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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 7753456 | Vehicle brake hydraulic pressure control unit A vehicle brake hydraulic pressure control unit in which a pair of regulator valves, four normally open electromagnetic valves, a pair of reservoirs, four normally closed electromagnetic valves, a pair of pumps and a pair of suction valves are provided in a common b... | 07/13/2010 |
| 7549711 | Vacuum pressure booster A vacuum pressure booster has a booster shell; a booster piston; a valve cylinder including: a valve piston; an input rod; a control valve; and an input return spring, and the control valve including: an annular vacuum pressure introducing valve seat; an atmosphere ... | 06/23/2009 |
| 7422421 | Plunger pump apparatus A reservoir chamber 33, which communicates with a vent passage 34 provided in an electric motor 11, is formed between a motor casing 20 of the electric motor 11 and a body 13 in which a drain port 59A, which communica... | 09/09/2008 |
| 7423085 | Carbon black composite material and method of producing the same, and composite elastomer A method of producing a carbon black composite material includes: a step (a) of mixing an elastomer and carbon black to obtain a composite elastomer; and a step (b) of mixing the composite elastomer and a matrix material to obtain a carbon black composite material i... | 09/09/2008 |
| 7370737 | Disc brake for a vehicle A disc brake for a vehicle has a caliper body including an acting section having a cylinder hole and provided on a first side of a disc rotor, a reacting section on a second side of the disc rotor and a bridge section connecting the acting section with the reacting ... | 05/13/2008 |
| 7360360 | Vehicle braking device A vehicle braking device includes a stroke simulator provided between a control piston of a fluid pressure booster and a brake operation member, wherein the control piston has an inner peripheral surface partially including a tapered surface with a decreasing diamet... | 04/22/2008 |
| 7331640 | Vehicular brake control apparatus and control method therefor A control unit 10 controls brake forces of brake systems of a pair of brake operation elements L1, L2 operated independently to perform an anti-lock brake control for eliminating a locked state of a wheel. The control unit 10 applies the ... | 02/19/2008 |
| 7331432 | Disk brake apparatus Axial grooves 8e and circumferential groove 8f intersecting with he axial grooves are provided in a cylinder bore 8e. A fixed-side cam plate 12 has anti-rotation projections 12c, which are projected from... | 02/19/2008 |
| 7318467 | Caliper body and method of manufacturing caliper body of vehicular disk brake A method of manufacturing the caliper body of a vehicular disc brake by the gravity casting method. The caliper body is used for the vehicular disc brake wherein a pair of frictional pads are disposed opposite to each other with a disc rotor held therebetween. The c... | 01/15/2008 |
| 7299904 | Brake fluid pressure maintaining apparatus for vehicles A brake fluid pressure maintaining apparatus for a vehicle, having: a master cylinder; a check valve; and, a normally-open-type electromagnetic valve including an electromagnetic coil, a fixed core, and a movable core, and in the brake fluid pressure maintaining sta... | 11/27/2007 |
| 7293413 | Vehicle braking device There is provided a vehicle braking device in which a front outer periphery of a backup piston that can directly press a master piston from behind when output fluid pressure from a fluid pressure generation source is reduced is fluid-tightly and slidably fitted to a... | 11/13/2007 |
| 7273085 | Method of deoxidation casting and deoxidation casting machine Deoxidation casting machine, in which a deoxidizing compound reacts with a molten metal so as to deoxidize an oxide film formed on a surface of the molten metal. The machine includes a casting die having a molten metal inlet, a cavity into which a molten metal is po... | 09/25/2007 |
| 7273003 | Plunger pump A plunger pump, includes: a plunger pump unit including a pump chamber and a plunger for pressing a hydraulic fluid in the pump chamber to perform a discharging operation of the hydraulic fluid; a motor; and a cam portion driven by the motor to rotate and press the ... | 09/25/2007 |
| 7267204 | Pad remaining amount checking structure in disk brake of vehicle In a disk brake of a vehicle, a caliper device which supports pads that can be pressed against a brake disk rotating with a wheel and which exerts a force to press the pads against the brake disk, is supported on a support member that supports an axle of the wheel. ... | 09/11/2007 |
| 7252135 | Composite metal material and method of producing the same A method of producing a composite metal material includes: (a) mixing an elastomer and filler particles to obtain a composite material; and (b) mixing the composite material and a metal to obtain a composite metal material in which the filler particles are uniformly... | 08/07/2007 |
| 7246632 | Normally-closed electromagnetic valve and manufacturing method for the same A normally-closed electromagnetic valve has a body member having a receiving space, a fixed core, a valve seat, a moving core, a resilient member urging the moving core toward the valve seat, a valve element and a coil exciting the fixed core to produce an attractin... | 07/24/2007 |
| 7240893 | Normally closed solenoid valve A normally closed solenoid valve includes a fixed core, a valve portion including a valve seat and a valve body, a movable core disposed between the fixed core and the valve seat, a resilient biasing member for biasing the movable core in a valve-closing direction a... | 07/10/2007 |
