Patent application number | Description | Published |
20080253878 | FUEL PUMP - A fuel pump is provided with a casing and a substantially disk-shaped impeller that can rotate within the casing. A group of concavities is formed in each surface of the impeller. The concavities forming the group are arranged in concentric circles with respect to the rotation axis of the impeller. A first groove is formed in a first inner surface of the casing and extends from an upstream end to a downstream end in an area that faces one group of concavities. A second groove is formed in a second inner surface of the casing and extends from an upstream end to a downstream end in an area that faces the other group of concavities. A seal portion is formed in at least one of the first and second inner surfaces of the casing and formed by one layer or a plurality of layers of thin film. | 10-16-2008 |
20090107471 | FUEL SUPPLY APPARATUS - The present invention includes a fuel supply apparatus having a pressure regulator for regulating a pressure of fuel supplied from a fuel pump to a target, such as an internal combustion engine of an automobile. The pressure regulator includes a first pressure chamber, a second pressure chamber and a third pressure chamber each configured to be able to receive a supply of the fuel from the fuel pump. A first diaphragm separates the first pressure chamber and the second pressure chamber from each other. A second diaphragm separates the second pressure chamber and the third pressure chamber from each other. The first pressure chamber has a discharge port that can discharge the fuel supplied into the first pressure chamber. A valve assembly is coupled to the first and second diaphragms, so that the valve assembly can open and close the discharge port of the first pressure chamber in response to the balance of forces applied to the first and second diaphragms by pressures of the fuel within the first, second and third pressure chambers. A controller can control the pressure of the fuel within each of the second and third pressure chambers. | 04-30-2009 |
20090151703 | FUEL-FEEDING DEVICES - A fuel-feeding device may preferably include a pressure control valve capable of controlling a pressure of pressurized fuel that includes a housing having an inner cavity, a first movable dividing wall, a second movable dividing wall, a valve unit and a resilient member. The first and second movable dividing walls divide the housing cavity to a pressure controlling chamber, a back pressure chamber, and an open chamber positioned between the pressure controlling chamber and the back pressure chamber. The second movable dividing wall is arranged and constructed to move to a retracted position or an advanced position depending upon whether back pressure fuel is introduced into the back pressure chamber, thereby setting the resilient member to two different set loads. | 06-18-2009 |
20090195114 | MOTOR - A motor having a rotor and a stator that houses the rotor in a rotatable manner is herein provided. One of the rotor and the stator comprises at least one permanent magnet. The other of the rotor and the stator comprises at least one core that faces the at least one permanent magnet, and at least one coil that magnetizes the at least one core. The core comprises at least one extension plate that is formed on at least one end face of the core in an axial direction. The extension plate extends parallel to rotation axis of the rotor, and has a magnetic anisotropy whose axis of easy magnetization is substantially parallel to the rotation axis of the rotor. | 08-06-2009 |
20100139778 | Fuel vapor pressure measuring apparatus - A fuel vapor pressure measuring apparatus includes a fuel vapor generator configured to allow the fuel pressure-fed from the fuel pump to be injected from a nozzle and pass through a venturi, thereby vaporizing the fuel in a vaporizing chamber, a pressure sensor for detecting fuel vapor pressure in the vaporizing chamber, a temperature sensor for detecting fuel vapor temperature in the vaporizing chamber, a temperature regulator for regulating the fuel vapor temperature in the vaporizing chamber, and an electronic control unit (ECU) adapted to operate the fuel pump and the fuel vapor generator and also operate the temperature regulator, to detect temperatures at plural points through the temperature sensor and detect pressures corresponding to the temperatures through the pressure sensor in the process of operation of the temperature regulator, and to calculate fuel vapor pressure characteristics based on the detected temperatures and pressures at the plural points. | 06-10-2010 |
20100288021 | APPARATUS AND METHOD FOR CHECKING LEAKAGE FROM FUEL VAPOR PROCESSING APPARATUS - An apparatus for checking leakage from a fuel vapor processing apparatus includes an interrupting device capable of interrupting communication between a canister and a fuel tank when a pressure within the canister is negative and a pressure within the fuel tank is positive. A first pressure detecting device can detect the pressure within the canister or its equivalent. A second pressure detecting device can detect the pressure within the fuel tank or its equivalent. | 11-18-2010 |
20100288241 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus includes a device that can restrict or prevent flow of gas from a vapor passage into a canister during recovering of fuel vapor from the canister into a fuel tank. | 11-18-2010 |
