Class 123/79R - Single poppet valve

Subclass of Class 123 - Internal-combustion engines
Definition: Four-cycle internal-combustion engines in which the combustible
No. of patents: 35
Last issue date: 05/27/2008

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Number	Title	Issue Date
7377249	Outward-opening gas-exchange valve system for an internal combustion engine An outwardly-opening gas-exchange valve assembly for an internal combustion engine. The valve assembly includes a port in a firing chamber in an engine head, the port having a valve seat on a side opposite from the firing chamber. A piston-shaped poppet valve head s...	05/27/2008
7278449	Switch, especially for branching off bulk material flows The invention relates to a switch for branching off bulk material flows, the switch includes a rotary plug (1) which is arranged in a fixed housing having preferably three connection openings. In a first position the plug establishes a connection between a fi...	10/09/2007
7273026	Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i...	09/25/2007
7096838	Reversible four cycle internal combustion engine A reversible four cycle internal combustion engine. A crankshaft is rotatably mounted in a block and a piston is operatively mounted to a crankshaft via a connecting rod. A follower wheel traverses a cam as the cam rotates with the crankshaft, and in doing so, cause...	08/29/2006
7017538	Method of producing a powerful and efficient internal combustion four stroke engine using a blower and a single valve cylinder The present invention relates generally to a method for providing an efficient and powerful engine for internal combustion four stroke engines using a single valve per cylinder as the intake and exhaust valve. Outside air emerging from an air filter is forcibly pump...	03/28/2006
6951148	Device for converting a rotational movement into a reciprocating movement A device for transforming a rotational movement into a reciprocating to-and-fro movement has a cam element on a driven carrier shaft. The cam element has an eccentric control area, or lobe. A cam follower can be displaced or pivoted by the cam element. The cam eleme...	10/04/2005
6789513	Bazmi's six-stroke engine with intake-exhaust valves The present invention relates to a six-stroke internal combustion engine with intake-exhaust valves. All valves in the combustion chamber are named intake-exhaust valves, because said valves function as both intake valves in an intake stroke and exhaust valves in an...	09/14/2004
6293236	Breathing system for internal combustion engines, using dual duty (alternatively exhaust-intake) valves and a forced air supply Breathing system for four-stroke, fuel injected internal combustion engines, wherein each poppet valve of each cylinder accomplishes a dual-duty to serve both as an exhaust valve (in the final process of a given cycle) and subsequently as an inlet valve (...	09/25/2001
6273038	Rotary distribution system internal combustion engine An internal combustion engine having a plurality of cylinders, comprising a movably mounted distribution element, wherein the distribution element in a first configuration fluidly couples an intake portion of a first cylinder of the plurality of cylinders...	08/14/2001
5975035	Engine air induction circuit The inventon is an improvement of the air induction circuit for internal combustion reciprocating piston engines which employ regenerative heating for the volatilization of fuels and their admixtures in an injection cup heated by the exhaust stream, and i...	11/02/1999
5957106	Engine having an intake/exhaust valve integrated with a fuel injector A fuel injection system includes a hydraulically-actuated electronically-controlled fuel injector having a needle valve member and an injector body that defines a fuel pressurization chamber that opens to a nozzle outlet. The needle valve member is positi...	09/28/1999
5673656	Cylinder head for a four stroke combustion engine A cylinder head for a four-stroke combustion engine includes at least one inlet conduit having a valve and/or slide valve and at least one exhaust conduit situated in the cylinder head. The inlet conduit and the exhaust conduit connect into a single main ...	10/07/1997
5671704	Cylinder head with colander valve A cylinder head with single colander valve per cylinder for internal combustion engines (IC engine) and the like is provided. The single colander valve per cylinder has significantly enlarged valve open area and remains fully open at the end of the exhaus...	09/30/1997
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
5522358	Fluid controlling system for an engine A fluid system of an engine which has an outwardly opening engine valve controls fluid delivery and removal from first and second cylinders for controlling the position of the engine valve and injection of fuel responsive to the position of the engine pis...	06/04/1996
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
5331929	Cylinder head for internal combustion engine and a process of operating same A cylinder head for an internal combustion engine of either a two-cycle operation or a four-cycle operation is disclosed. The cylinder head includes an intake port, an exhaust port, a dual-function chamber, a poppet valve positioned within the dual-functi...	07/26/1994
5331930	Univalve engine The invention relates to new and useful improvements in those types of internal combustion engines which employ a single poppet valve to alternately control both the intake and exhaust flows through the same valve port. The exhaust and intake air interact...	07/26/1994
