"If you build a better mousetrap, you will catch better mice."
George Gobel
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7802551 | Cylinder head for an internal combustion engine A cylinder head for an internal combustion engine is disclosed. The cylinder head includes a one piece main body having at least one internal chamber shaped to accommodate at least one rotary valve. At least one first passage extends between the internal chamber and... | 09/28/2010 |
| 7371265 | Continuous hydrogen and alcohol generator from coal A gas generator with the sole input of air, water and coal that continuously produces hydrogen and carbon monoxide and further reacts these two gases into alcohol. This gas generator/reactor is using its own by-products and is therefore also self sustaining. ... | 05/13/2008 |
| 7328680 | Cylinder head assembly and spherical valve for internal combustion engines A cylinder head assembly includes a spherical valve for an internal combustion engine having at least one cylinder defining a combustion chamber and housing a piston reciprocally movable therein throughout successive intake, compression, power, and exhaust strokes f... | 02/12/2008 |
| 7287496 | Combustion engine valve system A valve system for a combustion engine that includes at least one combustion chamber is disclosed. The combustion chamber includes an intake port and an exhaust port. The valve system includes cylindrical valve shaft, the cylindrical valve shaft having a cylindrical... | 10/30/2007 |
| 7213546 | Engine airflow management system A rotary valve assembly for an internal combustion engine is herein disclosed. The rotary valve assembly comprises a valve body having a number of ports formed therethrough and a bore that intersects these ports such that a valve cylinder inserted into the bore may ... | 05/08/2007 |
| 7121247 | Spherical rotary engine valve assembly A spherical rotary engine valve assembly for use in an internal combustion engine. ... | 10/17/2006 |
| 7111603 | Heli-shaft The HELI-SHAFT intake exhaust manifold system is comprised of a shaft with two helical and parallel runners cutout around its length. Surrounding the shaft is a sleeve of the same length to enclose and separate the two runners. The intake runner has an opening at th... | 09/26/2006 |
| 7089893 | Combustion engine valve system A valve system for a combustion engine that includes at least one combustion chamber is disclosed. The combustion chamber includes an intake port and an exhaust port. The valve system includes cylindrical valve shaft, the cylindrical valve shaft having a cylindrical... | 08/15/2006 |
| 7044097 | Cylinder head A cylinder head 12 showing a guideway in which is located a rotatable valve 10, 12 comprising a fluid port operable to effect fluid communication between a cylinder and a fulid manifold in the guideway, whereby rotation of the valve effects alignment o... | 05/16/2006 |
| 6994067 | Valve timing mechanism for a rotary valve internal combustion engine A rotary valve internal combustion engine comprising a crankshaft, a throttle (23), a throttle actuator, a cylinder head (7), a combustion chamber (8), and at least one rotary valve (1). The rotary valve (1) having at least two por... | 02/07/2006 |
| 6904885 | Osband super inductionexhaustion valveshaft' engine system, V-Type, flat-type, single-type, multi-cylinder four-cycle engine(s) An internal combustion engine; having block valley radiator core, with electrical water pump and air cooling fans, cooling and circulating water through block water passages, and having block valley oil reservoirs positioned under block valley radiator core for oil ... | 06/14/2005 |
| 6763788 | Variable timing mechanism for a rotary valve A variable valve timing mechanism for an internal combustion engine comprising at least one rotary valve (1) having at least two ports terminating as openings (2, 3) in its periphery, a cylinder head (7) having a bore in which the rotary valve (... | 07/20/2004 |
| 6694942 | Four-stroke engine with rotary valve control The invention aims to provide a compact four-stroke engine with rotary valve control and petroil lubrication which has a simplified construction and allows the engine to be used in any position as a result of an improved lubrication system. To this end, t... | 02/24/2004 |
| 6651605 | Rotary valve for piston engine A rotary valve assembly for an internal combustion engine includes a rotatable tubular valve body having a pair of diametrically opposed fluid flow holes that are intermittently aligned with the intake and inlet port of the cylinder as the body rotates. T... | 11/25/2003 |
| 6520138 | Air intake apparatus for internal combustion engine A rotating shaft and a drive shaft are used in an air intake apparatus for an internal combustion engine. At one end portion of the rotating shaft and the drive shaft a sphere portion and a projection portion are formed, and another end portion of the rot... | 02/18/2003 |
| 6443116 | Valve device for an internal combustion engine The invention refers to a valve device for a combustion engine which includes a combustion chamber (1) and at least one channel (5) for communication between the combustion chamber (1) and an external space. The valve device includes a rotatable valve bod... | 09/03/2002 |
| 6308677 | Overhead rotary valve for engines An overhead rotary valve fitted into a cylinder head with diametrical polygonal openings formed therein for use in combination with an internal combustion engine, driven to bring intake and exhaust ports into and out of alignment with passages leading to ... | 10/30/2001 |
| 6293242 | Rotary valve system A complete rotary valve assembly and system is disclosed. The rotary valve includes a generally elongated valve body having first and second ends and a longitudinally extending axis of rotation. The rotary valve is mounted in a housing positioned above a ... | 09/25/2001 |
| 6257191 | Rotary valve system A complete rotary valve assembly and system is disclosed. The rotary valve includes a generally elongated valve body having first and second ends and a longitudinally extending axis of rotation. The rotary valve is mounted in a housing positioned above a ... | 07/10/2001 |
| 6237556 | Rotary valve for internal combustion engines A rotary valve for an internal combustion engine includes a cylindrical valve rotor having an inlet and an outlet port arranged in the circumferential surface thereof, and a plurality of sealing elements mounted on the valve rotor such as to subdivide the... | 05/29/2001 |
