Matches 1 - 40 out of 40
Match Document Document Title
7588005 Dual intake valve assembly for internal combustion engine  
An intake valve assembly of an internal combustion engine. The intake valve assembly comprises a primary valve, a secondary valve mounted about the primary valve coaxially therewith, a primary...
7311068 Poppet valve and engine using same  
One embodiment of the present invention provides a poppet valve offering an increased valve area, comprising an outer valve head having an outer valve port and an inner valve head having an inner...
7296545 Coaxial poppet valve  
A two-piece intake assembly such as a coaxial poppet valve includes a main poppet valve with a stem attached to a head and an auxiliary poppet valve movable on the inner valve. A guiding element on...
6971344 Internal combustion engine  
An internal combustion engine is provided in which an intake valve, which opens and closes an intake valve hole formed in a cylinder head facing a combustion chamber has a hollow structure. An...
6659059 Variable displacement valve seat for internal combustion engines  
A variable displacement valve seat that consists of an annular ring which is affixed concentrically around a standard valve seat. The annular ring is affixed loosely to allow linear coaxial...
6598577 Intake valve  
An intake valve includes a floating seat for attaining variable valve timing. A valve stem is integral with a valve head base. The valve head base includes a region for accommodating a peripheral...
6546902 Intake and exhaust valve system  
An intake and exhaust valve system ( 10 ) for an internal combustion engine having a combustion chamber ( 19 ) within a cylinder ( 13 ) closed at one end by a cylinder head ( 17 ). A cavity ( 25 )...
6390078 Two stage concentric EGR valves  
A two stage exhaust gas recirculation (EGR) valve delivers a wide range of EGR flow while operating with reduced valve actuating forces allowing use of a reduced cost actuator such as a solenoid...
6237549 Vented valve mechanism for internal combustion engines  
A two piece intake valve for internal combustion engines comprising an inner and an outer valve which can be designed with orbicular heads. The inner valve including a stem of a smaller outer...
6196171 Loop-scavenged two-stroke internal combustion engines  
A loop-scavenged two-stroke internal combustion engines with an intake valve (7) engaging a seat (10) for fresh air intake, and an exhaust valve (8) engaging a seat (13) for combustion gas exhaust,...
5803042 Valves and valve timing for internal combustion engine  
An exhaust valve assembly of an internal combustion engine selectively covers an exhaust manifold circumferentially located about a top wall of a cylinder without interfering with segments of a...
5782215 Intake/exhaust valve  
A valve assembly includes a block with a chamber formed therein and a port for accessing the chamber. A fluid inlet passage and a fluid exhaust passage are formed through the block and communicate...
5555859 Internal combustion engines  
Internal combustion engines with a cylindrical working chamber (1) in which there slides a piston (3), and which is closed by a cylinder head (4) with a device (5) for injecting atomized liquid...
5355848 Internal-combustion engine with concentric, annular intake and exhaust valves  
An internal-combustion-engine cylinder head has a concentric, annular passages to admit an intake charge into a combustion chamber and to remove combustion product exhaust gasses. Each of these...
5140954 Concentric valve structure  
A concentric valve includes a first cylindrical housing and a concentric second cylindrical housing, with the second cylindrical housing defining an internal combustion intake valve mounted within...
5085179 Double poppet valve apparatus  
A double poppet valve apparatus is mounted in a combustion chamber wall. A port is formed in the wall. A first valve member is mounted in the port. A second valve member is concentrically mounted...
5000135 Gasoline engine with single overhead camshaft having duel exhaust cams per cylinder wherein each exhaust cam has duel lobes  
An improved gasoline engine using a spark plug and a spark plug wire is disclosed. The improved gasoline engine includes a cylinder having a cylinder wall and an upper end, a piston movably...
4964384 Tornado engine  
The cylinder head of an engine has internal truncated conical intake and exhaust passageways which create a swirling mixture of gases in the cylinder. The intake valve is in the form of a ring with...
4957073 Multiple concentric intake/exhaust valve system for an internal combustion engine  
An intake and exhaust valve system deployed in an internal combustion engine that improves available charge flow through the engine, provides improved charge turbulence and swirl of charge during...
4942850 Double-flow valve for internal combustion engines  
An inlet and exhaust valve in internal combustion engines is described in the form of a vessel, designed with a large through cavity in its interior. The valve has two guiderods (8, 9) and two...
4901683 Vented valve for internal combustion engines  
A two part intake or exhaust valve comprising an inner and an outer valve, both circular in shape, with the inner valve having a longer stem of a smaller radius to extend above the outer valve. The...
4893592 Combustion chamber for an internal combustion engine  
A combustion chamber of an internal combustion engine includes a co-axial valve mechanism with a hemispherically concave exhaust valve disk actuated by a single overhead camshaft. A piston face is...
4836154 Poppet valve assembly with apertures  
An intake or exhaust valve assembly for use in a four cycle internal combustion engine including a primary poppet valve, said primary poppet valve having at least one aperture disposed through its...
4815422 Four stroke piston engine  
A four-stroke piston engine in which air is drawn into a cylinder while rotary motion about the cylinder axis is imparted to the air. Fuel may be blown/injected into the air during its rotation in...
4649872 Stratified combustion engine  
Combustion engine having a cylinder and a piston movable therein and having a spark plug for igniting the combustible fuel. Three valves are concentricly located coaxially with the spark plug for...
4503817 Annular valve stratified charge spark ignition engines  
An internal combustion engine having an annular port and valve arranged to direct flow from dual inner and outer portions of the port in cylinder flow patterns having radially oppositely directed...
4449490 Concentric intake and exhaust valve assembly  
An internal combustion engine having a cylinder bore providing a combustion chamber, and a piston located in the cylinder bore. A head mounted on the cylinder has concentric intake and exhaust...
4094277 Intake valve mechanism for preventing back flow of exhaust gas  
The intake valve mechanism employs a back-flow valve to prevent undesirable back-flow of gases from a combustion chamber of an internal combustion engine out an intake port of the chamber during a...
3911873 Variable internal combustion engine valve operating system  
System for automatic variation of valve operation including an apparatus and method utilizing the intake manifold vacuum of an internal combustion engine to control the position of auxiliary sleeve...
3903855 Auxiliary intake valve  
An intake valve structure for use in an internal combustion engine wherein a conventional intake poppet valve operable in the normal manner slidably carries an auxiliary intake valve in the form of...
3881459 Inlet valve for internal combustion engine and method for supplying fuel thereto  
An inlet valve means and method for supplying a combustible mixture to the combustion chamber of an internal combustion engine is described. The inlet valve means includes concentrically arranged...
3060916 Valve control mechanism for internal combustion piston engines  
3055350 Valve control gear for internal combustion engines having concentric inlet and outlet valves  
3015323 Four-stroke internal combustion engine  
3003483 Internal combustion piston engine  
2988072 Concentric triple valves for internal combustion engines  
2979046 Inlet and outlet elements for piston engines  
2958316 Valve actuating gear for four-stroke internal combustion engines  
2863429 Cylinder-head for internal combustion engine  
0935323 Title is not available  
Matches 1 - 40 out of 40