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:
Jan. 08, 2019
Filed:
Dec. 02, 2015
Applicant:
S-ram Dynamics, Franklin, TN (US);
Inventors:
Ricardo Conde, New Salem, MA (US);
Richard Kruse, Fort Calhoun, NE (US);
Lee Jestings, Franklin, TN (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/16 (2006.01); F04B 1/12 (2006.01); F04B 1/14 (2006.01); F04B 27/10 (2006.01);
U.S. Cl.
CPC ...
F04B 1/16 (2013.01); F04B 1/122 (2013.01); F04B 1/146 (2013.01); F04B 1/148 (2013.01); F04B 27/109 (2013.01); F04B 27/1036 (2013.01); F04B 27/1054 (2013.01); F04B 27/1063 (2013.01); F04B 27/1072 (2013.01);
Abstract
A piston drive assembly, including: a housing enclosing each of: a plurality of cylinders, each cylinder having an axis substantially parallel to the axis of the other cylinders; a plurality of pistons, one piston in each cylinder; a wobble plate connected to each of the plurality of pistons; a swashplate rotatably fixed to a drive shaft such that the drive shaft can rotate the swash plate or the swash plate can rotate the drive shaft, wherein the drive shaft extends through the entire length of the housing.