Rotary valve
US6676109B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 14, 2003 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Apr 14, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/45
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rotary valve includes a main valve body that includes a body, a seat disposed in the body and a valve body disposed in the body so that the valve body is rotatable through the seat that are modulated as a common component part. A stem pierces the body and imparts opening and closing motions to the valve body. An attaching-detaching part is disposed at a position at which the stem pierces the body. An operating part is disposed on the stem and is adapted to operate the valve body. A coupling part is detachably fastened at one end thereof to the attaching-detaching part and is mounted at the other end thereof on the operating part for joining the attaching-detaching part and the operating part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.