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| Number | Title | Issue Date |
| 7650869 | Rotary valves and valve seal assemblies Novel rotary valve assemblies and valve components for use with an internal combustion engine are disclosed. Valve seal assembly anchors are also described. Selected valve port geometries and axial adjustment for variable valve area for desired engine efficiency and... | 01/26/2010 |
| 7621249 | Port sealing in a rotary valve An axial flow rotary valve (1) for an internal combustion engine comprising a cylinder head (10) having a bore in which an axial flow rotary valve (1) rotates. The valve having a cylindrical centre portion (4), and an inlet and an exhaust... | 11/24/2009 |
| 7458357 | Gas sealing element for a rotary valve engine A gas sealing element of an array of floating seals for a rotary valve internal combustion engine. The engine comprising a cylinder head (6) having a bore (8), a rotary valve (1) within the bore with a predetermined clearance, and a window (1... | 12/02/2008 |
| 7401587 | Gas and oil sealing in a rotary valve A sealing system for an axial flow rotary valve internal combustion engine comprising an array of floating gas seals and an optional oil sealing system. The array of floating seals surrounding a window (15) in the bore (11) of the cylinder head (10 | 07/22/2008 |
| 7380532 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 06/03/2008 |
| 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 |
| 7134416 | Rotary valve seal The invention relates to a valve seal mechanism for a rotatable valve assembly that provides a sealing function between a rotating first valve element and a fixed second valve element as used in a rotary cylinder valve engine. In one embodiment the seal mechansim co... | 11/14/2006 |
| 7121247 | Spherical rotary engine valve assembly A spherical rotary engine valve assembly for use in an internal combustion engine. ... | 10/17/2006 |
| 7073775 | Rotating check valve for compression equipment Methods and apparatus for controlling the flow through a compressor with a valve assembly comprising a rotating body having an outer surface. The rotating body is disposed within a valve cavity in the compressor. A non-contacting seal operates to limit the flow of f... | 07/11/2006 |
| 7025030 | Valve stem seal assembly with changeable cap A valve stem seal assembly includes a changeable cap. The cap is made of a flexible material, such as plastic or the like. A sealing element with sealing lips for sealing the valve stem is integrally bonded to the cap. The cap includes one or more tabs with a grippi... | 04/11/2006 |
| 7004119 | Apparatus and method for rotating sleeve engine hydrodynamic seal A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw... | 02/28/2006 |
| 6994316 | Rotor valve and seal A rotor valve (10) having a rotor seal (34) containing a centrally disposed opening (52) for directing an external pressure (Pe) to a rear surface (35) of the seal for applying a sealing force against a sealing surface (36 | 02/07/2006 |
| 6976465 | Disc valve intermediate ring seal Between the cylinder head and combustion chamber of an internal combustion engine, an intermediate sealing ring. The sealing ring is in sliding contact at its top circular surface with a disc valve rotatively mounted in said cylinder head and at its outer periphery ... | 12/20/2005 |
| 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 |
| 6880511 | Valve seal assembly for rotary valve engine A valve seal for a rotary valve assembly for use in an internal combustion engine of the piston and cylinder type, wherein the cylinder head/combustion chamber is designed for high compression and of long stroke, such as a diesel engine, the rotary valves and the va... | 04/19/2005 |
| 6877719 | Valve shaft seal A valve shaft seal includes a reinforcing ring having a cylindrical section extending over a certain axial length and possessing an outer diameter, a sealing element disposed on the reinforcing ring, and a valve spring supported on a radially extending end section o... | 04/12/2005 |
| 6830025 | Dual spring valve stem seal module A dual spring valve stem seal module utilizes an inner retention spring to incorporate a valve stem seal assembly, a valve spring and a spring retainer. The dual spring valve stem seal module reduces the inventory and simplifies the assembly required for the valve s... | 12/14/2004 |
| 6755171 | Twin rotary valves for a four stroke internal combustion engine A rotary valve that includes three sealing blades and four sealing rings. Two on each end. The valve assembly rotates at one half of crank speed, for a (single cylinder four-cycle engine.) This aligns timing of the port in the valve with the port of the cylinder hea... | 06/29/2004 |
| 6718933 | Valve seal for rotary valve engine A valve seal for a rotary valve assembly for use in an internal combustion engine of the piston and cylinder type, the valve seal having a valve body member having a curved annular upper surface conforming to the spherical periphery of a spherical rotary valve, the ... | 04/13/2004 |
