Device to reduce noise in pressure regulators
US7418973B2 · kind B2 · utility
1Cited by
18References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 8, 2005 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Aug 30, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7821
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A pressure regulator comprising a body portion having an inlet port, an outlet port, and a flow passage positioned therebetween is provided. A valve member and a valve seat are positioned in the flow passage. A spring is coupled to the valve member to urge the valve member along an axis towards the valve seat, wherein the flow passage is substantially closed when the valve member engages with the valve seat. The spring has an extended segment in contact with a fixed surface, whereby the extended segment restricts displacement of the spring in a direction substantially perpendicular to the axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.