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.

Date of Patent:
Jun. 20, 2017

Filed:

Apr. 29, 2015
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Guido Bredenfeld, Marbach, DE;

Markus Stahl, Schwarzenbruck, DE;

Christoph Cholewa, Cadolzburg, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03C 2/00 (2006.01); F03C 4/00 (2006.01); F04C 2/00 (2006.01); F04C 2/08 (2006.01); F04C 15/00 (2006.01); F04C 18/08 (2006.01); F04C 2/18 (2006.01);
U.S. Cl.
CPC ...
F04C 2/084 (2013.01); F04C 2/086 (2013.01); F04C 2/18 (2013.01); F04C 15/0026 (2013.01); F04C 15/0065 (2013.01); F04C 18/082 (2013.01); F04C 2230/602 (2013.01); F04C 2240/50 (2013.01); F04C 2240/56 (2013.01);
Abstract

A gear machine comprises a housing, at least two gearwheels positioned within the housing, and a bearing body defining a circular-cylindrical outer surface segment and a bearing bore. The at least two gearwheels configured to mesh in external engagement with each other. At least one of the gearwheels includes at least one bearing journal rotatably positioned within the bearing bore. The bearing body is positioned within the housing with the circular-cylindrical outer surface segment engaging a corresponding bearing surface defined on the inside of the housing. Each of the at least two gearwheels includes a plurality of tooth tips configured to engage a corresponding sealing surface defined on the inside of the housing. At least one segment of at least one of the sealing surface and the bearing bore is eccentric with respect to the circular-cylindrical outer surface segment of the bearing body. A method of production is also provided.


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