| 6199531 | Shutter valve system for internal combustion engines A valve system designed for use in an internal combustion engine to regulate the flow of working fluids including air/fuel mixtures and exhaust gases to and from a cylinder comprising an intake valve and an exhaust valve. At least one but preferably both ... | 03/13/2001 |
| 5941206 | Rotary valve for internal combustion engine A rotary valve for an internal combustion engine, comprising a cylindrical valve rotor having an inlet and an outlet port arranged in the circumferential surface thereof, and a plurality of sealing elements mounted on the valve rotor such as to subdivide ... | 08/24/1999 |
| 5908016 | Carbon fiber reinforced carbon composite rotary valves for internal combustion engines Carbon fiber reinforced carbon composite rotary, sleeve, and disc valves for internal combustion engines and the like are disclosed. The valves are formed from knitted or braided or warp-locked carbon fiber shapes. Also disclosed are valves fabricated fro... | 06/01/1999 |
| 5706775 | Rotary valve apparatus for internal combustion engines and methods of operating same A rotary valve system mounted to an internal combustion engines and method of operating the system primarily comprises a rotary valve mounted within a valve sleeve, which is in turn mounted within a longitudinal bore extending through an intake and exhaus... | 01/13/1998 |
| 5540054 | Engine rotary valves A rotary valve for an engine comprising an outer casing 2 having at least one bore 4, inlet port 30, exhaust port 46 and transfer duct 44 opening into the bore 4 or bores, at least one vaned rotor 26 disposed in the bore 4 or bores, and popper valve means... | 07/30/1996 |
| 5529037 | Lubrication system for rotary valve A rotary valve for an internal combustion engine, of the hollow cylindrical type, characterized in that there are provided in a bore of a cylinder head, in which the valve rotates, oil applicators arranged on either side of openings in the valve, each app... | 06/25/1996 |
| 5526780 | Gas sealing system for rotary valves A rotary valve assembly for an internal combustion engine characterized in that the valve has a combination of axial sealing elements (21,22) and inner circumferential sealing elements (23,24) arranged to form a first seal pressurizing cavity extending ci... | 06/18/1996 |
| 5524579 | Air cooled rotary distribution valve for internal combustion engine A rotary distribution and air cooling valve for combustion and exhaust gases for an internal combustion engine consisting of a tube mounted in a bore within the engine head having a pair of opposed side ports and an internal barrier which acts as an air f... | 06/11/1996 |
| 5509386 | Sealing means for rotary valves A rotary valve (10) of an internal combustion engine, of the hollow cylindrical type for rotation in the bore (20) of the cylinder head of the engine, the valve (10) having oil and gas seals (17,14) to prevent leakage of oil to the combustion chamber and ... | 04/23/1996 |
| 5503124 | Rotary valve with seal supporting tongue A rotary valve (10) for an internal combustion engine, of the hollow cylindrical type, having one or more openings (14) arranged to pass periodically over a window in the cylinder head bore, characterized in that the valve (10) also incorporates at least ... | 04/02/1996 |
| 5490485 | Rotary valve for internal combustion engine A rotary valve for use in an internal combustion engine and capable of providing high volumetric efficiency is disclosed. The rotary valve generally includes a cylindrical tube having an outer wall that defines intake and exhaust ports positioned to commu... | 02/13/1996 |
| 5398647 | Combined sleeve/poppet valve for internal combustion engine An internal combustion engine having intake and exhaust manifolds and a cylinder defining a combustion chamber in which a piston reciprocates and having a wall formed with a port has a combined poppet/slide valve. This valve has a lift valve having a head... | 03/21/1995 |
| 5392743 | Variable duration rotary valve A rotary valve which may be axially adjusted for varying an open duration of the valve. The device includes a rotary valve having a substantially wedge shaped, contoured aperture which allows passage of a combustion mixture through an intake port and into... | 02/28/1995 |
| 5315969 | Internal combustion engine with rotary valves An improved internal combustion engine with rotary valves. The engine includes a cylinder head above each cylinder and there is a single opening located in the cylinder head above each piston for use as an intake and as an exhaust port. A rotary valve mem... | 05/31/1994 |
| 5255645 | Rotary valve for an internal combustion engine The rotary valve assembly of the present invention employs a rotary valve body member that is rotatably mounted in a cylindrical opening in a valve casing forming the head above a piston. The axis of this opening and the rotary valve are perpendicular to ... | 10/26/1993 |
| 5251591 | Rotary valve for an internal combustion engine A valve is comprised of two parallel passageways running transversely through a cylindrical valve shaft. Several valves are spaced axially in the valve shaft. The valve shaft axially rotates in the upper portion of an internal combustion engine. Each of t... | 10/12/1993 |
| 5205251 | Rotary valve for internal combustion engine There is provided a rotary valve system for an internal combustion engine which has the capabilities of advancing of retarding the openings of the valves. The rotary valves comprise a cylindrical valve body rotatably disposed within a valve sleeve. The va... | 04/27/1993 |
| 5154147 | Rotary valve A rotary valve, having a cylindrical rotor mounted within a cylindrical bore in a casing with a predetermined clearance defined between the cylindrical surface of the rotor and the cylindrical edge surface of the bore, a first seal sealing posible leaks o... | 10/13/1992 |
| 5095870 | Rotary valve four-cycle engine An internal combustion engine which includes a combustion head adapted to be bolted to the top of a cylinder block and includes a solid cylindrical rotary valve extending longitudinally in a complementary bore in the head which is parallel to the axis of ... | 03/17/1992 |
| 5074265 | Rotary valve with facility for stratified combustion in the internal combustion engine A coaxial rotary valve mechanism for an internal combustion engine that incorporates two coaxial, cylinder shaped rotors in the cylinder head, rotating with speed ratio of 2:1 so that ports in their surfaces align at the appropriate segments of the operat... | 12/24/1991 |