IPC Subgroup
B60T 8/34 having a fluid pressure regulator responsive to a speed condition
Introduced: January 1985
Last revised: January 2006
Full Title
Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force > responsive to a speed condition, e.g. acceleration or deceleration > having a fluid pressure regulator responsive to a speed condition
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- VEHICLES IN GENERAL
- Subclass:
- VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
8 direct subcodes
Child Classifications
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- B60T 8/36 including a pilot valve responding to an electromagnetic force
- B60T 8/38 including valve means of the relay or driver controlled type
- B60T 8/4 comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T 8/42 having expanding chambers for controlling pressure
- B60T 8/44 co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device
- B60T 8/46 the pressure being reduced by exhausting fluid
- B60T 8/48 connecting the brake actuator to an alternative or additional source of fluid pressure
- B60T 8/5 having means for controlling the rate at which pressure is reapplied to the brake
Top Applicants
Top 10 applicants by patent filingsfor class B60, 2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 28,052
- HYUNDAI MOTOR COMPANY KR 27,773
- FORD GLOBAL TECHNOLOGIES US 26,243
- KIA MOTORS CORPORATION KR 20,110
- ROBERT BOSCH DE 19,033
- TOYOTA MOTOR CORPORATION JP 17,924
- BMW (BAYERISCHE MOTOREN WERKE) DE 14,214
- HONDA MOTOR COMPANY 12,527
- AUDI DE 10,806
- GM GLOBAL TECHNOLOGY OPERATIONS US 10,336