Anti-lock braking system
US5011237A · kind A · utility
14Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 17, 1989 |
| Grant date | Apr 30, 1991 |
| Priority date | — |
| Expiry date | May 17, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T8/4266
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle anti-lock braking system is provided. In a preferred embodiment the system has an actuator frame with a bore fluidly connected to the wheel brake and to a master cylinder via a solenoid valve. A piston, mounted within the bore, is operationally associated with a non-rotative nut which is threadably engaged by a power screw. To maximize reaction speed, a high efficiency thread is utilized between the power screw and the non-rotative nut. Therefore, pressure within the actuator can back drive the piston. To prevent backdriving of the piston there is a spring locking mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.