5205246	Economy engine The invention presents new and useful improvements in the mechanical design of control elements used in the sequencing of the exhaust and intake process cycles of the 4-stroke reciprocating piston engine. The exhaust and induction circuits pass through th...	04/27/1993
5020486	Partitioned poppet valve mechanism seprating inlet and exhaust tracts A valve mechanism for a reciprocating piston internal combustion engine having one large poppet valve per cylinder communicating with both inlet and exhaust tracts. A partition between the inlet and exhaust tracts has gas flow ports therethrough moving in...	06/04/1991
5005538	Extended circumference intake poppet valve system for opening and sealing a single valve seat An extended circumference intake poppet valve system for use with a single charge carrying intake duct/port to an engine cylinder in a four cycle internal combustion engine to include three or more annular intake poppet valves (secondary valves), annular ...	04/09/1991
4889088	Fluid flow control method and apparatus for a positive displacement engine or compressor A fluid control apparatus and method for a positive displacement engine or compressor which has a treatment chamber that communicates with a fluid admission duct and an exhaust duct via a port, and contains a piston within the treatment chamber which reci...	12/26/1989
4821683	Portable power tool with improved combustion chamber charging means A portable power tool comprising a housing defining a combustion chamber and a cylindrical chamber having a reciprocating piston therein. The combustion chamber has an opening defined by a valve seat closable by a poppet valve and serving as an inlet at o...	04/18/1989
4674450	Internal combustion engines The present invention provides an internal combustion engine comprising a combustion chamber, a piston mounted within the combustion chamber and arranged to be sealingly engaged with walls of the combustion chamber, the piston being arranged for reciproca...	06/23/1987
4608828	Supercharged four-stroke engine with singly valved cylinders and pass-around of compressed air Each cylinder of a supercharged four-stroke internal combustion engine is provided with a multi-purpose duct which passes from the compressed air manifold to the exhaust manifold and has a short branch within the cylinder head structure leading directly d...	09/02/1986
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 flow components. Various embodiments providing cylinder cha...	03/12/1985
4487171	Internal combustion engine having diverter valve and separate passage for purging engine Improvements in a fuel injected, internal combustion engine having a first passage for flow of air into the combustion chamber and exit of exhaust gases from the combustion chamber and a single poppet valve opened and closed in timed relation to rotation ...	12/11/1984
4372259	Internal combustion engine Improvements in a fuel injected, internal combustion engine having a first passage for flow of air into the combustion chamber and exit of exhaust gases from the combustion chamber and a single poppet valve opened and closed in timed relation to rotation ...	02/08/1983
4354459	Non-throttling control apparatus for spark ignition internal combustion engines A rotary valve assembly will be utilized on internal combustion engines for regulating air-fuel mixture from a carburetor or other fuel injection system entering the cylinders of either two stroke or four stroke spark ignition engines serving to improve t...	10/19/1982
4273083	Distribution system for the intake and exhaust of a super charged internal combustion engine The invention relates to a distribution system for the intake and exhaust in an internal combustion engine. According to the invention, a cylinder is connected to an exhaust manifold by means of a connecting valve 10. An intake mainfold 10 opens into the ...	06/16/1981
4201174	Rotary valve system for motors and the like having improved sealing means A rotary valve system for a motor and the like includes a flow conduit and rotary valve means interposed in the flow conduit. Intermittent sealing means are provided for preventing flow through the flow conduit, comprising a sealing surface intermittently...	05/06/1980
4173901	Ball joint and pole assembly for starter motor This specification discloses an automobile starter motor having a lever pivotally coupled to the housing of the starter and movably supporting a pole piece so that energizing the starter causes the pole piece to move toward the housing and to align to sea...	11/13/1979
4119077	Rotary valve system for motors and the like having improved sealing means A rotary valve system for a motor and the like includes a flow conduit and rotary valve means interposed in the flow conduit. Intermittent sealing means are provided for preventing flow through the flow conduit, comprising a sealing surface intermittently...	10/10/1978
4098238	Rotary valve system for motors and the like having improved sealing means A rotary valve system for a motor and the like includes a flow conduit and rotary valve means interposed in the flow conduit. Intermittent sealing means are provided for preventing flow through the flow conduit, comprising a sealing surface intermittently...	07/04/1978
4075986	Rotary-poppet valve internal combustion engine An internal combustion engine of the four cycle reciprocating piston type wherein intake and exhaust of working fluid and combustible fuel into the engine cylinder is controlled by poppet valve means, while induction air is diverted by rotary valve means ...	02/28/1978

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Class 123/79R - Single poppet valve