Patent application number | Description | Published |
20110114039 | BUSH AND ENGINE THAT IS EQUIPPED WITH THE BUSH - A bush assembly may include an inner pipe, in which a bolt hole is formed substantially in the middle thereof, an outer pipe, through which the inner pipe is inserted, wherein an inner circumference of the outer pipe is spaced with a predetermined gap from an exterior circumference of the inner pipe and the outer pipe includes a bent portion that is bent at a lower portion thereof and extends in a radial direction with a predetermined length, and an elastic member that couples the inner pipe and the outer pipe in the predetermined gap and is fixed to a lower surface of the bent portion. | 05-19-2011 |
20110115313 | ELECTRIC WATER PUMP - An electric water pump may include a stator generating a magnetic field according to a control signal and a rotor rotated by the magnetic field generated at the stator and pressurizing coolant. According to the electric water pump, the stator may include, a stator core formed by stacking a plurality of pieces made of a magnetic material, an insulator connecting pieces of the stator core to each other, a coil coiling the stator core so as to form a magnetic path, a Hall sensor detecting a position of the rotor, a Hall sensor board controlling the control signal supplied to the stator according to the position of the rotor detected by the Hall sensor, and a stator case wrapping and sealing the stator core, the insulator, the coil, the Hall sensor, and the Hall sensor board. | 05-19-2011 |
20110116921 | WATER PUMP PROVIDED WITH A BEARING - A water pump that is equipped with a bearing, may include a drive shaft, at least two bearings of an arc type that are mounted around the exterior circumference of the drive shaft and being engaged with each other, a housing that fixes the at least two bearings of the art type therein such that the drive shaft can rotate in the at least two bearings of the arc type. | 05-19-2011 |
20110116947 | Electric water pump - The present invention relates to an electric water pump having improved performance and durability. The electric water pump may include a stator generating a magnetic field according to a control signal, a rotor rotated by the magnetic field, a pump cover having an inlet and an outlet, a body having a front surface forming a volute chamber, a stator chamber, and a rotor chamber, the stator mounted in the stator chamber and the rotor mounted in the rotor chamber, a shaft having a central axis, fixed to the rotor and mounted in the rotor chamber, and an impeller fixed to the shaft so as to rotate together with the shaft, pressurizing the coolant having flowed in through the inlet, and mounted in the volute chamber, wherein the rotor chamber is fluidly connected to the volute chamber, and the stator chamber is fluidly closed and sealed from the rotor chamber. | 05-19-2011 |
20110116948 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 05-19-2011 |
20110116952 | Electric water pump - An electric water pump apparatus may include a body having a stator chamber and a rotor chamber therein, a stator having a hollow cylindrical shape and being disposed in the stator chamber and generating a magnetic field, wherein the stator fluidly insulates the stator chamber and the rotor chamber, a rotor disposed in the rotor chamber and enclosed by the stator, wherein the rotor is rotated by the magnetic field, and a pump cover connected to the body and forming a volute chamber therein, wherein the volute chamber and the rotor chamber are fluidly-communicated through a connecting hole formed to the body and a coolant is supplied to the rotor chamber through the connection hole, wherein the stator includes a stator groove formed in an inner circumference therein and the stator groove is fluid-connected to the rotor chamber and the volute chamber through the connection hole. | 05-19-2011 |
20110116953 | Electric Water Pump - An electric water pump may include a stator generating a magnetic field, a rotor rotated by the magnetic field, a pump cover, a body having a volute chamber with the pump chamber, a stator chamber and a rotor chamber, the stator being mounted in the stator chamber and the rotor being mounted in the rotor chamber, a shaft fixed to the rotor, an impeller fixed to the shaft in the volute chamber, a driver case mounted at a rear end of the body and having a rear surface opened backward and formed of a driver chamber therein, and a driver mounted in the driver chamber and applying a control signal to the stator, wherein the case surface is provided with an insert portion protruded forward from an external circumference thereof and inserted in a rear end portion of the body, and a fixing groove in which the insert portion is inserted. | 05-19-2011 |
