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:
Sep. 10, 2019

Filed:

Jun. 03, 2016
Applicant:

Regents of the University of Minnesota, Minneapolis, MN (US);

Inventors:

James Donald Van de Ven, Long Lake, MN (US);

Shawn Richard Wilhelm, Minneapolis, MN (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04B 9/04 (2006.01); F16H 37/12 (2006.01); F04B 49/12 (2006.01);
U.S. Cl.
CPC ...
F16H 37/124 (2013.01); F04B 9/042 (2013.01); F04B 49/125 (2013.01); F05B 2250/42 (2013.01);
Abstract

A variable displacement linkage mechanism includes a slider mechanism, a cam, a connecting link, a rocker link, and a cam follower. The connecting link is coupled to the slider through a first revolute joint. The rocker link includes a rocker end and a ground end. The rocker end is coupled to the connection link through a second revolute joint, and the ground end is coupled to ground through a third revolute joint. The cam follower is coupled to the connecting link and engages the cam. A location of the third revolute joint is adjustable relative to the first revolute joint.


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