Dual path hydraulic coupling
US7159616B2 · kind B2 · utility
20Cited by
16References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 2005 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Nov 14, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87965
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A female hydraulic coupling member is disclosed which comprises a first flow port; a second flow port; a third flow port in fluid communication with both the first flow port and the second flow port; a first poppet valve for opening and closing the first flow port; and a second poppet valve for opening and closing the second flow port, the second poppet valve being connected to the first poppet valve such that the second poppet valve moves to the closed position when the first poppet valve is open and moves to the open position when the first poppet valve is closed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.