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:
Jul. 26, 2016

Filed:

Jun. 25, 2012
Applicants:

Carlos A. Fenny, Arlington, TX (US);

James E. Sobel, Haslet, TX (US);

Inventors:

Carlos A. Fenny, Arlington, TX (US);

James E. Sobel, Haslet, TX (US);

Assignee:

Bell Helicopter Textron Inc., Fort Worth, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/06 (2006.01); F04B 9/04 (2006.01); F04B 19/02 (2006.01); F04B 23/06 (2006.01); F04B 49/00 (2006.01); F04B 49/16 (2006.01);
U.S. Cl.
CPC ...
F04B 1/066 (2013.01); F04B 9/042 (2013.01); F04B 19/02 (2013.01); F04B 23/06 (2013.01); F04B 49/005 (2013.01); F04B 49/16 (2013.01);
Abstract

According to one embodiment, a radial fluid device comprises a cylinder block, a first plurality of pistons, a second plurality of pistons, a first cam, a second cam, and a cam rotation device. Each of the first plurality of pistons are slidably received within a different one of a first plurality of radially extending cylinders. Each of the second plurality of pistons are slidably received within a different one of a second plurality of radially extending cylinders. The first cam is disposed about the first plurality of radially extending cylinders. The second cam is disposed about the second plurality of radially extending cylinders. The cam rotation device is coupled to the first cam and the second cam. The cam rotation device is operable to rotate the first cam in a first direction and the second cam in a second direction.


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