| Patent Number |
Title Of Patent |
Date Issued |
| 7607300 |
Fluid pressure booster |
October 27, 2009 |
| A fluid pressure booster includes: a control piston in which brake operation input acts in an advancing direction, and reaction based on fluid pressure of a booster fluid pressure generation chamber that generates fluid pressure for actuating a master piston acts in a retracting dire |
| 7517027 |
Hydraulic brake device |
April 14, 2009 |
| A normally closed secondary solenoid opening/closing valve 36 is provided along a secondary branched fluid pipe 35 establishing a communication between an accumulator 11 and a reservoir 8 through a fluid pressure input side to a fluid pressure output side of a regulator valve 3, and in |
| 7413264 |
Vehicle braking system |
August 19, 2008 |
| A vehicle braking system having 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 balances a reaction force generated by hydraulic pressure |
| 7360360 |
Vehicle braking device |
April 22, 2008 |
| 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 diameter toward the front. |
| 7104058 |
Vehicle braking system |
September 12, 2006 |
| 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 slidably fitted in the c |
| 7077482 |
Vehicle braking system |
July 18, 2006 |
| 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 of the control piston. |
| 5658131 |
Electric pump control system |
August 19, 1997 |
| An electric pump is turned ON and OFF by a main drive circuit including a negative pressure sensor for detecting a negative pressure in an accumulator, a first relay and a control device, and also turned ON and OFF by a back-up drive circuit including a negative pressure switch for d |
| 5542754 |
Brake system in electric vehicle |
August 6, 1996 |
| In an electric vehicle capable of being regeneratively braked, driven wheels connected to and driven by a motor are connected to and capable of being regeneratively braked by a brake control unit. When the regenerative braking of the driven wheels is being conducted by the brake control |
| 5433512 |
Braking system for electric vehicle |
July 18, 1995 |
| In an electric vehicle capable of regenerative braking of wheels, a differential pressure regulating valve is interposed between a master cylinder for generating a hydraulic braking pressure by operation of a brake operating element and a brake cylinder for a driven wheel. In a first |
| 5399000 |
Brake system in electric vehicle |
March 21, 1995 |
| In a brake system in an electric vehicle comprising a follower wheel capable of being hydraulically braked by the operation of a brake operating element, and a driving wheel connected to and driven by a motor using a battery as an energy source and capable of being hydraulically brak |
| 5318355 |
Brake system in electric vehicle |
June 7, 1994 |
| The switchover is mode from a regenerative braking-preference mode in which the braking force for follower and driving wheels are more than a theoretical braking force distribution characteristic for follower and driving wheels, to a usual mode in which a braking force distribution c |
| 5287772 |
Transmission control system in electric vehicle |
February 22, 1994 |
| A transmission control system in an electric vehicle in which a battery is used as en energy source for a motor and is charged with an electric power generated through the motor by regenerative braking of driving wheels which are connected to the motor through a transmission. In the |
| 5191685 |
Buckle for watch bands |
March 9, 1993 |
| A buckle having a lock mechanism for a watch with opposite bands is disclosed. The lock mechanism (40) is provided in a frame member (20) secured to one of the bands (37). The lock mechanism comprises a lock lever (41) having a locking portion and a pressing-up lever (42) having a pr |
| 4826207 |
Compound suspension system |
May 2, 1989 |
| For better handling and improved riding comfort of a vehicle, there is provided a compound suspension system comprising a plurality of hydraulic shock absorbers each having a front chamber and a back chamber defined in front of and behind a piston member, respectively, received in a cyli |
