Pinch valve
US7775501B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2007 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Nov 5, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K7/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A pinch valve has a hose-like valve member with a flexible peripheral wall adjacent to whose outer periphery two diametrally opposite pinch elements are arranged able to be moved toward and away from one another with a greater or lesser pinching of the peripheral wall while performing an operating movement athwart the valve member longitudinal axis. An annular actuating ring coaxially surrounding the valve member may act on the pinch elements for causing the operating movement. The actuating ring is placed in a working space surrounded radially from the outside by a peripheral valve housing wall and is able to be acted on by drive means separate from the actuating ring with a drive force controlling the actuating movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.