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. 05, 2012

Filed:

Jul. 24, 2007
Applicants:

Michael Landrum, Rockford, IL (US);

Douglas Miller, New Berlin, WI (US);

Donald E. Blackman, Tinley Park, IL (US);

James M. Heim, Rockford, IL (US);

Inventors:

Michael Landrum, Rockford, IL (US);

Douglas Miller, New Berlin, WI (US);

Donald E. Blackman, Tinley Park, IL (US);

James M. Heim, Rockford, IL (US);

Assignee:

SPX Corporation, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/04 (2006.01); F01B 1/02 (2006.01); F16J 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A pump that includes a piston moveable along a first axis and an eccentric cam positioned about a second axis, wherein the second axis is substantially perpendicular to the first axis. The pump also includes an actuator positioned adjacent to the cam and configured to move the cam along the second axis. In addition, the pump further includes a cam-adjacent bearing positioned between the piston and the cam, wherein the cam-adjacent bearing remains positioned substantially along the first axis upon movement of the cam along the second axis.


Find Patent Forward Citations

Loading…