| 7232015 | Caliper body method of manufacturing caliper body of vehicular disc brake A method of manufacturing the caliper body of a vehicular disc brake by the gravity casting method. The caliper body is used for the vehicular disc brake wherein a pair of frictional pads are disposed opposite to each other with a disc rotor held therebetween. The c... | 06/19/2007 |
| 7231703 | Deburring method and automotive knuckle A knuckle 1 has a through hole 3 provided in a fitting hole 4 thereof. A cutting tool 9, which has a diameter being larger than that of the through hole 3 and also has a cutting part having a hemispherical leading end portion, is c... | 06/19/2007 |
| 7219773 | Disc brake for vehicle A disc brake for a vehicle has a caliper bracket fixed to a vehicle body, a pair of caliper support arms striding an outer periphery of a disc rotor in a disc axial direction, pad guide grooves formed in the caliper support arms so as to be opposed to each other, fr... | 05/22/2007 |
| 7216746 | Brake drum and process for manufacturing the same A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. The brake drum has a disk portion and a cylindrica... | 05/15/2007 |
| 7187097 | Pump actuation motor A rotor is provided so that a rotor-side end part of a rotation shaft is rotatably supported by a bearing accommodated in a bearing accommodating part provided in a bottom part of a yoke in such a way as to project to a rotor side, and a part of an armature winding ... | 03/06/2007 |
| 7156472 | Brake control apparatus A brake control apparatus having a brake pressure controlling unit including normally-open-type electromagnetic valves for preventing a fluid pressure transmitted from a master cylinder to wheel brakes when the valves close and a control unit executing an anti-lock ... | 01/02/2007 |
| 7104559 | Deburring method and automotive knuckle A knuckle 1 has a through hole 3 provided in a fitting hole 4 thereof. A cutting tool 9, which has a diameter being larger than that of the through hole 3 and also has a cutting part having a hemispherical leading end portion, is c... | 09/12/2006 |
| 7104058 | Vehicle braking system In a vehicle braking system, a backup piston pushes a master piston directly from behind when hydraulic pressure of a boosted hydraulic pressure chamber decreases. The backup piston has a piston body which is slidably fitted in a casing, and a pusher which is slidab... | 09/12/2006 |
| 7093435 | Hydraulic controller A hydraulic controller includes: a pair of liquid chambers; and an on-off valve capable of opening and closing a flow channel on the side of the liquid chamber with a higher hydraulic pressure out of the pair of liquid chambers. The flow channel can provide communic... | 08/22/2006 |
| 7083240 | Vehicle braking system A vehicle braking system includes: a hydraulic booster which applies output hydraulic pressure of a hydraulic power source to a boosted hydraulic pressure chamber after regulating the output hydraulic pressure as a control piston operates to balance reaction force g... | 08/01/2006 |
| 7077482 | Vehicle braking system A simulator piston is slidably fitted in a control piston to form a stroke liquid chamber between itself and an end wall of a control piston. A port which is closed at a forward limit of the control piston with respect to a backup piston is provided in the end wall ... | 07/18/2006 |
| 7072164 | Electric parts drive circuit An electric parts drive circuit has: a first field-effect transistor including in parallel a first parasitic diode and provided between the plus line and an electric part; a second field-effect transistor including in parallel a second parasitic diode, the first and... | 07/04/2006 |
| 7021724 | Vacuum booster In a vacuum booster in which a reaction force mechanism is interposed between an input rod and a valve cylinder connected integrally with a booster piston, and an output rod, a valve piston is fitted onto an input piston connecting the input rod and the reaction for... | 04/04/2006 |
| 7000470 | Wheel speed sensor, method for producing the same, terminal and method for welding terminal and electric wire A wheel speed sensor has a detection element having at least one lead for detecting a wheel speed, at least one terminal portion connected to the lead of the detection element, a holder portion having a detection element fitting portion fitting the detection element... | 02/21/2006 |
| D512946 | Caliper body of disk brake for vehicle | 12/20/2005 |
| D512667 | Caliper body of disk brake for vehicle | 12/13/2005 |
| 6964166 | Hydraulic master cylinder for vehicle A hydraulic master cylinder for vehicle has: a cylinder main body; a sleeve; a plurality of seal rings; a plug, a lid member comprising the sleeve and the plug; and a piston inserted into the cylinder bore so as to form a hydraulic pressure chamber between the pisto... | 11/15/2005 |
| 6932142 | Reduction casting method A reduction casting method includes the steps of: pouring a molten metal into a cavity of a molding die; and performing casting while reducing an oxide film formed on a surface of the molten metal by allowing the molten metal and a reducing substance to come into co... | 08/23/2005 |
| 6925801 | Brake hydraulic pressure controller for a vehicle The control unit keeps the energization duty factor to the electric motor at 100% until a predetermined time elapses and thereafter executes control of the energization duty factor in accordance with the voltage of the battery. ... | 08/09/2005 |
| D508001 | Caliper body of disk brake for vehicle | 08/02/2005 |
| D507773 | Lining pad of disk brake for vehicle | 07/26/2005 |
| 6915200 | Abnormality determining device for longitudinal acceleration sensor for vehicle and method thereof An abnormality determining device for a longitudinal acceleration sensor for a vehicle has: a first acceleration estimating unit based on a wheel speed; a second acceleration estimating unit based on the throttle angle; a determination-permission deciding unit for s... | 07/05/2005 |
| D506714 | Caliper body of disk brake for vehicle | 06/28/2005 |