Patent · US Active

Vacuum pump

US8740589B2 · kind B2 · utility

1Cited by

6References

8Claims

0Family size

Assignee

Joma-Polytec GmbH · DE

Inventors

Bernd Hess · Leverkusen, DE
Willi Schneider · Bodelshausen, DE

Key dates

Filing date	Jul 24, 2009
Grant date	Jun 3, 2014
Priority date	—
Expiry date	Mar 26, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2240/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a vacuum pump, in particular a vane cell pump, having a housing in which a suction space is provided, and a housing passage opening into the suction space, wherein a suction non-return valve opening to the outside or into an external vacuum space is arranged in the housing passage, said valve being accommodated in a crucible-shaped housing and the crucible-shaped housing having a housing jacket, wherein the suction non-return valve can be latched in the pump housing passage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.