Patent · US Active

Vacuum system

US9995309B2 · kind B2 · utility

0Cited by

2References

12Claims

0Family size

Assignee

PFEIFFER VACUUM · FR

Inventors

Tobias Stoll · Steffenberg, DE
Robert Watz · Weilburg, DE
Michael Schweighoefer · Schönberg (Holstein), DE

Key dates

Filing date	Mar 28, 2014
Grant date	Jun 12, 2018
Priority date	—
Expiry date	May 26, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/43
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A vacuum pump includes at least one vacuum port for releasably connecting the vacuum pump with at least one recipient an elastomeric seal for sealing the vacuum port against atmosphere a diaphragm gland provided on a vacuum side of the vacuum port and at least one of at least one suction channel and at least one suction opening provided between the elastomeric seal and the diaphragm gland.

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