| 6691664 | Direct port rotary valve mechanism with variable timing for internal combustion engines Disclosed is a variably timed rotary valve mechanism for controlling the air/fuel intake into and exhaust gases out of an internal combustion engine. There are two rotary valve shafts, one intake and one exhaust, that contain two intake and two exhaust va... | 02/17/2004 |
| 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 |
| 6647943 | Valve stem seal assembly with locator system A valve stem seal component overcomes potential orientation misplacement, particularly in cases where no valve stem seal is to be used on an adjacent valve. The component includes an integral locator feature for assuring proper installation atop a valve g... | 11/18/2003 |
| 6578538 | 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... | 06/17/2003 |
| 6497226 | Modular, compliant, sealing bearing assembly An improved modular, radially-compliant, redundantly-sealing journal-type bearing assembly comprising two bearing elements retained in a housing and positively loaded in opposing directions by a compression spring disposed therebetween. A shaft to be supp... | 12/24/2002 |
| 6390048 | Valve apparatus for internal combustion engine A gas valve apparatus for an internal combustion engine having a combustion chamber. The gas valve apparatus includes a rotary intake valve located between an outer intake port and inner intake port at the combustion chamber and a rotary exhaust valve loc... | 05/21/2002 |
| 6230679 | Valve stem seal with pads and tangs A valve stem seal assembly includes a resilient seal member mounted to a shell body having a downwardly extending skirt. At least one alignment pad or tang is provided in the skirt of the shell body for improved gripping of an outside diameter of a valve ... | 05/15/2001 |
| 6205960 | Rotary and reciprocating internal combustion engine and compressor Disclosed is a self-sealing valve and cylinder configuration, an internal combustion rotary engine, or pump or compressor, with a rotating central housing which includes at least one cylinder aperture, a non-rotating timing pulley mount concentrically pos... | 03/27/2001 |
| 6138628 | Camshaft controller, in particular for use in an induction manifold system for a multi-cylinder internal combustion engine A camshaft controller (10), in particular for use in an induction manifold system for a multi-cylinder internal combustion engine, including an induction distributor (11) with individual induction pipes (16 to 19) which are disposed adjacent one another a... | 10/31/2000 |
| 6098579 | Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine 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... | 08/08/2000 |
| 5996544 | Rotary valve control system for internal combustion engines and reciprocating pumps The invention relates to a rotary valve control system for internal combustion engines and reciprocating pumps. A rotationally symmetrical, dome-shaped, drivable rotary valve is arranged in the cylinder head of the engine. In the cylinder head there is in... | 12/07/1999 |
| 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 |
| 5878707 | Rotary valve internal combustion engine An improved internal combustion engine includes a rotary valve member fitted into a cylinder head with cylindrical openings formed therein. The rotary valve is driven to bring working fluid delivery and evacuation ports into and out of registry with ports... | 03/09/1999 |
| 5875744 | Rotary and reciprocating internal combustion engine and compressor Disclosed is a self-sealing valve and cylinder configuration, an internal combustion rotary engine, or pump or compressor, with a rotating central housing which includes at least one cylinder aperture, a non-rotating timing pulley mount concentrically pos... | 03/02/1999 |
| 5655494 | Variable roller valve system for internal combustion engine A dynamic seal for containing gas flow between a roller valve and a cylinder in an internal combustion engine. Vents from the cylinder cavity allow pressure therefrom, particularly on the compression and power strokes, to exert a force against the back of... | 08/12/1997 |
| 5642699 | Rotary valve system A rotary valve system for a four stroke engine is provided. The rotary valve system includes: an engine having a plurality of cylinders, a crankshaft, a fuel injector and an exhaust manifold; an intake valve assembly rotatably mounted within the engine in... | 07/01/1997 |
| 5626107 | Valve systems for internal combustion piston engines Valves for an internal combustion engine are mounted for rocking movements about an axis perpendicular to a cylinder axis of the engine, and define passage portions extending perpendicular to their rocking axes so that they move between positions in which... | 05/06/1997 |
| 5579730 | Rotary valve head assembly and related drive system for internal combustion engines A rotary valve head assembly including a split head assembly, a rotary spool assembly, spool drive assemblies, and bearing and spool lubrication components. The split head assembly has bores for containing the spool assembly, bearings and spool seals, and... | 12/03/1996 |
| 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 |
| 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 |
