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:
Aug. 15, 2017
Filed:
Sep. 08, 2010
Applicant:
Paul Krampe, Essen/Olbg, DE;
Inventor:
Paul Krampe, Essen/Olbg, DE;
Assignee:
Hugo Vogelsang Maschinenbau GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 2/12 (2006.01); F04C 2/08 (2006.01); F04C 13/00 (2006.01);
U.S. Cl.
CPC ...
F04C 2/126 (2013.01); F04C 2/086 (2013.01); F04C 13/001 (2013.01); F04C 2210/24 (2013.01); F04C 2250/102 (2013.01);
Abstract
Embodiments provide a rotary lobe pump for conveying a fluid medium containing solids. Two rotary lobes have rotational axes that are spaced apart from each other a minimum length distance. A housing enclosing the two rotary lobes has an inlet opening and an outlet opening, each with a continuously decreasing convergence and defined lengths.