Valve assembly having improved rotational feel
US9086155B2 · kind B2 · utility
0Cited by
42References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2012 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Nov 28, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/9464
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve assembly is provided. The valve assembly includes a valve housing having an internal generally cup-shaped bore, a valve control cartridge inserted into the bore and having a rotatable control stem extending upwardly therefrom, and a bonnet nut threaded to an internal wall of the valve housing. The bonnet nut has a through channel that surrounds the control stem, and means are provided along the through channel to control a level of resistance to rotation of stem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.