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:
Jul. 11, 2017
Filed:
Nov. 16, 2011
Applicants:
Hugo Vogelsang, Essen, DE;
Paul Krampe, Essen, DE;
Inventors:
Hugo Vogelsang, Essen, DE;
Paul Krampe, Essen, DE;
Assignee:
Hugo Vogelsang Maschinenbau GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F04C 18/12 (2006.01); F04C 2/08 (2006.01); F04C 2/12 (2006.01);
U.S. Cl.
CPC ...
F04C 18/12 (2013.01); F04C 2/086 (2013.01); F04C 2/126 (2013.01); F04C 2250/30 (2013.01);
Abstract
The invention relates to a rotary lobe pump for conveying a fluid medium containing solids, comprising an inlet and an outlet for the medium being conveyed, and further comprising a pump casing and two rotary lobes arranged in said pump casing and having intermeshing rotary lobe vanes. According to the invention, the pump casing has two opposite casing half-shells which seal the pump casing fluid-tightly. The casing half-shells are double-walled.