Decompression coupling block
US9976659B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2016 |
| Grant date | May 22, 2018 |
| Priority date | — |
| Expiry date | May 26, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/60
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A decompression block assembly for coupling a source of hydraulic pressure to a hydraulically operated attachment. The assembly includes a valve body defining first and second ports that are fluidly connected to first and second couplers that are connectable to hoses of the attachment. The valve body includes a shuttle chamber having an opposed valve seats and a valve element engageable with the valve seats depending on residual pressure in fluid passages. A release member is operable to connect the shuttle valve to a drain port to discharge residual pressure in one or both fluid passages communicating with the attachment. The release member, when operated, opens a check valve in order to discharge residual pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.