Valve with canted seals
US8813783B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 28, 2011 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Oct 16, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86566
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve (103) is provided. The valve (103) comprises a housing (104) defining an internal bore (209) and a plurality of fluid ports (107a, 107b, 108a, 108b). The valve (103) further comprises a rotatable spool (210) positioned within the internal bore (209) and rotatable about a longitudinal axis (X-X). A first canted seal (217) is provided that is positioned on the rotatable spool (210) at an angle (θ) with respect to the longitudinal axis (X-X). A second canted seal (218) is also provided that is positioned on the rotatable spool (210) at an angle (α) with respect to the longitudinal axis (X-X).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.