Valve structure with elastic anti-leakage member
US10816098B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Jan 18, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K5/045
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve structure with an elastic anti-leakage member includes a spool, a seat, and a switch. The spool body has at least one inner notch formed on the side of the spool body, and the inner notch has at least one elastic anti-leakage member installed in the inner notch. The spool is contained inside the seat, and the elastic anti-leakage member is located in the inner chamber of the inner notch and has a surface elastically abutting the internal cavity wall of the inner chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.