Dual-circuit master cylinder having auxiliary piston and yoke with equalization chambers for hydraulic equalization
US4631924A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1984 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Jun 8, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T11/203
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A dual-circuit master cylinder having hydraulic equalization is disclosed including a casing having two parallel bores and elongated pistons defining two power chambers in the casing connected to wheel brakes, a yoke including two blind bores receiving extending portion of the pistons defining two equalization chambers, an auxiliary piston operatively connected to the yoke, and a brake actuating member defining an auxiliary chamber connected to a supply reservoir via a check valve for supplying equal pressurized fluid to the equalization chambers upon movement of the auxiliary piston and yoke to displace the power pistons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.