Sealed fluid reservoir for brake master cylinders
US4198824A · kind A · utility
6Cited by
3References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 24, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Feb 24, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60T17/225
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A resilient seal cap is coupled over an upper opening of a reservoir casing to define an interior air space with the upper surface of brake fluid in the casing. The seal cap is formed integral with a first annular lip co-operating with the inner wall of the casing to provide an inlet check valve permitting the flow of air into the interior air space and with a second annular lip co-operating with a valve plate secured to the center of the casing to provide an outlet check valve permitting the flow of air out from the interior air space to the exterior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.