Gate valve with track cleanout
US9140368B2 · kind B2 · utility
4Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Sep 13, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/4273
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Methods, systems, and apparatus for a gate valve include a valve body having an inner surface and an outer surface, the inner surface and the outer surface defining an inlet, an outlet, and a fluid path therebetween, a track defined in the inner surface, the track defining a bottom surface; a gate having a wing; a scraper having a leading edge, the scraper mounted to the wing of the gate; a biasing element, the biasing element biasing the leading edge of the scraper against the bottom surface of the track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.