Patent · US Active

Vacuum pump with connection nipple for connection between a rotor shaft and a drive

US8794942B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

Joma-Polytec GmbH · DE

Inventors

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

Key dates

Filing date	Jul 14, 2010
Grant date	Aug 5, 2014
Priority date	—
Expiry date	Oct 18, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04C2240/60
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a vacuum pump comprising a cup-shaped housing, a rotor eccentrically mounted for rotation in the housing, and a housing cover closing the cup-shaped housing, wherein the rotor has a rotor shaft that passes through the cup-shaped housing and by which the rotor is driven, wherein the rotor shaft is provided with a bore for delivering a lubricant, and a connection nipple is seated in the free end section of the bore.

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