Fill valve apparatus
US9279502B2 · kind B2 · utility
1Cited by
28References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Sep 5, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D7/00
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A first valve member has an axis and a first seat surface with a tapered contour facing axially downstream. A second valve member has a second seat surface with a tapered contour facing axially upstream. The second valve member has a closed position in which the second seat surface abuts the first seat surface, and has an open position in which the second seat surface is spaced axially downstream from the first seat surface. The second valve member further has a terminal end portion configured as a nose cone. The nose cone may be located entirely downstream of the second seat surface, and may have a cavity with a drain opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.