| Patent Number |
Title Of Patent |
Date Issued |
| 7303241 |
Pump drive motor control apparatus |
December 4, 2007 |
| A pump drive motor control apparatus controls a motor used for driving a hydraulic pump. Every time the supply of electricity to the motor is resumed (every time the motor control signal changes from a low level to a high level), the apparatus measures a time which the voltage generated |
| 7302328 |
Steering control apparatus for vehicle and method for steering control |
November 27, 2007 |
| A steering control apparatus obtains a steered amount by which a steered wheel is steered based on a left-and-right braking force difference control amount, a vehicle state control amount, and a steering control amount. The apparatus changes the magnitude of the braking force differe |
| 7284803 |
Vehicle brake control apparatus |
October 23, 2007 |
| In a vehicle brake apparatus, front-wheel brake power is controlled with fluid pressure brake power (a front-wheel VB fluid pressure part Fvbf+an increase in fluid pressure brake power equivalent to a liner valve pressure difference .DELTA.P1) and regenerative brake power Freg, while |
| 7275625 |
Disk brake pad |
October 2, 2007 |
| A disk brake pad controls rotation of a disk rotor by pushing a friction surface against the disk rotor while it is rotating. The disk brake pad is formed with respective chamfered portions at respective end portions of the disk brake pad at the incoming and outgoing disk-rotor-rotation |
| 7274985 |
Traction control device |
September 25, 2007 |
| A target vehicle speed is switched between a target slip vehicle speed and a target torque vehicle speed on the basis of a result of a determination regarding whether or not a vehicle is insufficiently accelerated. More specifically, if traction control is not performed, the target slip |
| 7264094 |
Friction pair |
September 4, 2007 |
| A friction pair has a friction member and a mating member. A braking force is generated owing to a friction force generated between the friction member and the mating member. The friction member includes base fibers, a friction conditioner, a binder and copper oxide. The copper oxide has |
| 7264093 |
Combined service and parking brake apparatus |
September 4, 2007 |
| A combined service and parking brake apparatus includes a piston which forms a hydraulic chamber within a cylinder portion; a brake lining which, when pressed by the piston, brakes rotation of a disc rotor; a second piston which divides the hydraulic changer into a first hydraulic ch |
| 7261382 |
Reservoir tank for vehicle brake system |
August 28, 2007 |
| A reservoir tank has an inlet/outlet port communicating with a master cylinder, and a hydraulic fluid supply port provided directly opposite the inlet/outlet port. A tubular portion is provided on the inner surface of the tank. The tubular portion has an internal passage communicating |
| 7257997 |
Method of detecting longitudinal force of tire and longitudinal force detecting apparatus used t |
August 21, 2007 |
| An apparatus for detecting a longitudinal force of a tire is provided with at least one mark (3) provided in on one circumferential line (j) in a tire (2), a first sensor (5) disposed in a vehicle body side (4) and capable of detecting a passage of the mark (3), a second sensor (7) c |
| 7255407 |
Vehicle braking control device for braking force distribution |
August 14, 2007 |
| A braking control device for a vehicle executes braking force distribution (BFD) biased to the front wheels, taking into account auxiliary braking control such as braking assist control (BAS) executed when an abrupt or full braking action is performed by the driver. In BFD control a brak |
| 7247005 |
Oil seal arrangement |
July 24, 2007 |
| A motor-driven gear pump assembly includes a rotary shaft rotatably mounted in a housing, and a pump mounted on the rotary shaft. The pump has a pressure chamber. A high-pressure seal is disposed around the shaft between the pump and the motor. A low-pressure seal is provided around |
| 7246864 |
Vehicle motion control apparatus |
July 24, 2007 |
| A hydraulic pressure regulating device is disposed between a master cylinder and a pair of wheel cylinders included in each of a dual hydraulic circuit. A desired value is provided for a wheel cylinder operatively associated with a wheel to be controlled, on the basis of state variab |
| 7240972 |
Maximum road friction force estimating device and brake torque control device |
July 10, 2007 |
