Patent application number | Description | Published |
20130089444 | BRUSHLESS MOTOR AND ELECTRIC PUMP - A brushless motor includes a rotor and a stator. The stator includes yokes and a plurality of teeth. Base ends of the teeth are connected to the yokes, and tip ends of the teeth oppose an outside surface of the rotor with an interval in between. The plurality of teeth include a pair of first teeth connected to both ends of the yokes and second teeth connected to centers of the yokes. The first teeth are connected to the yokes in a first direction, and the second teeth are connected to the yokes in a second direction which is different from the first direction. | 04-11-2013 |
20130094982 | BRUSHLESS MOTOR AND ELECTRIC PUMP - A brushless motor comprises a rotor and a stator comprising a plurality of core plates laminated on one another. The core plates include a plurality of teeth portions. The plurality of core plates includes a first core plate and a second core plate, a combination of magnetic resistances of the teeth portions of the first core plate being adjusted at a first condition, and a combination of magnetic resistances of the teeth portions of the second core plate being adjusted at a second condition. Magnetic resistances of magnetic paths formed by the plurality of laminated teeth portions are adjusted to be same by adjusting a ratio of a number of the first core plates to a number of the second core plates. | 04-18-2013 |
20130119799 | FUEL PUMP - A fuel pump may be configured to suck fuel into a case and discharge the fuel outside the case. The fuel pump may comprise a rotor, a bearing and a reference terminal. The rotor may be configured to be disposed within the case and include a shaft The bearing may be configured to be disposed within the ease, be made from metal and support the shaft rotatably. The reference terminal may be configured to be maintained at a specific electric potential. The bearing may be configured to electrically connect with the reference terminal. The specific electric potential may be lower than an electric potential of the bearing. | 05-16-2013 |
20130136635 | MOTOR AND ELECTRIC PUMP - A stator of a motor may comprise a first core, a second core and a resin layer. Each of the first core and the second core may comprise a yoke and three pieces of teeth configured to be disposed on the yoke. The resin layer may comprise a first void configured to contact a first opposing surface, opposing the second core, of the first core and contact a second opposing surface, opposing the first core, of the second core and a second void configured to contact a first part, extending parallel to a direction along which the first core opposes the second core, of a surface of the first core and contact a second part, extending parallel to the direction along which the first core opposes the second core, of a surface of the second core. | 05-30-2013 |
20130136636 | BRUSHLESS MOTOR AND ELECTRIC PUMP - A brushless motor includes a rotor and a stator. The stator includes a first core and a second core opposing the first core, between which the rotor is disposed. Each of the first core and the second core includes U-phase teeth, V-phase teeth, and V-phase teeth, each of which is extending parallel to one another and having a tip end opposing the rotor. A tooth located at one end of the first core and a tooth located at another end of the second core are connected to one another by a first nonmagnetic member, and a tooth located at another end of the first core and a tooth located at one end of the second core are connected to one another by a second nonmagnetic member. | 05-30-2013 |
20130156618 | ELECTRIC PUMP - In an electric pump, a vortex chamber may be formed by a clearance between an outer circumferential surface of an impeller and an inner circumferential surface of a casing. A low rigidity part may be provided to a supporting portion or a shaft, or to both of them. The low rigidity part may be formed such that while the electric pump operates, a center point of the shaft in a top view of the shaft moves along a specific line which is parallel to a tangent line of the outer circumferential surface of the impeller at the specific position and passes through the center point of the shaft while the electric pump does not operate, or moves to one of two areas divided by the specific line. The one of the two areas may he opposite to the other of the two areas that includes the specific position. | 06-20-2013 |
20130160531 | SENSOR DEVICE - A sensor device may be configured to detect a level of liquid, a concentration of a specific substance included in the liquid, and a temperature of the liquid. The sensor device may comprise a substrate, a level electrode configured to be disposed on the substrate and detect the level, an electrode for liquid quality configured to be disposed on the substrate and detect the concentration, a temperature electrode configured to be disposed on the substrate and detect the temperature, and a reference electrode configured to be disposed on the substrate and maintain a reference electric potential. The reference electrode may be disposed at least between two of the level electrode, the electrode for liquid quality and the temperature electrode. | 06-27-2013 |
20130160651 | EVAPORATED FUEL TREATMENT APPARATUS - In an evaporated fuel treatment apparatus, for reducing blow-by of an evaporated fuel component to the outside, the evaporated fuel treatment apparatus includes at least one adsorption chamber filled with a first adsorbent and a second adsorbent that adsorb and desorb a fuel component of evaporated fuel, and the first adsorbent has a higher pore volume than the second adsorbent with respect to effective pores that effectively adsorb and desorb a low-boiling fuel component, and the first adsorbent has a lower pore volume than the second adsorbent with respect to pores smaller than the effective pores and having higher adsorbability and lower desorbability on butane than the effective pores. | 06-27-2013 |
20130166175 | SENSOR AND CONTROL DEVICE - A sensor may be configured to be disposed in a fuel tank. The sensor may comprise a density detecting unit and a temperature detecting unit. The density detecting unit may be configured to detect a density of a specific substance included in fuel in the fuel tank. The temperature detecting unit may be configured to be located below the density detecting unit and detect a temperature of the fuel. | 06-27-2013 |
20130183179 | MOTOR AND ELECTRIC PUMP - A motor may comprise a rotor and a stator. A first core of the stator may comprise three pieces of first partial cores and a first connecting portion connecting the first partial cores adjacent to one another. The first partial core may comprise a tooth part disposed at a front edge portion and a contacting part disposed at a rear edge portion. The contacting part may contact the adjacent first partial core. The first core may be formed such that a state of the contacting parts changes from a separated state in which the contacting parts are separated from each other to a contacting state in which the contacting parts of the adjacent first partial cores are contacting each other. | 07-18-2013 |
20130187487 | BRUSHLESS MOTOR - A brushless motor may comprise a rotor comprising a shaft, a back yoke fixed on the shaft, a permanent magnet disposed at an outer circumference of the back yoke and first and second resin portions. The first resin portion may be formed at one ends of the back yoke and the permanent magnet and the second resin portion may be formed at other ends. The first and second resin portions may be fixed the back yoke and the permanent magnet. A communication hole communicating one end side and another end side in the shaft axis direction may be formed through the back yoke or between the shaft and the back yoke. A third resin portion connecting with the first and the second resin portions may be formed within the communication hole. The first, second and third resin portions may be formed integrally. | 07-25-2013 |