The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 15, 2018
Filed:
Dec. 20, 2012
Pfeiffer Vacuum Gmbh, Asslar, DE;
Thibaut Bourrilhon, Trevignin, FR;
Rainer Mathes, Saint Julien en Genevois, FR;
Nicolas Varennes, Brison Saint Innocent, FR;
Pfeiffer Vacuum GmbH, Asslar, DE;
Abstract
The invention relates to an adapter for vacuum pumps, characterized in that it comprises an annular inlet flange () intended to be coupled to an outlet orifice of a chamber and an outlet coupling () comprising at least two cylindrical outlet through-housings () and forming an at least partial pump casing for the case () of a respective turbomolecular vacuum pump (), said turbomolecular vacuum pumps () being intended to be received in a respective cylindrical outlet housing (). The invention also relates to a pumping device, characterized in that it comprises an adapter for vacuum pumps () as described hereinabove and at least two turbomolecular vacuum pumps () housed at least partially in a respective cylindrical outlet housing ().