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| Number | Title | Issue Date |
| 7721684 | Internal combustion engine A power transfer assembly (2000) for transferring energy within a combustion engine (1010) externally of the engine. The power transfer assembly includes a crankshaft (2006) adapted to convert reciprocating motion to rotating motion. The power t... | 05/25/2010 |
| 7258084 | Explicit seals for moving cylinder assembly A moving cylinder assembly includes an end ported moveable cylinder having a chamber for receiving and engaging a piston connected to at least one crank. A stationary housing embraces the cylinder and has at least one port for intermittent communication with the cyl... | 08/21/2007 |
| 7234423 | Internal combustion engine In accordance with the invention, an internal combustion engine having reciprocating piston sleeves is realized comprising an engine block with a pair of cylinders, each cylinder having an intake port, an exhaust port and two linearly opposing pistons connected to t... | 06/26/2007 |
| 7150259 | Internal combustion engine A power transfer assembly (2000) for transferring energy within a combustion engine (1010) externally of the engine. The power transfer assembly includes a crankshaft (2006) adapted to convert reciprocating motion to rotating motion. The power t... | 12/19/2006 |
| 7140337 | Valve gear mechanism In a valve gear mechanism of an internal combustion engine, there is provided a valve opening and closing a combustion chamber, a spring device which generates a force pressing the valve toward a valve seat, a drive mechanism driving the valve in an opening directio... | 11/28/2006 |
| 7121235 | Reciprocating internal combustion engine An internal combustion engine (1010 or 2000) is provided. The internal combustion engine includes a housing (1013 or 1068) and a piston assembly (6, 1012, and 2038) disposed in the housing. The piston assembly is substantial... | 10/17/2006 |
| 6851400 | Internal combustion engine with translating cylinder An internal combustion engine having inline opposing pistons stationarily mounted to a frame. A finned cylinder having a divider therein forming two chambers reciprocates upon the two stationary pistons during operation of the engine to provide power to a device req... | 02/08/2005 |
| 6598567 | Reciprocating internal combustion engine An internal combustion engine (1010) having an adjustable compression ratio is disclosed. The engine includes a housing (1013), a piston assembly (1012) adjustably coupled to the housing, and a cylinder(1014) reciprocatingly disposed within the housing. T... | 07/29/2003 |
| 6427640 | System and method for heating vehicle fluids A system 10 which utilizes engine coolant to selectively heat and cool fluid or oil used by another vehicle system, such as a transmission 14. System 10 includes a first cooling path or circuit 28 having a fluid-to-fluid heat exchanger 18 which is fluidly... | 08/06/2002 |
| 6314923 | Opposed supercharged two-stroke engine module with crossflow transfer A two-stroke internal combustion engine 7 is provided. The engine 7 has a first piston 12 with a head 16 and a second piston 28 with a head 30 which faces the first piston 12. First and second pistons 12, 28 have valved exhaust lines 20 intersecting with ... | 11/13/2001 |
| 6032622 | Internal combustion cylinder engine An internal combustion engine is provided. The engine includes a housing (9) having at least first and second pairs of chambers (20) formed in the housing. Each chamber extends from the exterior of the housing to a predetermined point therein. The first p... | 03/07/2000 |
| 5692462 | Transfer valve assembly providing variable valve lash A valve assembly for use in a dual compression/dual expansion engine having an internal housing operating within an external housing, the valve assembly having a valve element operating in a valve guide secured to the internal housing with a valve spring ... | 12/02/1997 |
| 5647307 | Valving for dual compression/expansion engine and method of assembling the same An improved valving configuration for dual compression/expansion engines having multiple, relatively small diameter intake transfer valve assemblies disposed about a fuel injection apparatus in the internal housing, a relatively large diameter exhaust tra... | 07/15/1997 |
| 5626106 | Migrating combustion chamber engine Design Improvements are disclosed which enhance the migrating combustion chamber engine's ability to achieve improved performance, obtain higher durability and cost less to manufacture. These include strip seals between the combustion chamber member and o... | 05/06/1997 |
| 5526778 | Internal combustion engine module or modules having parallel piston rod assemblies actuating oscillating cylinders An internal combustion engine having one or more modules each employing fluidly-communicating, oscillating, power cylinder and air cylinder. The power and air cylinders oscillate about separate, individually supporting sets of trunnions positioned non-lin... | 06/18/1996 |
| 5456219 | Dual compression and dual expansion internal combustion engine and method therefor An apparatus and method is provided for a dual compression and dual expansion internal combustion engine (8) that is compact, efficient, and has low combustion noise and emissions. The subject engine (8) includes a low pressure piston assembly (56) recipr... | 10/10/1995 |
| 5341774 | Self supercharged two stroked cycle and engine having migrating combustion chambers Non-symmetrical port timing techniques in combination with the 90 degree phase difference between the pumping and combustion chamber of the two stroke migrating combustion chamber engine variant are disclosed as a special cycle of operation which allows a... | 08/30/1994 |
| 5275134 | Two stroke internal combustion engine having an intake piston adjacent each power piston A two stroke internal combustion engine having an intake piston which feeds air to an adjacent power piston. Both the intake piston and the power piston are held in oscillating cylinder assemblies and the piston rods are integral with the pistons so that ... | 01/04/1994 |
| 5232007 | Combination of a fuel manifold and a plurality of like fuel control devices mounted thereto, a manifold for such combination and methods of making the same A combination of a fuel manifold and a plurality of like fuel control devices mounted thereto, a manifold for such a combination and methods of making the same are provided, the combination comprising a fuel manifold having a fuel receiving chamber therei... | 08/03/1993 |
| 4838214 | Internal combustion engine assembly An internal combustion engine having a sleeve valve wherein the sleeve valve is the cylinder sleeve of a respective cylinder whereby a very simple reciprocation and oscillation of the sleeve valve may be effected by means of a rotary valve which controls ... | 06/13/1989 |
| 4767287 | Reciprocating piston mechanism A reciprocating opposed piston mechanism having at least one cylinder assembly mounted to oscillate in rotary relation to a block about a central axis, two opposing pistons reciprocally mounted within the cylinder, each of the pistons having an eccentric ... | 08/30/1988 |
| 4672989 | Flow conditioned nutation valving apparatus and method of operation Structure and method are disclosed for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating p... | 06/16/1987 |
| 4597403 | Nutation valving apparatus and method of operation Structure and method for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating plate at one po... | 07/01/1986 |
| 4437437 | Dual-expansion internal combustion cycle and engine A novel internal combustion cycle and internal combustion engine operating thereon. Expansion of the hot combustion gases is controllably achieved in a primary combustion/expansion chamber and a secondary expansion chamber in a manner to reduce engine exh... | 03/20/1984 |
| 4325331 | Dual-expansion internal combustion cycle and engine A novel internal combustion cycle and internal combustion engine operating thereon. Expansion of the hot combustion gases is controllably achieved in a primary combustion/expansion chamber and a secondary expansion chamber in a manner to reduce engine exh... | 04/20/1982 |
| 4010675 | Two stroke mechanism with rotary piston and cylinder-piston movement A two stroke mechanism is described which has rotary moveable piston and cylinder-piston elements. The piston and cylinder-piston elements both rotate within a stationary body forming two variable volume chambers. The first variable volume chamber formed ... | 03/08/1977 |
| 3974803 | Internal combustion engine with gyratory piston and cylinder movement An internal combustion engine wherein a piston element with rectilinear sides operates within a movable cylinder-piston element having rectilinear sidewalls, and wherein the combustion chamber has a polyhedral shape. Rotatable crankshafts are mounted in e... | 08/17/1976 |
