Butterfly type two-way check valve for an automatic transmission
US5941270A · kind A · utility
14Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1997 |
| Grant date | Aug 24, 1999 |
| Priority date | — |
| Expiry date | Nov 20, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7846
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An improved two-way check valve for controlling the flow of fluid to an element from either one of a pair of hydraulic sources in a hydraulic automatic transmission, the check valve having a flow cavity in which a pivotal flapper valve is mounted so as to alternately cover one of two inlet openings to the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.