| A brake torque control device obtains inertia torque Tine based upon an equation of motion (Tine=Tw-FtRt) about the rotation of a tire based upon a wheel torque Tw according to a brake torque exerted on the tire, road friction force Ft and a radius Rt of the tire. When the inertia torque |
| 7240971 |
Rolling motion stability control apparatus for a vehicle |
July 10, 2007 |
| A rolling motion stability control apparatus restrains a roll increasing tendency of a vehicle, with each wheel of the vehicle being braked by a wheel brake device. A first braking force control device is provided for applying a first braking force to the wheel, when the vehicle is turne |
| 7237851 |
Brake hydraulic pressure control unit |
July 3, 2007 |
| A brake hydraulic pressure control unit is proposed. It includes housing, a pump mounted in the housing, a reservoir for hydraulic fluid, and hydraulic pressure control valves. The pump is adapted to draw hydraulic fluid in the reservoir and return the thus drawn fluid into a hydraulic |
| 7237850 |
Fluid control apparatus |
July 3, 2007 |
| In a fluid control apparatus having coil-supporting protruding portions on one end surface of a case, where each coil-supporting protruding portion is deformed by pressing a coil portion with a pressing jig to the coil-supporting protruding portion, in a state where the other end sur |
| 7234786 |
Vehicular brake control apparatus and vehicular brake control method |
June 26, 2007 |
| A vehicular brake control apparatus detects risky occasions and locations that may be risky by using, for example, an infrastructure information input device or a navigation device, and, for such locations and the like, performs the pre-charge so that braking force will be promptly g |
| 7233238 |
Tire air-pressure alarming device, tire monitored thereby and control method for properties of t |
June 19, 2007 |
| A tire air-pressure alarming device includes wheel speed sensors for detecting wheel speeds of wheels of a motor vehicle and also includes a microcomputer-base control device and an alarming unit. The control device is programmed to execute function steps of: deriving a decision valu |
| 7228219 |
Straight running judging device for vehicles |
June 5, 2007 |
| A straight running state is accurately determined using only wheel speed data in any running state. Based upon right and left wheel speed values calculated by a wheel speed calculating mechanism (13) from detection values of right and left wheel speed sensors (11, 12), a wheel speed |
| 7222923 |
Vehicle wheel speed estimation device, vehicle body speed estimation device and vehicle behavior |
May 29, 2007 |
| In a case where one of a left and right pair of drive wheels is a non-controlled wheel to which braking force of a vehicle behavior control is not applied, and the other of the drive wheels is a controlled wheel to which braking force is applied, a detected vehicle wheel speed for the |
| 7221148 |
Wheel speed sensor assembly |
May 22, 2007 |
| A wheel speed sensor assembly includes a rotor formed with first and second protrusions arranged circumferentially on the outer periphery thereof in two separate rows at an equal angular pitch. The first protrusions are angularly displaced from the respective second protrusions by ha |
| 7216942 |
Vehicle motion control device |
May 15, 2007 |
| This device is applied to a vehicle having a dual circuit brake conduit (so-called X-conduit) comprising a circuit for a front-right wheel and a rear-left wheel and a circuit for a front-left wheel and a rear-right wheel. This device obtains basic control volume Gb based upon a vehicle |
| 7216939 |
Vehicle brake hydraulic pressure control apparatus |
May 15, 2007 |
| This brake hydraulic pressure control apparatus adopts, as the pressure-increasing valve, a normally-open linear solenoid valve that can linearly adjust the actual differential pressure. This apparatus repeatedly executes, in principle, a control cycle in which a pressure-reducing co |
| 7213892 |
Vehicle motion control apparatus |
May 8, 2007 |
| The present invention is directed to a vehicle motion control apparatus, which includes normally open valves to supply hydraulic pressure discharged from a master cylinder into wheel brake cylinders, normally closed valves to reduce wheel cylinder pressure, and a proportional pressur |
| 7213687 |
Emergency braking apparatus for vehicle |
May 8, 2007 |
| A vehicle emergency brake system has a second brake for braking a vehicle by increasing the frictional resistance with the road surface, a millimeter wave radar for detecting any obstacle in an advancing direction, a pedal speed sensor for detecting the step-in speed of a brake pedal |
