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:
Jun. 28, 2011
Filed:
Sep. 11, 2008
Applicants:
Russell Peters, Ames, IA (US);
Jamie Welker, Altoona, IA (US);
Inventors:
Russell Peters, Ames, IA (US);
Jamie Welker, Altoona, IA (US);
Assignee:
Sauer-Danfoss Inc., Ames, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 15/00 (2006.01); F04B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A variable displacement bent axis unit comprising a housing and a yoke pivotally disposed therein wherein the yoke has a cam member attached thereto. A control mechanism that changes the displacement of the unit has a control valve disposed therein that engages the cam member. The cam member itself has a non-linear feedback profile such that the feedback profile provides a linearized speed ratio.