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:
Dec. 22, 2015
Filed:
Mar. 20, 2013
Applicant:
Mahle International Gmbh, Stuttgart, DE;
Inventors:
Andre Maeder, Hildburghausen, DE;
Eike Stitterich, Aschersleben, DE;
Assignee:
Mahle International GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04C 2/348 (2006.01); F04C 14/22 (2006.01); F01C 21/08 (2006.01); F04C 2/332 (2006.01); F04C 2/324 (2006.01);
U.S. Cl.
CPC ...
F04C 14/22 (2013.01); F01C 21/0809 (2013.01); F04C 2/332 (2013.01); F04C 2/348 (2013.01); F04C 2/324 (2013.01); F04C 2250/20 (2013.01);
Abstract
A pendulum-slide pump may include a rotatingly mounted inner rotor connected via at least one pendulum with an outer rotor. The inner rotor may define a plurality of radial grooves configured to receive the pendulum. The grooves may have two groove walls that continues via a rounded region into a shared groove base. The rounded region may have variable groove radii and continue with at least a reduced curvature jump into the groove base or the groove walls. The groove radii may be greated in the translation to the groove walls and to the groove base than therbetween.