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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...
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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...
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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...
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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...
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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...
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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...
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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 )...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3060916 |
Valve control mechanism for internal combustion piston engines
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3055350 |
Valve control gear for internal combustion engines having concentric inlet and outlet valves
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3015323 |
Four-stroke internal combustion engine
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3003483 |
Internal combustion piston engine
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2988072 |
Concentric triple valves for internal combustion engines
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2979046 |
Inlet and outlet elements for piston engines
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2958316 |
Valve actuating gear for four-stroke internal combustion engines
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2863429 |
Cylinder-head for internal combustion engine
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0935323 |
Title is not available
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