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| Number | Title | Issue Date |
| 7752841 | Vacuum intensifier for vehicle brake The present invention provides a vacuum intensifier for vehicle brake that stably provides enough negative pressure at a predetermined level or more to a brake booster even though the operational condition of engine and the surroundings change, with simple structure... | 07/13/2010 |
| 7353661 | Vehicle exhaust heat recovery system A vehicle exhaust heat recovery system includes a vapor compression type refrigeration circuit, a boiler to which the refrigerant is introduced from the refrigeration circuit and heated, and an expander for generating motive power by expanding the heated refrigerant... | 04/08/2008 |
| 7318425 | Fuel vapor treatment apparatus A fuel vapor treatment apparatus includes a first canister, a purge passage, an atmosphere passage, a first detection passage provided with a restrictor, and a passage-changing valve for changing the connection passage of the first detection passage between the purg... | 01/15/2008 |
| 7185864 | Door hook with hinge A door hook including a U-shaped bracket having a top member and front and back sides attached to the top member. The front and back sides are separated by a first distance, which corresponds generally to the thickness of a door over which the door hook is to be pla... | 03/06/2007 |
| 6976645 | Ejector for use with pneumatic booster An ejector having an ejector body integrally formed with a nozzle having inlet and outlet ends, a diffuser having inlet and outlet ends and a suction passage defining a suction port between the outlet end of the nozzle and the inlet end of the diffuser. The nozzle a... | 12/20/2005 |
| 6955406 | Altitude compensating trailer brake system The invented apparatus is designed for use with a tow vehicle and trailer combination. The apparatus comprises a controller, a vacuum supply sensor, and a sensor unit used to measure the barometric pressure and/or elevation of the current location of the tow vehicle... | 10/18/2005 |
| 6951199 | Vacuum generator in combustion engine A vacuum generator is provided wherein the intake vacuum of a combustion engine is led to a negative pressure device such as a vacuum booster of a brake booster device through a check valve. An idling air passage is connected to a suction pipe of the combustion engi... | 10/04/2005 |
| 6899531 | Secondary air turbocharger with sound absorbing insulating material A secondary air induction system (1) for an internal combustion engine of a motor vehicle, including a turbine (2) and a compressor (3), in which a turbine wheel (4) of the turbine (2) and a compressor wheel (5) of the compr... | 05/31/2005 |
| 6862882 | Pneumatic booster There is provided a pneumatic booster having an ejector, which achieves space-saving and enables easy piping. An ejector 4 is provided within a constant-pressure chamber 3 formed in an outer shell 2. A connecting pipe 19 communicat... | 03/08/2005 |
| 6817173 | Method and device for simultaneous regulation of an intake air flow for an internal combustion engine and a secondary air flow in the exhaust system of the same internal combustion engine A method and an apparatus are described for the simultaneous adjustment of an air intake stream 24 of an internal combustion engine 10 and of a secondary air stream 21 into the exhaust system 12 of the internal combustion engine, the seco... | 11/16/2004 |
| 6735942 | Method, computer program, and control unit for operating a vacuum reservoir provided in an internal combustion engine Described are a method, a computer program, and a control unit for operating a vacuum reservoir provided in an internal combustion engine of a motor vehicle for a servo booster or power-assist unit of the internal combustion engine, which is coupled to an intake man... | 05/18/2004 |
| 6658849 | Manual boost control valve for a turbocharger This invention provides a manual boost control valve for an automotive turbocharger. The valve communicates between the intake side and exhaust side of the turbocharger system and particularly communicates with a wastegate actuator that operates a wastega... | 12/09/2003 |
| 6625981 | Pneumatic booster and vacuum control valve used therefor There is disclosed a pneumatic booster having a vacuum chamber connected to an intake pipe of an engine. An air outlet of an ejector is connected to the intake pipe through a vacuum control valve, and an air inlet of the ejector is connected to an air cle... | 09/30/2003 |
