Inline pressure regulating valve assembly with inlet pressure bias
US9849992B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 23, 2016 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Dec 28, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2220/323
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An assembly includes a first enclosed flexible pressure chamber. A first extension arm extends from a first endwall of the first enclosed flexible pressure chamber. A second enclosed flexible pressure chamber includes a second extension arm extending from a second endwall of the second enclosed flexible pressure chamber. A lever arm is disposed on a pivot. A first end of the lever arm is attached to the first extension arm and a second end of the lever arm is attached to the second extension arm. A variable restriction element is connected to the second end of the lever arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.