| 7212903 |
Vehicle motion control apparatus |
May 1, 2007 |
| A vehicle motion control apparatus is provided with an anti-skid control device and a steering angle adjusting device, which adjusts the steering angle of at least one of the front and rear wheels to cancel a yaw deviation between a desired yaw factor and an actual yaw factor, to be |
| 7207261 |
Vacuum-operated booster |
April 24, 2007 |
| Reaction force from a reaction member is divided and transmitted to a front shaft portion of a plunger via abutment member and to a flange portion of the plunger via a spring unit. The spring unit includes a tubular first holding member assembled to the front shaft portion of the plu |
| 7201257 |
Disk brake devices |
April 10, 2007 |
| A disk brake device has a rotary brake disk, at least one pad, and a mount. The pad has a guide portion disposed on one end of the pad in the rotational direction of the brake disk. The mount has a support portion that slidably supports the guide portion, so that the pad can move in the |
| 7198334 |
Brake fluid control device |
April 3, 2007 |
| An engagement portion with a shape recessed in a radial direction of a sleeve is formed on an outer peripheral surface of the sleeve so as to circuit the outer periphery of the sleeve. The engagement portion is also disposed inside an assembly hole of a housing. Caulking of an area s |
| 7195323 |
Electric brake system |
March 27, 2007 |
| The present invention provides an electric brake system in which an actual control variable in the electric brake when overshooting is generated is determined, and the target value is set to a maximum value of the actual control variable in the electric brake when overshooting is generat |
| 7192099 |
Brake devices |
March 20, 2007 |
| A brake device comprises a brake cylinder, a reservoir, a pump, a master cylinder, and a pulsation-reduction device. The reservoir serves to accumulate a working liquid discharged from the brake cylinder. The pump serves to pump the working liquid accumulated within the reservoir. The |
| 7191048 |
Vehicle motion control apparatus |
March 13, 2007 |
| A vehicle motion control apparatus is provided for performing a vehicle stability control on the basis of a parameter indicative of lateral margin for a tire on a road. The apparatus includes a steering control device for controlling a relationship between a steering angle and a tire |
| 7188913 |
Vehicular motor-driven brake device |
March 13, 2007 |
| A vehicular motor-driven brake apparatus includes an open circuit in which reciprocation of a master cylinder generating a brake pressure is caused by an actuator that operates according to a pedal operation amount, and brake fluid discharged from a wheel cylinder during pressure decreas |
| 7185957 |
Braking force distribution control apparatus and method |
March 6, 2007 |
| A braking force distribution apparatus for a vehicle includes pressure sensors for detecting the internal pressures of the tires, and wheel speed sensors for detecting the angular speeds of the wheels. The apparatus obtains a dynamic load radius change rate of each tire which corresp |
| 7178818 |
Vibration damping device for use in automotive suspension system and suspension system using the |
February 20, 2007 |
| A vibration damping device for use in a automotive suspension system, adapted to be disposed at a linking portion between a body of the vehicle and a suspension member that connects and supports a wheel on the body is disclosed. The vibration damping device comprises a load sensing unit |
| 7175241 |
Brake apparatus |
February 13, 2007 |
| When a voltage supply to a motor is switched to OFF from ON, a brake fluid pressure control apparatus determines whether a duration of time required for a terminal voltage of the motor to reach a first threshold is shorter than a first predetermined duration of time, and whether a durati |
| 7174241 |
Speedometer controller and speedometer control method |
February 6, 2007 |
| A vehicle speed is obtained from detection signals obtained from wheel speed sensors. In a case where a vehicle speed calculation is shifted from a first method to a second method, a vehicle speed displayed on a speedometer is gradually changed from the vehicle speed obtained by the |
| 7168771 |
Methods of measuring pressure of hydraulic fluid, methods of evaluating soundness and hydraulic |
January 30, 2007 |