| 6612108 | Manifold assembly for interconnecting brake booster to engine and vacuum pump A manifold assembly for pneumatically interconnecting a brake booster to an engine and to an electrically-driven vacuum pump. A manifold housing has an engine port pneumatically communicable with the engine, a separate booster port pneumatically communica... | 09/02/2003 |
| 6584963 | Throttle loss recovery turbine and supercharger A throttle loss recovery turbine and supercharger device (10) comprises a housing (12) having a movable intake port (36) and a separately movable exhaust port (38). An outer drum is rotatably placed within the housing. An inner drum (24) is rotatably disp... | 07/01/2003 |
| 6443535 | Deceleration and compensation for low vacuum levels in a brake-by-wire braking system A system or method for compensating for low vacuum levels in a brake-by-wire system includes continually monitoring the level of vacuum in a vacuum booster. The state or condition of the vacuum source is also monitored to determine whether it is on or off... | 09/03/2002 |
| 6412277 | Arrangement for producing a vacuum in a motor vehicle system In an arrangement for producing a vacuum in a motor vehicle system including an internal combustion engine with an air intake system, a vacuum-operated power brake system for braking the vehicle and a fuel vapor adsorption system for collecting fuel vapor... | 07/02/2002 |
| 6324845 | Self contained, supplemental vacuum assist unit for vehicle brake booster A self contained, supplemental vacuum assist unit is provided for use with a vacuum brake booster and a source of vacuum in a motor vehicle. The unit includes, within a single housing, an electric motor, an air pump driven by the motor, a manifold definin... | 12/04/2001 |
| 6305757 | Brake booster negative pressure controller In order to provide a brake booster negative pressure controller which reduces deterioration in the fuel consumption due to operation for closing a throttle to assure a brake booster negative pressure while assuring the braking capability required accordi... | 10/23/2001 |
| 6301883 | Vehicle brake booster with supplemental vacuum assist A brake booster provides additional boost capacity without unduly increasing booster size and weight by providing a vacuum pump connected so as to add its additional vacuum capacity to that of the normal vacuum source when activated in response to sensed ... | 10/16/2001 |
| 6244676 | Negative pressure control apparatus for brake booster A negative pressure control apparatus for a brake booster for controlling a negative pressure in a negative pressure chamber of the brake booster is provided. The apparatus is applied to a system having a booster charge mechanism for generating a fluid pr... | 06/12/2001 |
| 6226986 | Rotary positive displacement fluid machine A rotary machine has a rotor eccentrically mounted in a casing and having a plurality of vanes connected to oscillating arms via cranks, the cranks having elements pivotally embracing a radial outer end of the arms. The arms can be radial. The rotor has o... | 05/08/2001 |
| 6109028 | Method of controlling an internal combustion engine The invention relates to a method for controlling an internal combustion engine of a motor vehicle having an auxiliary force brake device wherein the auxiliary force is generated by coupling the brake actuation to the manifold pressure of the engine. In t... | 08/29/2000 |
| 6094909 | Secondary air system for an internal combustion engine A secondary air system for an internal combustion engine (32), including at least one line (14) through which air is blown into the exhaust pipe of the engine, a pump (26) and a drive (27) for the pump (26). In addition an air-feed line (13) is provided t... | 08/01/2000 |
| 5918462 | Brake booster device A brake booster having a body in which a booster pressure sensor for detecting the internal pressure of an atmospheric pressure chamber is provided, and in which the operating state of a brake pedal is detected by a pedal sensor. Further, when the brake p... | 07/06/1999 |
| 5910098 | Brake system of an engine A brake system of an engine comprising a brake booster. A restricted portion is formed in an intake passage upstream of a throttle valve and mass flow meter. A vacuum takeout port opens in the restricted portion. The vacuum generated in the restricted por... | 06/08/1999 |
| 5881557 | Vacuum system for diesels and high performance vehicles A vacuum back-up system for diesel vehicles, and a primary vacuum system for high performance vehicles, which vacuum system includes a vacuum pump for creating a vacuum in an associated reserve vacuum tank connected to the vacuum booster of the vehicle. A... | 03/16/1999 |
