Tilting disc check valve
US10107405B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 4, 2014 |
| Grant date | Oct 23, 2018 |
| Priority date | — |
| Expiry date | Jul 4, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7841
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention discloses a tilting disc check valve, which includes a left valve body (1), a right valve body (2), a large valve plate (3), a small valve plate (4) and a diaphragm control group (5), wherein the left valve body (1) and the right valve body (2) are butted into a whole through oblique openings; the oblique openings are inclined in a manner that upper parts are inclined towards the right valve body (2); the diaphragm control group (5) is arranged on the left valve body (1); the large valve plate (3) is arranged along the oblique openings; the large valve plate (3) is positioned in a valve cavity formed by the left valve body (1) and the right valve body (2); the large valve plate (3) is suspended on shaft holes of the left valve body (3) through valve shafts (6); the small valve plate (4) is connected with the diaphragm control group (5); and the small valve plate (4) is mounted at a slow closing valve port of the large valve plate (3) through a small valve plate pin shaft (7). According to the tilting disc check valve, a two-stage valve closing process where the large valve plate is quickly closed and the small valve plate at a drain hole of the large valve plate is sl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.