20100332108 | FUEL VAPOR PRESSURE MEASURING DEVICE - A fuel vapor pressure measuring device is provided, in a fuel supplying system, with a fuel tank for containing fuel, a fuel pump for supplying the fuel in the fuel tank to an injector, a fuel vapor generating section having a nozzle, a vaporizing chamber, and a venturi and vaporizing, in the vaporizing chamber, fuel by ejecting the fuel from the nozzle and causing the fuel to pass through the venturi, a first fuel path for interconnecting the fuel pump and the injector, a second fuel path having one end connected to the fuel pump and the other end connected to the fuel vapor generating section, a pressure sensor for detecting the pressure in the fuel vapor generating section, and an ECU for calculating the pressure of fuel vapor based on the result of detection by the pressure sensor. The fuel vapor generating section is mounted in the fuel tank. | 12-30-2010 |
20110139127 | PRESSURE CONTROL DEVICE - A pressure control device controls a pressure of fuel supplied from a fuel tank to an engine via a fuel pump. The pressure control device includes a valve device, a first force-applying device and a second force-applying device. The valve device is provided in a path of the fuel from the fuel pump to the engine and comprising a valve and a spring. The valve is movable in an opening direction and a closing direction for permitting and preventing flow of the fuel from the fuel pump to the engine, respectively. The spring applies a first force to the valve in the closing direction. The first force-applying device is operable to apply a second force to the valve in the opening direction depending on the pressure of the fuel supplied from the fuel pump. The second force-applying device is operable to apply a third force to the valve in the opening direction independently of the second force applied by the first force-applying device or independently of the pressure of the fuel used for the first force-applying device. | 06-16-2011 |
20130034455 | ELECTRIC PUMP - An electric pump may comprise a motor, an impeller driven by the motor, and a casing comprising a pump chamber that accommodates the impeller. The motor and the pump chamber may be disposed along a rotational axis of the impeller. The casing may comprise an intake port extending in a direction parallel to the rotational axis of the impeller and a discharge port extending in a direction perpendicular to the rotational axis of the impeller. The motor may have an oblong cross section that is perpendicular to the rotational axis of the impeller. | 02-07-2013 |
20130125528 | INTERNAL COMBUSTION ENGINE SYSTEM AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE SYSTEM - An internal combustion engine system having a fuel tank for storing fuel to be supplied to an engine and an exhaust passage in which exhaust gas is to be exhausted from the engine, wherein the internal combustion engine system includes: a closing member to close the exhaust passage; an exhaust gas introduction passage connecting the exhaust passage and the fuel tank; and a controller configured to close the exhaust passage by the closing member after the engine is stopped to store the exhaust gas in the exhaust passage and to introduce the exhaust gas stored in the exhaust passage into the fuel tank via the exhaust gas introduction passage. | 05-23-2013 |
20140116394 | FUEL SUPPLY SYSTEM AND FUEL SUPPLY METHOD FOR INTERNAL COMBUSTION ENGINE - A fuel supply system for an internal combustion engine includes a heat exchanger that has a heat exchanging wall between a liquefied fuel passage and an engine coolant passage. Heated and vaporized fuel flowing out from the liquefied fuel passage of the heat exchanger is supplied to the internal combustion engine. A flow rate of liquefied fuel supplied to the liquefied fuel passage of the heat exchanger is set. A flow rate of engine coolant supplied to the engine coolant passage of the heat exchanger is determined on the basis of a temperature of the engine coolant supplied to the engine coolant passage of the heat exchanger such that nucleate boiling or transition boiling of the liquefied fuel in the set flow rate occurs near a boundary between nucleate boiling and transition boiling in the liquefied fuel passage. | 05-01-2014 |
20140335385 | BUS BAR MODULES - A bus bar module may have a bus bar including a battery side terminal portion and a connection portion. The battery side terminal portion may electrically connect electrode terminals of two adjacent battery cells of a battery assembly. The connection portion may electrically connect the battery side terminal portion and a terminal of a circuit side member associated with the battery assembly. The bus bar may be configured as a single member. | 11-13-2014 |
20140335386 | BUS BAR MODULES - A bus bar module may include a circuit side member associated with a battery assembly having a plurality of battery cells arranged next to each other in an arrangement direction, and a bus bar electrically connecting the circuit side member with the battery cells of the battery assembly. A gas discharge duct may be integrated with the circuit side member and configured to allow flow therethrough of gas discharged from safety valves associated with the battery cells. | 11-13-2014 |
20140375321 | SENSOR DEVICE - Provided herein is a sensor device that may include a first electrode pair, a second electrode pair, and a detector. The first electrode pair may be covered with a protective film. The second electrode pair may have at least a portion thereof exposed to liquid. The detector may be configured to detect a property of the liquid by using a value concerning an electrical conductivity of the liquid as determined by using the second electrode pair and a value concerning a capacitance of the first electrode pair. | 12-25-2014 |