Bizarre Patents
A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8171919 | Exhaust gas recirculation valve An exhaust gas recirculation valve comprises a drive, at least one rotatable drive element and at least one translationally drivable driven element. The drive element comprises a thread element that is configured to convert rotational motion of the drive element int... | 05/08/2012 |
| 7963276 | Combination valve The combination valve comprises a tubular center part, a gas inlet which is arranged on the outer shell of the tubular center part, a gas outlet A which is arranged adjacent to the gas inlet on the outer shell of the tubular center part, a first branch which is arra... | 06/21/2011 |
| 7461642 | Rotary-actuated exhaust gas recirculation valve having a seating force attenuator Means for attenuating the seating force of a cam-actuated poppet valve such as an exhaust gas recirculation valve in an internal combustion engine including a shock-absorber disposed between the valve stem and valve head. In a currently preferred embodiment, the sho... | 12/09/2008 |
| 7363761 | Exhaust gas throttle for divided turbine housing turbocharger A turbocharger (107) for an internal combustion engine (100) includes a turbine having a divided turbine housing (109). A first inlet port (113) may be connected to a first volute that is formed in the turbine housing (109), and a ... | 04/29/2008 |
| 7358632 | Motor which performs a rotational-to-linear motion conversion A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 04/15/2008 |
| 7314042 | Exhaust gas recirculation system for a V-type internal combustion engine, and engine including same An EGR control valve is disposed on a V-type internal combustion engine such that the engine is compact as a whole. In the internal combustion engine, cylinders are provided with the cylinders spaced apart from each other in a V-shape, and exhaust gas obtained from ... | 01/01/2008 |
| 7302940 | Variable reluctance position sensor A position sensor is disclosed having a transducer formed by a Hall-effect device and permanent magnet secured within a housing on either side of a low permeability gap. A target secured to an active member, such as an EGR valve plunger moves within the gap. The tar... | 12/04/2007 |
| 7274122 | Motor which performs a rotational-to-linear motion conversion A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide. ... | 09/25/2007 |
| 7252618 | Rack and pinion transmission for a pintle valve A rack and pinion gear train actuator for a pintle valve. A motor shaft has a pinion gear that engages a large reduction gear having an integral hub gear. The hub gear is a planet gear for a ring gear segment that pivots on a shaft and includes a pinion gear segment... | 08/07/2007 |
| 7235976 | Sensor for measuring the position of an actuating element A sensor for measuring the position of an actuating element has at least one position sensor to detect the position at a drive connection, a circuitry connected to the position sensor, and configured to receive signals from the position sensor, a voltage- and signal... | 06/26/2007 |
| 7235116 | High temperature corrosion and oxidation resistant valve guide for engine application A powder metal component particularly suited for use as a valve guide in high temperature applications. The powder metal component according to a first embodiment has a chemical composition on a weight percent basis of about 0.1-2.0% C; about 8.0-18.0% Cr; about 1.0... | 06/26/2007 |
| 7216625 | Throttle control devices A sensor for a throttle control device. The throttle control device includes a throttle body. A throttle valve is disposed within an intake air channel defined within the throttle body. A speed or gear reduction mechanism is coupled between a motor and the throttle ... | 05/15/2007 |
| 7213613 | High-flow dual poppet valve having equalized closing forces A dual-poppet valve comprising a valve body having spaced-apart coaxial valve seats and being arranged such that first and second poppets both open into the primary chamber. A first pintle shaft engages the first poppet, and a second pintle shaft engages the second ... | 05/08/2007 |
| 7204240 | Integrated valve An exhaust gas recirculation (EGR) arrangement having an intake manifold with a valve base assembly integrated with the engine's intake manifold. The valve base assembly has a valve seat positioned in the path of fluid flow through the valve base. A valve member is ... | 04/17/2007 |
| 7201159 | Electric actuator assembly and method for controlling an exhaust gas recirculation assembly A exhaust gas recirculation assembly for an engine having an intake manifold and an exhaust manifold, the exhaust gas recirculation assembly including a flow control body, a closing member, an electric motor coupled to the closing member, and an electronic controlle... | 04/10/2007 |
| 7198038 | Learned EGR valve position control An exhaust gas recirculation (EGR) valve positioning system according to the present invention includes an actuate valve module, an EGR valve position module, and an adjust control variables module. The actuate valve module selectively uses learned and default varia... | 04/03/2007 |
| 7168250 | Engine valve system and method An engine system (100) has a valve system (137). An inlet of a turbine (109) is fluidly connected to a first inlet (119) of the valve system (137). An outlet of the turbine (123) is fluidly connected to a second inlet (11... | 01/30/2007 |
| 7146944 | Valve timing controller The valve timing controller is driven by a motor. The valve controller has a control circuit and a driving circuit. The driving circuit receives a control signal generated by the control circuit and an engine rotation speed signal. The driving circuit supply a curre... | 12/12/2006 |
| 7121240 | Valve controller The valve controller is driven by a motor. The valve controller has a control circuit and a driving circuit. The driving circuit drives a motor based on a control signal generated by the control circuit and a rotational position signal generated by a rotational posi... | 10/17/2006 |
| 7085643 | Device for estimating an amount of intake air of an internal combustion engine In a device for estimating an amount of intake air of an internal combustion engine, wherein an amount of intake air passing through the throttle valve is calculated by using of an upstream side intake air pressure upstream of the throttle valve and a downstream sid... | 08/01/2006 |
