About 28 results
https://drivepatents.com/patents/1381000 · 16 Apr 2026
A system and method for reducing brake drag in vehicles equipped with electronic parking brakes (EPB) is disclosed. The system includes an EPB, a brake caliper with a piston having a seal groove containing a seal, a hydraulic brake system, and a controller...
https://drivepatents.com/patents/1395615 · 24 Dec 2025
A ball screw device is achieved in which the number of components can be suppressed and the assembling efficiency can be improved even in a structure that rotationally drives a screw shaft via a planetary speed-reducing mechanism. A screw shaft 2 has a scr...
https://drivepatents.com/patents/952766 · 9 Mar 2016
An electric brake has a master cylinder (12) including pistons (22, 24) for rear and front brake circuits and an electric motor (50) for actuating the rear brake piston (22). A feedback circuit provides a signal indicative of the fluid pressure supplied to...
https://drivepatents.com/patents/957506 · 23 Sep 2015
A brake booster for a vehicle brake system includes a brake force transmitting element configured to be moveable in an axial direction for transmitting a pedal brake force from a brake pedal to a primary brake cylinder of the vehicle, a booster force trans...
https://drivepatents.com/patents/957615 · 16 Sep 2015
The present invention discloses a booster (100) and a brake system. The booster includes a valve body (2) and a boosting assembly including a ball screw. The ball screw includes a screw rod (40), a nut (41) and a plurality of balls cooperating with and bet...
https://drivepatents.com/patents/950937 · 13 May 2015
The present invention relates to a brake pedal force simulator for a vehicle braking system comprising a brake pedal (2) pivotably supported by a fulcrum pin (3) on a pedal support (4), an electrical actuator (5) operatively coupled to said brake pedal (2)...
https://drivepatents.com/patents/969686 · 24 Sep 2014
A method of operating a hydraulic brake system is described. A method of operating a hydraulic brake system of a motor vehicle having a mechatronic brake booster to boost a hydraulic pressure generated in a brake master cylinder of the brake system by a br...
https://drivepatents.com/patents/972931 · 2 Jul 2014
Brake hydraulic pressure is appropriately prevented from becoming lower than a reference brake pressure for holding control. When a physical amount correlating with the rotational speed of an electric motor has become higher than or equal to a predetermine...
https://drivepatents.com/patents/974349 · 28 May 2014
The servo-brake (100) has a supporting sleeve (5) between a return spring (41) of an actuating piston (4) and the piston. The sleeve includes a support (52) for a spring (53) against a front face of a rear end (71) of a push rod (7) for moving the push rod...
https://drivepatents.com/patents/974611 · 21 May 2014
The booster (100) has an assistance piston (6) provided with a lever (5), where a support point (51) of the lever is articulated to a back part of the assistance piston and supported against a plunger piston (8) by an intermediate point (52) of the lever. ...