Class / Patent application number | Description | Number of patent applications / Date published |
123190100 | Rotary | 34 |
20080210190 | Rotary valve for use in an internal combustion engine - In one aspect, the present disclosure is directed to a rotary valve including a valve body having a curved portion and two side portions, wherein a line extending through the respective centers of the side portions defines an axis of rotation of the rotary valve. The valve body may include a first fluid connection arranged in the body to fluidly connect at least one of the side portions and the curved portion, via a first opening in at least one of the side portions and a second opening in the curved portion. The valve body may also include a second fluid connection arranged in the body to fluidly connect at least one of the side portions and the curved portion, via a third opening in at least one of the side portions and a fourth opening in the curved portion, respectively. | 09-04-2008 |
20080236535 | Rotary valve for an internal combustion engine - Rotary valves for internal combustion engines according to embodiments of the present invention comprise a conical valve portion with a first port of the rotary valve for feeding a fuel to the combustion chamber, respectively for an outlet of an exhaust from the combustion chamber, whereas the first port is located within a superficies surface of the conical valve portion; furthermore a cylindrical valve portion is arrange at a thick end of the conical valve portion, whereas a second port of the rotary valve for the fuel, respectively for the exhaust is located within a superficies surface of the cylindrical valve portion. | 10-02-2008 |
20090084338 | EXHAUST CONTROL DEVICE FOR VEHICLE ENGINE - An exhaust control device for a vehicle engine wherein an exhaust pipe forms an exhaust passage along with an exhaust port is connected to a cylinder head via the exhaust port. A rotary valve is capable of changing the opening area of the exhaust passage. The rotary valve being disposed in approximately the middle of the exhaust passage. The opening area of the exhaust passage is made controllable by the rotary valve while avoiding an increase in the number of component parts. A rotary valve having a turning axis located at a position offset from the center of the exhaust port is housed in a valve housing provided integrally with a cylinder head. | 04-02-2009 |
20090188462 | VALVE APPARATUS - A valve apparatus includes a valve shaft, a body, a bearing housing, a fixing device, and an actuator. The body has a flow path therein, and the flow path has an opening degree that is operated by rotation of the valve shaft. The bearing housing rotatably supports the valve shaft, and the bearing housing has a predetermined attachment portion. The fixing device fixes the bearing housing to the body by fastening the predetermined attachment portion of the bearing housing to an outer surface of the body. The actuator is provided to cover the fixing device from outside, and the actuator is fixed to the body and the bearing housing. The actuator applies a driving force to the valve shaft. | 07-30-2009 |
20100170466 | OPPOSED PISTON DIESEL ENGINE - An opposed piston engine includes a valve mechanism for regulating fluid flow through an opening formed in a cylinder of the engine. The mechanism includes a valve operatively coupled to the cylinder so as to be rotatable to a first position to seal the opening and to a second position to unseal the opening, and at least one cam surface operatively coupled to the cylinder so as to be movable with respect to the cylinder to engage the valve so as to produce rotation of the valve. | 07-08-2010 |
20100192893 | Bearing device - A bearing device includes a plurality of pairs of bearing parts for supporting shafts to each of which a plurality valves are attached and connecting parts for connecting the bearing parts. | 08-05-2010 |
20100263618 | VALVE MODULE FOR A COMBUSTION ENGINE BREATHING SYSTEM - A valve module for a combustion engine breathing system, and products and systems using the same. | 10-21-2010 |
20110061625 | EXHAUST THROTTLE-EGR VALVE MODULE FOR A DIESEL ENGINE - A valve assembly for use in an air management assembly having an engine, an exhaust side, and an intake side, where the valve assembly provides a housing, a plurality of openings in the housing, a valve in the housing, and an actuator operably connected to the valve. The housing is in fluid communication with the exhaust side and the intake side. The plurality of openings in the housing form at least one inlet and at least one outlet in the housing. The valve moves with respect to the plurality of openings. | 03-17-2011 |
20110265754 | VALVE UNIT FOR AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE - The invention relates to a valve unit for at least one of influencing and controlling a gas flow in an internal combustion engine comprising at least one valve member for modifying a cross-section of a gas flow-carrying channel through which a fluid flows and a drive train for rotatingly driving the at least one valve member. The drive train comprises an input shaft, which is drivingly coupled to a drive device in the mounted state, and at least one valve member shaft which is non-rotationally connected to the valve member. It is especially advantageous if the drive train comprises at least one phase adjuster for drivingly coupling the input shaft and the valve member shaft, a rotational position of the shafts in relation to each other being adjustable by the phase adjuster. | 11-03-2011 |
