Sealing valve
US7735804B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2007 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Jan 9, 2029 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/184
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A sealing valve is disclosed. The valve comprises a valve seat, a power element and an elevation section. The valve seat is provided with through hole from front to rear, and the upper end of the valve seat is connected to a guiding body having a guiding slot and a directional slot. The power element is mounted at the upper end of the valve seat to control the elevating movement of the elevation section. The elevation section is downward extended to mount within a sealing element. The sealing element is driven to the through hole to seal the hole or to be driven away from the through hole, this avoid wearing within the valve seat in the course of sliding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.