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| Number | Title | Issue Date |
| 7549401 | Two-cycle, opposed-piston internal combustion engine In a two-cycle, opposed-piston internal combustion engine, opposed pistons disposed in a cylinder are coupled to a pair of side-mounted crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the crankshafts. Th... | 06/23/2009 |
| 7387102 | Cast part for an internal combustion engine The invention relates to a cast part for an internal combustion engine, said part being a cylinder crankcase, which has at least one guide duct that leads a fluid medium to a required location. Said guide duct is provided in the form of a tube and is embedded inside... | 06/17/2008 |
| 7360511 | Opposed piston engine A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a co... | 04/22/2008 |
| 7299772 | Cooling gallery fan assembly for a piston A piston for an internal combustion engine defining an axis of motion and including an annular cooling gallery defined within the piston. The cooling gallery extends annularly about the axis of motion of the piston. A plurality of annularly spaced fan blades is posi... | 11/27/2007 |
| 7156056 | Two-cycle, opposed-piston internal combustion engine In a two-cycle, opposed-piston internal combustion engine with optimized cooling and no engine block, the opposed pistons are coupled to a pair of crankshafts by connecting rods that are subject to substantially tensile forces acting between the pistons and the cran... | 01/02/2007 |
| 7069881 | Cooled ring carrier for a piston The invention relates to a cooled ring carrier that is cast into a piston for internal combustion engines. According to the invention, the zone of the ring carrier facing the cooling channel is coated, thereby preventing air from escaping from the cooling channel th... | 07/04/2006 |
| 7033525 | High conductivity polyaniline compositions and uses therefor The present invention describes compositions formed from polyanaline and carbon nanotubes, which exhibit enhanced conductivity and which provide uses in electronic circuit applications. ... | 04/25/2006 |
| 7003878 | Method for producing a ring support with a sheet metal cooling channel welded thereon The invention relates to a method for producing a ring support (1) with a sheet metal cooling channel welded thereon (5), which is transfused later with an aluminium melt for producing a piston. The aim of the invention is to improve the production of ... | 02/28/2006 |
| 6688383 | Cooling a control device of the gearbox of a motor vehicle A method of adjusting an operating temperature of a control device (2) of a motor vehicle automatic transmission. The transmission control has a hydraulic unit (3) and an electronic unit (4) with electronic modules. The control device (3)is situated in a ... | 02/10/2004 |
| 6481396 | Electromagnetic actuator for operating a gas exchange valve of an internal combustion engine In an electromagnetic actuator for actuating a gas exchange valve of an internal combustion engine, the actuator includes at least one electromagnet which is arranged in a housing and acts on an armature through which at least one passage extends transver... | 11/19/2002 |
| 5769037 | Hollow valve in an internal combustion engine A hollow valve is used as an inlet or exhaust valve in an internal combustion engine. A hollow valve has a valve head and a valve stem. A cavity extends from the valve head to the valve stem. A low melting point alloy in solid is inserted into the cavity ... | 06/23/1998 |
| 4699093 | Light weight internal combustion engine with stationary pistons and rotary valves The engine of this invention comprises at least one hollow cylindrical member within which is a non-moveable disc that separates the cylinder into two opposite bores. A stationary piston is slideably contained in each bore. Each bore-piston combination co... | 10/13/1987 |
| 4515110 | Rod bearing lubrication for two-cycle engines This invention is a lubrication pumping means contained within one or more reciprocating rods to assure lubrication of the crankpin rod bearing and the wrist pin bearing during operation of a two-cycle internal combustion engine. The invention teaches a m... | 05/07/1985 |
| 4502421 | Rod lubrication means for two-cycle internal combustion engines This invention is a unique lubrication means contained within a hollow shank of a reciprocating rod including a valve means to maintain a supply of lubricant within the shank of the rod to assure proper lubrication of both the crankpin and wrist pin rod b... | 03/05/1985 |
| 4459949 | Liquid metal cooled internal combustion engine valves with getter A getter selected from the group consisting of zirconium, hafnium, yttrium, and mixtures thereof is used as an additive for metal coolants, e.g., sodium, potassium and sodium-potassium alloys, in metal cooled internal combustion engine valves.... | 07/17/1984 |
| 4449487 | Internal-combustion engine having lubricating and cooling oil circuits An internal-combustion engine includes an oil reservoir, a lubricating oil circuit, a lubricating oil pump drawing oil from the oil reservoir and driving the oil in the lubricating oil circuit and a cooling oil circuit coupled to the lubricating oil circu... | 05/22/1984 |
| 4384555 | Cap for larger end portion of connecting rod of two-stroke internal combustion engine An internal combustion engine having a connecting rod (7) secured to a crankshaft (5) over a bearing (6) by a cap (1), holes in the cap for lubricating the cap side of the connecting rod are improved by providing for at least two holes (A2, A | 05/24/1983 |
| 4190941 | Method of making cooled valves for internal combustion engines and valves obtained thereby The invention relates to a method of manufacturing cooled valves for internal combustion engines. From a first cylindrical billet is formed a valve blank by drilling an axial blind bore therein and machining an inner circumferential groove at the blind en... | 03/04/1980 |
| 4187807 | Cooled engine valve with improved heat transfer An engine valve comprises an elongated stem having a head secured on an end thereof. A tube is disposed in the stem to terminate at an outlet to communicate a liquid coolant, such as oil, to an annular chamber defined in the head. An agitator ring is loos... | 02/12/1980 |
| 4180027 | Two-piece oil-cooled piston A two-piece piston includes head and skirt sections having opposed annular recesses to define a continuous peripheral coolant chamber. A transverse coolant conveying channel communicating at opposite ends with the chamber may also be formed in the skirt s... | 12/25/1979 |
| 4169488 | Cooled engine valve An engine valve, reciprocally mounted in an engine, comprises a hollow stem having a head secured thereon and an annular face defined on the head adapted to engage an annular seat defined on an insert secured in the engine. A first tube is disposed in the... | 10/02/1979 |
| 4164957 | Oil-cooled engine valve An engine valve comprises an elongated hollow stem having a hollow head secured on an end thereof. A tube is disposed in the stem to define an inlet passage therethrough and an outlet passage between the tube and the stem. An annular oil distributor and h... | 08/21/1979 |
| 4124060 | Rotor Cooling a hot component such as a rotor of a rotary piston engine by passing a coolant liquid through a passageway defined between adjacent surfaces of the component and a plug inserted into a socket in the component, the plug being made of a material hav... | 11/07/1978 |