| 5854516 | Method and apparatus for generating electric power using wave force An improved electric power generation apparatus using a wave force and a method thereof which are capable of protecting the system from waves having a predetermined height higher than the previously set height based on the climate condition at the constru... | 12/29/1998 |
| 5797263 | Exhaust emission control apparatus The exhaust emission containing large and small particles, discharged from an exhaust port of a cylinder No. 1 of an engine during a first exhaust stroke collides with a first adsorbent opposed to the exhaust port, so that some of the small particles of H... | 08/25/1998 |
| 5782090 | Hose clip One or more hose clips may advantageously be used to rout and releasably secure a hose assembly such as those included in a vacuum manifold assembly, to a fixed structure of a motor vehicle. The hose clip has a main body which is circumferentially open-si... | 07/21/1998 |
| 5559379 | Induction air driven alternator and method for converting intake air into current An alternator assembly for use with a port fuel injected internal combustion engine including a battery charging system is driven by a turbine assembly mounted in a variable air intake or throttle valve assembly and converts the change in kinetic energy p... | 09/24/1996 |
| 5544484 | Engine induction air driven alternator A turboalternator and air flow control assembly for mounting on a combustion air intake of an internal combustion engine comprises a body having an inlet and an outlet defining an air flow path, a nozzle carrier in the body defining a plurality of turbine... | 08/13/1996 |
| 5394848 | Air-intake control system for internal combustion engine A turbine, which is an essential portion of an air motor, is disposed midway along an air-intake passage communicating to combustion chambers of an engine. A generator is operably connected to an output shaft of the turbine. The generator has a function t... | 03/07/1995 |
| 4989496 | Vacuum supply system with throttling valve in a motor vehicle A vacuum supply system for a brake power assist unit of a motor vehicle with at least one additional vacuum consuming device is achieved by the installation of a valve, which can be switched as a function of existing vacuum level in a pipe leading from th... | 02/05/1991 |
| 4953447 | Vacuum supply system in a motor vehicle A vacuum supply system for a brake power assist unit of a motor vehicle and at least one additional vacuum consuming device, is achieved by a parallel arrangement of two pipes leading from a vacuum generating device one to the brake power assist unit and ... | 09/04/1990 |
| 4802457 | Internal combustion engine provided with a supercharger In a convention throttle-controlled internal combustion engine (1, 2) equipped with a supercharger which has the form of a compressor (10) provided with screw rotors (14, 15) arranged in a compression chamber, the supercharger is inactive at part engine l... | 02/07/1989 |
| 4783962 | Brake booster vapor trap filter and fuel tank vapor trap canister vapor guard system Vapor guard systems which prevent vapors from reaching a servomotor from a power source for the servomotor. One embodiment uses a control valve which directs such vapors to a vapor trap filter under conditions where vapor flow may be toward the servomotor... | 11/15/1988 |
| 4738112 | Method and device for controlling brake booster supplementary vacuum pump ensuring good booster vacuum and low pump wear In the vacuum boosting system for the brake of a vehicle wherein the boosting vacuum is supplied from the intake manifold of the engine and also, as an assistance thereto, from a vacuum pump which is to be occasionally operated when the intake vacuum of t... | 04/19/1988 |
| 4730999 | Negative pressure supply apparatus for automobiles The vacuum tank is connected to an engine intake manifold, and a vacuum pump generates compulsarily a negative pressure so as to maintain the negative pressure at a predetermined setting pressure value. The vacuum pump has a diaphragm pump for discharging... | 03/15/1988 |
| 4554786 | Vacuum source device for vacuum booster for vehicles A vacuum source device of vacuum booster is disclosed. The device includes an air ejector having an air inlet communicated with the atmosphere, an air outlet connected to a vacuum pick-up port opening to the portion of the intake system of an internal com... | 11/26/1985 |
