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:
Jun. 12, 2018
Filed:
Mar. 28, 2014
Applicant:
Pfeiffer Vacuum Gmbh, Asslar, DE;
Inventors:
Assignee:
PFEIFFER VACUUM GMBH, Asslar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/16 (2006.01); F04D 29/08 (2006.01); F04D 29/52 (2006.01); F04D 19/04 (2006.01); F16L 23/16 (2006.01); F04D 29/02 (2006.01);
U.S. Cl.
CPC ...
F04D 29/16 (2013.01); F04D 19/04 (2013.01); F04D 29/083 (2013.01); F04D 29/522 (2013.01); F16L 23/16 (2013.01); F04D 29/023 (2013.01); F05D 2300/171 (2013.01); F05D 2300/43 (2013.01);
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.