| 7069919 | Method and apparatus for controlling the ratio of ambient air to recirculated gases in an internal combustion engine A method and apparatus for controlling the ratio of ambient air to recirculated gases in an internal combustion engine, wherein an gas injector includes a intake air conduit defining a ambient air flow path, an actuator connected to the intake air conduit, a recircu... | 07/04/2006 |
| 7017884 | Fluid metering valve A fluid metering valve includes a gear rack which is slidable on a valve stem in which a spring counteracts the force of an actuator to maintain a constant load on the gear mechanism to prevent backlash. Corresponding stop mechanisms between the gear and the shaft o... | 03/28/2006 |
| 7011081 | Double-pintle emission control valve having a one-piece double-seat element A cylindrical-walled seat element (50) in a double-pintle (42) EEGR valve (20) is a machined metal part in which two substantially identical apertures (62, 64) collectively span essentially a semi-circumference of the seat element wall ( | 03/14/2006 |
| 7006911 | Actuator control system A system is disclosed for controlling the current used by an actuator to control actuator position. A control circuit is configured to control the actuator current to a value at or near the minimum current required to sustain the actuator in a desired position in or... | 02/28/2006 |
| 6980903 | Exhaust gas control using a spark plug ionization signal This feature of the present invention comprises a method and apparatus to reduce NOx emissions in an internal combustion engine. This feature of the present invention uses a closed loop control of the exhaust gas re-circulation to provide the engine with the either ... | 12/27/2005 |
| 6974119 | Actuator An actuator unit including a step-up which varies over an adjustment path, between a control motor and a wheel connected to the throttle body in a manner fixed against relative rotation offers the advantage that in certain positions of the throttle body, the require... | 12/13/2005 |
| 6966298 | Intake throttle valve apparatus An intake throttle valve apparatus comprising a throttle valve (1) including a housing (4), a valve shaft (7) rotatably supported within the housing (4) and a valve element (9) fixed on the shaft (7) for changing an opening ... | 11/22/2005 |
| 6964270 | Dual mode EGR valve A preferred embodiment EGR valve permits exhaust gas to be induced into the intake line downstream of the compressor, while minimizing the need to reduce the size of the turbocharger. The preferred embodiment EGR valve exploits variations around the mean pressure in... | 11/15/2005 |
| 6956349 | Motor drive apparatus A valve opening and closing control device of a type making use of a motor enhances driving performance of the motor and restricts heat generated by constituent elements. A bridge circuit of a motor driving circuit comprises three rows of arms comprising two switchi... | 10/18/2005 |
| 6935320 | Apparatus and method for exhaust gas flow management of an exhaust gas recirculation system An exhaust gas flow management assembly for an exhaust gas recirculation system including an intake conduit, an exhaust conduit in fluid communication with the intake conduit, and a closing member. The intake conduit includes an inner surface defining a fluid passag... | 08/30/2005 |
| 6928994 | Modular exhaust gas recirculation assembly A modular exhaust gas recirculation assembly includes a flow control body, a closing member movably mounted in the manifold conduit between a first position and a second position, and an actuator assembly coupled to the closing member and driving the closing member ... | 08/16/2005 |
| 6913122 | Brake for DC motor A braking device of a DC motor has a position detecting means to detect a position of a motor shaft, a rotational speed detecting means to detect a rotational speed of the motor and a braking means to generate a braking force based on a position signal and a speed s... | 07/05/2005 |
| 6886546 | Rotary-actuator EGR valve having compliant seal/bushing A rotary arm-actuated pintle valve assembly having a pintle valve seat, a pintle shaft, and a valve head forming a pintle valve for regulating flow of gas through a valve body. The shaft extends through a port in a wall of the body. A rotary-arm actuator mounted to ... | 05/03/2005 |
| 6843239 | High speed exhaust gas recirculation valve In order to minimize pollutants such as Nox, internal combustion engines typically include an exhaust gas recirculation (EGR) valve that can be used to redirect a portion of exhaust gases to an intake conduit, such as an intake manifold, so that the redirected exhau... | 01/18/2005 |
| 6823854 | Device for preventing an exhaust gas recirculation valve from sticking after switching off an internal combustion engine The invention relates to an exhaust gas recirculation device for an internal combustion engine, especially for a motor vehicle, comprising an exhaust gas recirculation line for recirculating exhaust gas, the line branching off from the exhaust line and running into ... | 11/30/2004 |
| 6758196 | Poppet valve having an aligning yoke An integrated intake manifold assembly including a poppet valve disposed at the air inlet to the manifold to regulate air flow into the manifold; a poppet valve disposed on the manifold to regulate exhaust gas flow into the air intake system; and a bi-directional ca... | 07/06/2004 |
| 6729314 | Staged translation control algorithm for reduction in impact force A method of operating a control system to move an EGR valve (24) toward its seat (32), in which the control system includes an actuator (16) operable in response to an electrical position command signal (84, 86). The method comprises the ... | 05/04/2004 |
| 6722351 | EGR valve apparatus An EGR valve apparatus regulates the amount of exhaust gas recirculated in an EGR system. The EGR valves are opened or closed by a rotatable shaft which is actuated by a motor. Alternatively, the valves can be balanced on the shaft, the valves moving in opposing dir... | 04/20/2004 |
| 6708675 | Exhaust gas recirculation valve In the wall portion of a valve housing deposed in connection with an engine block, a cooling-water-taking-out passage that has a cooling water inlet port having an opening on the to-be-connected surface of the valve housing to an engine block, and that takes out the... | 03/23/2004 |
| 6708677 | Finger follower for a cam-actuated poppet valve in an engine intake manifold assembly An integrated intake manifold assembly including a first poppet valve assembly disposed at the air inlet to the manifold to regulate air flow into the manifold; a second poppet valve assembly disposed on the manifold to regulate exhaust gas flow into the air intake ... | 03/23/2004 |