20110116954 | Electric Water Pump - An electric water pump apparatus may include a body, a stator disposed in the body, a rotor in the stator, a pump cover having an inlet and an outlet, wherein a front surface of the body and the pump cover form a volute chamber, wherein a stator chamber is formed at an outer portion in the body in a radial direction and the stator is mounted in the stator chamber, and wherein a rotor chamber is formed at an inner portion in the body and the rotor is mounted in the rotor chamber, a shaft rotatably coupled to the front surface and fixed into the rotor, and an impeller fixed to a front portion of the shaft, wherein the shaft includes a first shaft connecting the impeller and a front end portion of the rotor and a second shaft connected to a rear end portion of the rotor along the central axis of the shaft. | 05-19-2011 |
20140085935 | POWER CONVERSION DEVICE - A power conversion device that includes first and second power conversion units; and a DC link unit positioned between the first and second power conversion units. In the power conversion device, the DC link unit includes a main capacitor and a dummy capacitor, which are selectively used. Accordingly, it is possible to prevent damage of a capacitor used in the DC link unit and to extend the lifespan of the capacitor. | 03-27-2014 |
20140166259 | COOLING SYSTEM OF VEHICLE HAVING MOTOR - A cooling system of vehicle having a motor includes: a mainline that provides a coolant flow channel; a radiator that is installed at one side of the mainline; a pump that is installed at the other side of the mainline; a first branch line and a second branch line that are branched from the main line; a first heat emitter and second heat emitter that are installed at the first branch line and the second branch line, respectively; and a control valve that supplies a coolant necessary for the first heat emitter and the second heat emitter by controlling flow of a coolant flowing from the mainline to the first branch line or the second branch line. | 06-19-2014 |
20140271283 | METHOD FOR MANUFACTURING STATOR FOR ELECTRIC WATER PUMP - A method for manufacturing a stator for an electric water pump may be used for manufacturing the stator used in the electric water pump. In the electric water pump which includes stator assembly for an electric water pump, wherein the stator assembly including a plurality of core-insulator assemblies generates a magnetic field according to a control signal and a rotor is rotated by the magnetic field generated at the stator assembly to pressurize coolant, the method for manufacturing the stator assembly may include a) stacking a plurality of pieces made of a magnetic material to form a core stack, b) molding an insulator to the core stack, c) coiling a coil to the insulator to form a core-insulator assembly so as to form a magnetic path, and d) connecting the respective core-insulator assembly in an annular shape in sequence to form the stator assembly. | 09-18-2014 |
20140303838 | METHOD FOR CONTROLLING WATER PUMP OF VEHICLE AND SYSTEM THEREOF - A method for controlling a water pump of a vehicle moving a coolant circulating through a cooling load generating heat and a radiator includes calculating a rotation speed command based on a control reference temperature of the coolant. A water pump suction pressure is set and compared with a preset control reference pressure to control the rotation speed command. A system for controlling the water pump includes a first temperature sensor for detecting a temperature of a coolant exhausted from the cooling load and a second temperature sensor for detecting a temperature of the coolant to be supplied to the cooling load. A water pump pressure sensor detects a water pump suction pressure, and a water pump driver drives the water pump. A controller controls the water pump driver based on signals received from the first temperature sensor, the second temperature sensor, and the water pump pressure sensor. | 10-09-2014 |
20150023823 | CANNED MOTOR PUMP FOR VEHICLE - A canned motor pump includes a stator assembly and a housing surrounding the outer portion of the state assembly. The housing is coupled with the stator assembly in a state in which the housing is divided into a plurality of pieces by cutting lines, and has a through-hole in a side portion into which a fastener is fastened. A fixing ring is coupled to the inside of the housing and the stator assembly so as to provide a seal between the housing and the stator assembly. | 01-22-2015 |