Rotatable value spool for a manifold
US10865893B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2017 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Mar 29, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/4061
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A rotatable valve spool for a spool valve manifold. The rotatable valve spool having a longitudinal axis along its length, a cylindrical body, a first end, and a second end. A first angled seal, a second angled seal, an optional central seal, and an outer seal each disposed on the cylindrical body with the optional central seal disposed between the first and second angled seals and the outer seal disposed between the second angled seal and the second end. A first flow port in the cylindrical body disposed outboard of the first angled seal between the first angled seal and the first end or disposed in the first end, and a second flow port disposed outboard of the second angled seal between the second angled seal and the outer seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.