Co-axial valve apparatus
US9726440B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2014 |
| Grant date | Aug 8, 2017 |
| Priority date | — |
| Expiry date | Apr 21, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28D2021/008
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A valve apparatus having a co-axial fluid inlet and outlet is disclosed. The valve apparatus comprises a housing having a generally tapering main cavity. The valve apparatus further comprises a first fluid inlet formed therein for receiving fluid from a source, a first fluid outlet for returning the fluid to the source, a second fluid outlet for discharging fluid from the housing and a second fluid inlet for receiving fluid and returning the fluid to the fluid source. A valve mechanism is slidingly mounted within a first valve chamber for controlling flow from the first fluid inlet to the second fluid outlet, the valve mechanism having a first position wherein a second valve chamber is in communication with the first valve chamber and the first fluid outlet, and a second position wherein a third valve chamber is in fluid communication with the first valve chamber and the second fluid outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.