Control valve
US9273787B2 · kind B2 · utility
2Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2015 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Jan 7, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/88054
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A control valve for controlling liquid flow in a heating and/or cooling installation under command from an actuator within a range defined by a manually preset maximum. The control valve includes differential pressure regulating facilities and flow area regulating facilities. The control valve is provided with means for manually presetting a maximum flow through area and with means for automatically adjusting the flow area through area within the preset maximum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.