20110308491 | INTERNAL COMBUSTION ENGINE - A rotary valve internal combustion engine has a piston connected to a crankshaft and reciprocatable in a cylinder, a combustion chamber being defined in part by the piston, and a rotary valve rotatable in a valve housing fixed relative to the cylinder, the rotary valve having a valve body containing a volume defining, in part, the combustion chamber and further having a port giving, during rotation of the valve, fluid communication successively to and from the combustion chamber via inlet and exhaust ports. | 12-22-2011 |
20120285411 | VALVE DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A valve device for an internal combustion engine includes a multi-part housing. A drive unit generates a rotational moment. The drive unit is arranged in a motor chamber. A transmission unit is arranged in a transmission chamber. An eccentric is configured to be driven by the transmission unit. A valve rod is configured to be displaceable in translation. The valve rod extends into a valve rod displacement chamber. A coupling element converts a displacement of the eccentric into a translational displacement of the valve rod. A valve seat is arranged between an inlet and an outlet. A valve closing body is attached to the valve rod. The valve closing body is configured to be lowered onto the valve seat and lifted off the valve seat. A cover is disposed between the eccentric and the coupling element. The cover is configured to separate the transmission chamber from the valve rod displacement chamber. | 11-15-2012 |
20130118435 | DISCHARGE VALVE ASSEMBLY FOR TWO-STROKE ENGINE, PROVIDED WITH COOLING, NON-CONTACTING SEAL AND SELF-CLEANING - A discharge valve assembly for a two-stroke internal combustion engine is disclosed, having a cylindrical shutter revolvingly mounted into a housing. A canal is left between the external surface of the shutter and the internal surface of the housing to avoid contact between surfaces and ensure valve seal. | 05-16-2013 |
20150128891 | ENGINE CONTROL VALVE - An engine control valve includes a flap pivotally mounted on an axis separating the said flap into a first part and a second part that are joined together at an interface plane defining a planar shoulder, the flap being capable of occupying a closed position in order to interrupt the passage of the gases, and for which purpose the first part interacts with a first portion of a joint and the second part interacts with a second portion of this joint, the joint being integral with the internal structure of the valve. A valve is characterized mainly by the first part of the flap has an overhang that arises on the shoulder and extends parallel to the second part of the flap. | 05-14-2015 |
20150136061 | ENGINE CONTROL VALVE WITH IMPROVED OPERATION - The invention relates to an engine control valve including a body defining an inner duct and comprising a flap ( | 05-21-2015 |
20160138533 | VALVE, IN PARTICULAR AN ENGINE CONTROL VALVE, EQUIPPED WITH A METERING GATE AND A DIVERTER GATE - The invention relates to a valve comprising: at least three channels ( | 05-19-2016 |
123190120 | Sleeve | 4 |
20090194058 | Cylindrical valve system - The Cylindrical Valve System is a more efficient method of allowing Intake and Exhaust to occur in an internal combustion engine or similar device. It removes the restrictive camshaft, valves and valve springs and substitutes two highly efficient tubes spinning on roller bearings. Try to imagine turning a camshaft and overcoming the restriction of the valve springs, it is impossible. However, with the Cylindrical Valve System it is easily accomplished by hand. | 08-06-2009 |
20130180492 | ROTARY VALVE SYSTEM - The present invention comprises a rotary valve apparatus for internal combustion engines having a cylindrical outer casing, an inlet port and an outlet port on an outer wall thereof. The cylindrical outer casing having a bottom opening and dimensioned and configured to be secured over an engine cylinder. An inner rotor having a shaft with a first end and a second end, and a lower circular member at the second end. The first end having a plurality of vertical splines and the lower circular member having a cutout portion, a circular end cap having an inlet port and an outlet port disposed within the bottom opening of the outer casing. The inner rotor rotatably mounted on the circular end cap wherein the cutout portion can align with the inlet port or the outlet port and a gear assembly rotating the inner rotor. | 07-18-2013 |
123190130 | With lubrication means | 2 |
20090266329 | INTERNAL COMBUSTION ENGINE - An internal combustion engine is provided. Facing pistons eliminate a cylinder head, thereby reducing heat losses through a cylinder head. Facing pistons also halve the stroke that would be required for one piston to provide the same compression ratio, and the engine can thus be run at higher revolutions per minute and produce more power. An internal sleeve valve is provided for space and other considerations. A combustion chamber size-varying mechanism allows for adjustment of the minimum size of an internal volume to increase efficiency at partial-power operation. Variable intake valve operation is used to control engine power. | 10-29-2009 |