| A condition of hydraulic fluid conducted from an accumulator to an operation device via a pressure control unit, is evaluated by determining a pressure (Pa) of the fluid in a flow path interconnecting the accumulator and the control unit, and determining a stabilization time (T) when |
| 7168769 |
Vehicular brake system and method of controlling same brake system |
January 30, 2007 |
| The brake system of the invention, during the ABS control mode, corrects the target slip rate in accordance with the turning of the vehicle, and determines whether the vehicle is running on a poor surface road. If the vehicle is running on a poor surface road, the system sets a target sl |
| 7164974 |
Vehicle roll sensing using load shift estimation |
January 16, 2007 |
| In vehicle roll sensing of the present invention, a self-aligning torque (SAT) estimator estimates a composite value of SATs generated on tire contact patch of right and left wheels. A slip angle computer detects a vehicle speed and a steering angle and computes a slip angle of the wheel |
| 7162350 |
Vehicle motion control device |
January 9, 2007 |
| A control of a vehicle motion control device 10 is as follows during an oversteer restraining control. Specifically, when tire inflation pressure is appropriate, the device sets braking force exerted on each of front and rear wheels at the outer side of the turning direction so as to be |
| 7159696 |
Hydraulic braking pressure generating apparatus for vehicles |
January 9, 2007 |
| A pressure generating apparatus includes a first piston moved in response to operation of a brake pedal, an elastic member for providing a stroke of the first piston in response to braking operation force of the brake pedal, a second piston accommodated in a housing for defining a master |
| 7158372 |
Electronic control unit |
January 2, 2007 |
| In an electronic control unit, a chassis is provided with a plate portion, and a circuit board is secured to a board-side attaching surface of the plate portion with a predetermined space secured relative to the plate portion. The chassis is further provided with a side wall protruding f |
| 7152931 |
Hydraulic circuit with accumulator |
December 26, 2006 |
| A hydraulic circuit includes an accumulator having an inflow passage which introduces a hydraulic fluid which is discharged from a hydraulic pump into a hydraulic fluid chamber and a discharge passage which discharges the hydraulic fluid from the hydraulic fluid chamber to a hydraulic |
| 7152500 |
Pedal structure for motor vehicles |
December 26, 2006 |
| A parking brake pedal structure is disclosed, wherein a parking brake pedal comprises a pedal arm and a pedal pad mounted at an end portion of the pedal arm. The pedal arm includes an arm body and an arm end portion for mounting the pedal pad thereon. The arm end portion includes a pad |
| 7150196 |
Electromagnetic valve and mounting method thereof |
December 19, 2006 |
| If a pressure sensor is increased in size and therefore the inside diameter of a yoke is increased, a stopper is provided with a large-diameter portion. The large-diameter portion makes it possible to reduce the air gap between the stopper and the yoke and therefore suppress an incre |
| 7146812 |
Hydraulic brake apparatus |
December 12, 2006 |
| A hydraulic brake apparatus includes a tandem brake master cylinder having a rod piston moving in response to a brake pedal, and a floating piston moving in response to the rod piston; a separation valve provided in a hydraulic brake circuit connecting the brake master cylinder and brake |
| 7140697 |
Electric parking brake apparatus |
November 28, 2006 |
| When a driver operates an activation switch, an electric parking brake apparatus performs a parking brake activation control in order to operate an electric motor until the tension of a base wire reaches a predetermined target tension to thereby bring parking brakes into an activated |
| 7134533 |
Combined service and parking brake apparatus |
November 14, 2006 |
| In a brake apparatus, a lead in a meshed portion between an external-thread portion (second stationary screw element) of a threaded shaft and an internal-thread portion (second movable screw element) of a nut is shorter than that in a meshed portion between an internal-thread portion |
| 7124930 |
Welding method and tubular member and gear pump made using the welding method |
October 24, 2006 |
| A gear pump having an inner rotor and an outer rotor is covered by a cylindrical outer casing and side casings. The cylindrical outer casing has two outer circumferential edges which are welded over the entire circumference thereof to the outer edges of the side casings, respectively |
