaining intake por... | 10/08/1991 |
| 4932378 | Intake system for internal combustion engines An intake system with a simple and compact structure for an internal combustion engine having a plurality of cylinders each cylinder having an intake port, the opening timing of the intake ports being determined so that that of each cylinder overlaps with... | 06/12/1990 |
| 4911122 | Tuned intake air inlet for a rotary engine A tuned combustion air intake system for a rotary engine includes a plenum chamber mounted on the engine block and receiving cooling air discharged therefrom. Air from the plenum chamber is directed into an elongated outlet conduit of a extended length de... | 03/27/1990 |
| 4759324 | Intake system for rotary piston engine An intake system for three-rotor type rotary piston engine having first, second and third engine sections, and three rotors, the rotors being in 120-degree phase difference in terms of eccentric shaft rotation, a first communicating passage for communicat... | 07/26/1988 |
| 4756284 | Intake system for internal combustion engine An intake system for an internal combustion engine having a plurality of engine sections for utilizing the interference effect between engine sections to increase the intake charge for at least two engine sections, has a first intake passage connected to ... | 07/12/1988 |
| 4706621 | Intake systems for rotary piston engines A rotary piston engine having three or more rotors and provided with an intake system including a primary individual intake passage leading to each rotor unit and a secondary individual intake passage leading to each rotor unit for providing a supply of i... | 11/17/1987 |
| 4627395 | Intake system for rotary piston engines A two rotor type rotary piston engine includes an intake system comprised of including individual intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and adapted to be cyclically closed by t... | 12/09/1986 |
| 4614173 | Intake system for rotary piston engine A multiple rotor type rotary piston engine includes an intake system of individual intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and being cyclically closed by the rotors as the rotor ... | 09/30/1986 |
| 4566412 | Intake system for rotary piston engine A two rotor type rotary piston engine includes an intake system comprised of individual intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and adapted to be cyclically closed by the rotors ... | 01/28/1986 |
| 4562805 | Intake system for rotary piston engine A two rotor type rotary piston engine includes an intake system comprised of light load intake ports provided in the intermediate housing and heavy load intake ports provided in side housings to open to the respective rotor cavities and being cyclically c... | 01/07/1986 |
| 4562803 | Intake system for rotary piston engine A two rotor type rotary piston engine includes an intake system comprised of individual light load intake ports and heavy load intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and adapted... | 01/07/1986 |
| 4562804 | Intake system for rotary piston engine A two rotor type rotary piston engine includes an intake system including individual intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and adapted to be cyclically closed by the rotors as ... | 01/07/1986 |
| 4513707 | Multiple port intake means for rotary piston engines A rotary piston engine including a casing comprised of a rotor housing and a pair of side housings attached to the opposite sides of the rotor housing to define a rotor cavity. A substantially triangular rotor is disposed in the rotor cavity. The intake s... | 04/30/1985 |
| 4425883 | Intake means for two-rotor type rotary piston engines A two rotor type rotary piston engine including a casing comprised of a pair of rotor housings connected together with an intermediate housing interposed therebetween and side housings attached to the outer sides of the rotor housings to define rotor cavi... | 01/17/1984 |
| 4423711 | Multiple port intake means for rotary piston engines A rotary piston engine including a casing comprised of a rotor housing and a pair of side housings attached to the opposite sides of the rotor housing to define a rotor cavity. A substantially triangular rotor is disposed in the rotor cavity. The intake s... | 01/03/1984 |
| 4353337 | Rotary engine A rotary internal combustion engine having an elliptical wall member which forms an elliptical internal chamber. A drive shaft is rotatably mounted in the housing and extends transversely through the elliptical chamber. A substantially cylindrical rotor i... | 10/12/1982 |
| 4315489 | Rotary piston engine having supercharging means Rotary piston engine having a main intake port in one side housing of the casing. The side housing is further formed with a supercharging air port which is connected with a supercharging passage leading from an air pump. The supercharging air port is so f... | 02/16/1982 |
| 4315488 | Rotary piston engine having supercharging means Rotary piston engine having a main intake port in one side housing of the casing. The side housing is further formed with a supercharging air port which is connected with a supercharging passage leading from an air pump. The supercharging air port is so f... | 02/16/1982 |
| 4169451 | Rotary piston internal combustion engine and method for influencing its operation A rotary piston internal combustion engine includes a two-curve housing, a triangular piston rotor in the housing and a pressure reservoir connected through a channel to the compression chamber, or volume, formed between the housing and rotary piston. Rot... | 10/02/1979 |
| 4144866 | Internal combustion rotary engine The disclosure is directed to a rotary engine having an annular housing and a plurality of walls disposed around the interior of the housing with adjacent walls joined by rounded corners. A plurality of sliding pistons are disposed within the interior of ... | 03/20/1979 |
| 4106472 | Rotary energy converter with respiring chambers A rotary energy converter has a rotor provided with a plurality of hinged vanes and centrally mounted within a stator having a generally circular inner wall surface formed with one or more vaulted bays and corresponding abutments. As the rotor rotates wit... | 08/15/1978 |
| 4086882 | Compound combustion engines and methods of compounding same This invention relates to improving the internal combustion and internal use of fuel in engines, and more particularly to engines which are compounded in order to effect extension of the expansion event of the four-event work cycle of such engines which a... | 05/02/1978 |
| 4086879 | Rotary engine with revolving and oscillating pistons A rotary engine with complemental cylindrical rotors facing each other and rotatable about a common shaft. Each rotor has an annular recess with a pair of diametrically opposed pistons mounted therein, the pistons having their outer ends projecting beyond... | 05/02/1978 |
| 4067300 | Rotary piston engine A rotary piston engine having peripheral and side intake ports, said peripheral intake port being supplied with a fuel-air mixture while said intake port being supplied with only air, wherein a check valve is provided in an intake passage which supplies t... | 01/10/1978 |
| 4062326 | Rotary engine with rotary intake valve A rotary internal combustion engine having a variable rotary throttle valve in the engine intake passage immediately adjacent to the discharge end of said passage with the axis of the rotary valve being disposed substantially at right angles to the engine... | 12/13/1977 |
| 4019471 | Fuel injection type rotary piston engines Rotary piston engine of fuel injection type wherein fuel injection is performed when the intake air flow is relatively high so that an improved fuel atomization can be attained. Further, the fuel injection timing is also determined from the view point tha... | 04/26/1977 |
| 3995421 | Method of increasing the output of hydrogen combustion type internal combustion engine by recovery of generated heat and apparatus therefor This invention relates to a new method of increasing the output of a hydrogen combustion type internal combustion engine by recovery of generated heat and to an apparatus therefor. It is the main object of the invention to raise engine output by producing... | 12/07/1976 |
| 3995600 | Hydrogen fueled rotary engine A rotary piston internal-combustion engine adapted to operate on a hydrogen fuel gas mixture injected into the intake chamber of the engine through a plurality of spaced intake ports in the engine housing designed to distribute the flow of the fuel gas mi... | 12/07/1976 |