20130146013 | INTERNAL COMBUSTION ENGINE - An internal combustion engine is provided. Facing pistons eliminate a cylinder head, thereby reducing heat losses through a cylinder head. Facing pistons also halve the stroke that would be required for one piston to provide the same compression ratio, and the engine can thus be run at higher revolutions per minute and produce more power. An internal sleeve valve is provided for space and other considerations. A combustion chamber size-varying mechanism allows for adjustment of the minimum size of an internal volume to increase efficiency at partial-power operation. Variable intake valve operation is used to control engine power. | 06-13-2013 |
123190400 | Double function type | 5 |
20090025673 | Dual-level combustion chamber system, for fastener driving tool, having dual-level rotary valve mechanism incorporated therein - A combustion chamber system, for use in connection with internal combustion powered fastener-driving tools, comprises a dual-level combustion chamber comprising first and second pre-combustion and main combustion chambers, and a dual-level rotary valve mechanism which is operatively connected to the dual-level combustion chamber so as to control the intake of the air/fuel mixture as well as the scavenging or purging of the exhaust gases or combustion products. The first and second pre-combustion and main combustion chambers are also separated by a plate having a plurality of apertures defined therein whereby multiple jets or flame fronts are defined throughout the combustion chamber system. | 01-29-2009 |
20110277719 | ROTARY INTAKE AND EXHAUST SYSTEM - A rotary intake and exhaust system for an internal combustion piston engine that includes an engine having at least one cylinder and piston that define a combustion chamber. A crankshaft is coupled to the piston for moving the piston within the cylinder. A cylinder head is positioned to interface with the combustion chamber and includes a combustion chamber transfer port, and bifurcated intake and exhaust passages, called ports or tracts, formed therein. A driven rotatable shaft is positioned in the cylinder head to interact with the combustion chamber transfer port. The shaft includes intake and exhaust ports wherein rotation of the shaft transfers fluids and gases in and out of the combustion chamber. | 11-17-2011 |
20140338631 | Internal combustion engines and related methods - In general, the disclosed apparatus is an internal combustion engine with a revolving gateway of fuel and exhaust ducts above the engine block. In operation, orifices in the fuel and exhaust ducts are interchangeably interfaced with an opening in a combustion chamber of the engine block during intake and exhaust strokes respectively of the combustion chamber's piston. | 11-20-2014 |
20160201583 | MULTI-CYLINDER OTTO-CYCLE ENGINE AND METHOD FOR OPERATING THE SAME | 07-14-2016 |
123190500 | For two or more cylinders | 1 |
20120085311 | VALVE SYSTEM FOR PISTON ENGINES - The various embodiments of the present invention provide a rotary valve system for piston engines. The valve system for piston engines comprises an intake rotary valve, an exhaust rotary valve arranged in conjunction with the intake rotary valve, a crankshaft gear and a plurality of spindle gears. The plurality of spindle gears are connected to at least one of the intake rotary valve and the exhaust rotary valve to transfer a rotary force from the crankshaft gear to at-least one of the intake rotary valves and exhaust rotary valves such that intake rotary valve and the exhaust rotary valve are set in motion. The valve system provides for changing the volume and timing for entering the fuel and the air into the engine and exiting smoke from the engine. The rotary valve system decreases shake of the engine and performs the required performance of the engine within specified range. | 04-12-2012 |
123190140 | Disc, cone, or sphere shaped | 5 |
20090064961 | RECIPROCATING PISTON CYLINDER HEAD COVER HAVING AN INTEGRATED FLUID EXCHANGE ROTARY DISC VALVE - A cylinder head cover for a reciprocating compressor cylinder such as an air compressor or internal combustion engine is disclosed. The cover includes a first plate having a first and second channel in a surface of the first plate, wherein the first and second channels merge together within the plate at a first opening through the bottom surface of the first plate. A second plate is fastened over the first plate. The second plate has a pair of bores therethrough each aligned with one of the first and second channels in the first plate. A fourth plate is fastened over the second plate forming a cavity between the second and fourth plates. The fourth plate has a pair of spaced bores therethrough aligned with the bores through the second plate. A rotating third plate is rotatably disposed between the second and fourth plates. This third plate has a pair of spaced bores therethrough for sequentially aligning with one of the pair of bores through the second plate. During a full rotation of the third plate each bore through the third plate aligns with each bore through the second and fourth plates. | 03-12-2009 |
