Fluid flow regulator valve
US4278010A · kind A · utility
11Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1979 |
| Grant date | Jul 14, 1981 |
| Priority date | — |
| Expiry date | Jul 23, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7788
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid flow regulator valve to regulate flow to a fluid driven prime mover wherein a selectively shaped, spring biased spool is positioned within a cylinder and has a sensor orifice therein to establish a pressure drop thereacross in response to controlled fluid flow rate and hence cause the spool to move within the cylinder to control both the metering orifice to and the return orifice from the flow conduit which connects the cylinder to the prime mover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.