Valve arrangement for a vacuum pump
US7036792B2 · kind B2 · utility
0Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2003 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Jan 22, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K17/0493
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A valve arrangement for a vacuum pump includes a valve head displaceable substantially perpendicular to a flow direction of a fluid through the valve arrangement, a valve seat, and a valve spring for biasing the valve head into a flat abutment engagement with the valve seat, with the valve spring being formed of at least one substantially hollow body made of an elastomeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.