20090126671 | INTAKE AND EXHAUST DEVICE EQUIPPED WITH FIRST VALVE DISK AND SECOND VALVE DISK - The intake and exhaust device equipped with a first valve disk and a second valve disk may include a cylinder in which an intake port and an exhaust port are formed, a circular first valve disk in which a first hole corresponding to one of the intake port and the exhaust port is formed and that covers an upper side of the cylinder including the intake port and the exhaust port, a circular second valve disk that is slidingly overlapped on the first valve disk and in which a second hole corresponding to the first hole is formed, a first driving portion for rotating a first driving pipe, a second driving portion for rotating a second driving pipe, and a control portion for controlling the first driving portion, the second driving portion, the intake port or the exhaust port. | 05-21-2009 |
20090133660 | VALVE, ESPECIALLY ROTARY PISTON VALVE, AND EXHAUST GAS RETURN SYSTEM COMPRISING SUCH A VALVE - The invention relates to a valve, especially a rotary piston valve ( | 05-28-2009 |
20100126456 | FLEXIBLE ROTARY DISC ACTUATOR FOR INLET AND EXHAUST-VALVE ARRANGEMENT FOR AN INTERNAL-COMBUSTION ENGINE - The invention relates to an inlet and exhaust valve arrangement ( | 05-27-2010 |
20150315984 | FLAP DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A flap device for an internal combustion engine includes a flow housing comprising a flow channel, an actuating shaft, a flap body arranged on the actuating shaft in the flow channel, a bore comprising a shoulder arranged in the flow housing, a bearing bush arranged in the bore, a closure bush, a slide ring comprising a slide ring inner portion, and a sealing element surrounding the actuating shaft. The actuating shaft is mounted in the bearing bush. The sealing element comprises a membrane with a membrane inner portion and a membrane outer portion. The membrane outer portion is clamped axially between the closure bush and the shoulder to form a contact surface on the bore of the flow housing. The membrane inner portion rests against the slide ring inner portion to form a mating surface which is arranged closer to the flow channel than to the contact surface. | 11-05-2015 |
123190200 | Single function, (i.e., exhaust and intake by separate tube) | 1 |
20140158080 | Rotary Exhaust Valve - Disclosed embodiments describe a novel exhaust valve for internal combustion engines. Conventional IC engines, especially two-cycle engines, can allow unspent fuel to exit through the exhaust passage and thus lose power and create unnecessary pollution. A rotary valve for use with internal combustion engines which significantly reduces the amount of unspent fuel leaving the cylinder improves both the power, efficiency and pollution profile of conventional IC engines. The valve is adapted and timed to cover an exhaust exit port of the cylinder during the air intake portion of the piston cycle thereby preventing unspent fuel and air from escaping during a piston controlled cycle. | 06-12-2014 |
123190170 | Seal | 4 |
20090165742 | Pressure equalizing valve seal for spherical 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 seal body member having a curved annular upper surface conforming to the spherical periphery of a spherical rotary valve, the valve seal body member having a centrally disposed aperture there through defined by an inner circular side wall, the valve seal body member further having an outer circumferential side wall having a plurality of mounting ribs for the positioning of lateral sealing rings, the valve seal body member further having a plurality of vertical axial throughbores formed between the inner circular side wall and the outer circumferential side wall for pressure equalization. | 07-02-2009 |
20100018492 | Internal combustion engine - An internal combustion engine of the two- or four-stroke petrol, diesel or gas-fueled type, comprising: an engine block which forms internally at least one cylinder; a head which contains a cylindrical rotary distributor which is adapted to connect, by means of two internal ports, a combustion chamber of the at least one cylinder alternately to the air intake and to the gas exhaust; a plate for closing the head in an upper region, in which intake and exhaust conveyance channels of the engine are provided; for each at least one cylinder being provided a single sealing element which is arranged between the at least one cylinder and the rotary distributor. The sealing element has a cradle which is shaped complementarily with respect to the rotary distributor and a cylindrical protrusion that has an open cavity which forms the combustion chamber of the cylinder. The sealing element has a port for connection between the combustion chamber and the two internal ports of the rotary distributor which is formed through the cradle. The upper closure plate of the head has a portion, which is inserted between the walls of the head, which faces and is substantially shaped complementarily with respect to the rotary distributor. | 01-28-2010 |
20100236514 | SEAL FOR A ROTARY VALVE FOR AN INTERNAL COMBUSTION ENGINE - A gas seal between a port ( | 09-23-2010 |
20170234273 | SEALING SYSTEM AND EXHAUST GAS RECIRCULATION VALVE | 08-17-2017 |