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| Number | Title | Issue Date |
| 7290841 | Hydraulic braking system including power-operated pressure source device, and device for controlling pressure output of the pressure source device Braking system including a power-operated hydraulic pressure source operable to deliver a pressurized working fluid, a brake including a hydraulically operated brake cylinder, and a flow-rate changing device disposed between the power-operated hydraulic pressure sou... | 11/06/2007 |
| 7043911 | Vehicle braking system master cylinder A master cylinder suitable for a vehicle braking system has an unusual capability to supply quantities of fluid and fluid pressures at its output in differentiated manner in dependence on the braking stage, preventing long transitory stages between an approach stage... | 05/16/2006 |
| 6679056 | Pressure booster A pressure booster comprising a housing (11) with a low-pressure fluid inlet (14), a high-pressure fluid outlet (15), and an inlet (16) and an outlet (17) for compressed air. In the housing (11) there is provided a main piston (22) with an enlarged portio... | 01/20/2004 |
| 6477839 | Hydraulic brake for a vehicle A hydraulic brake device for a vehicle includes a master piston, an auxiliary piston having first and second pistons, and an assisting device for assisting actuation of the master piston through the auxiliary piston. The brake pressure increase gradient i... | 11/12/2002 |
| 6363720 | Master cylinder for automotive vehicle A master cylinder having variable input/output characteristics includes a cylinder body in which is formed a cylinder bore and a piston fitted in the cylinder bore and movable upon brake operation. The piston is divided into a front portion and a rear por... | 04/02/2002 |
| 5970710 | Master cylinder for a vehicle hydraulic braking system A master cylinder (10) for a vehicle hydraulic braking system (12) has a housing (18) with a bore (20) formed therein. A piston (22) is guided in a sealing and displaceable manner in the bore (20) and is mechanically connected to a rod-like actuating elem... | 10/26/1999 |
| 4660898 | Hydraulic brake system with slip control A hydraulic brake system with slip control for automotive vehicles, comprises a master cylinder (2) pressurizable by a hydraulic power booster (1), in which system valve members (39, 40, 43, 44, 47) are inserted between the master cylinder (2) and the whe... | 04/28/1987 |
| 4643489 | Hydraulic brake system with slip control A hydraulic brake system with slip control, in particular for automotive vehicles, comprising a master cylinder (2) actuatable by a hydraulic power booster (1), in which brake system valve means (23, 24, 28, 29, 32, 33, 34, 35) are inserted between the ma... | 02/17/1987 |
| 4582365 | Hydraulic brake system A slip control hydraulic brake system for wheel brakes wherein a sliding booster piston and a second piston form a working chamber with hydraulic pressure that acts upon a wheel brake. The booster piston and the brake system housing form two annular chamb... | 04/15/1986 |
| 4072014 | Control means for a two stage servomotor The control valve for a two stage servomotor used in a braking system. A two stage servomotor has a housing with a stepped bore therein for retaining a piston and a cylindrical body. A deformable member adjacent the cylindrical body transmits a first oper... | 02/07/1978 |
| 3937021 | Hold off valve for a two stage servomotor A hold off valve for use in a two stage pressurizing mechanism to control the transition from a first operational condition to a second operational condition. A stepped piston in the pressurizing mechanism has a first diameter and a second diameter throug... | 02/10/1976 |
