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:
Mar. 13, 2018
Filed:
Mar. 26, 2015
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Dana R. Coldren, Secor, IL (US);
Joshua W. Steffen, El Paso, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 23/14 (2006.01); F04D 13/06 (2006.01); F04B 17/03 (2006.01); F04D 7/02 (2006.01); F04D 13/12 (2006.01); F04B 23/02 (2006.01); F04B 23/10 (2006.01); F04B 15/08 (2006.01);
U.S. Cl.
CPC ...
F04B 17/03 (2013.01); F04B 15/08 (2013.01); F04B 23/021 (2013.01); F04B 23/106 (2013.01); F04D 7/02 (2013.01); F04D 13/06 (2013.01); F04D 13/12 (2013.01); F04B 2015/081 (2013.01);
Abstract
A pump system is disclosed for use with a fuel system of an engine. The pump system may have a first pump with a first end, a second end, a reservoir located at the second end, and at least one pump mechanism configured to receive fluid from the reservoir. The pump system may also have a second pump mounted to the first pump at the second end and having at least one pump mechanism configured to discharge fluid into the reservoir of the first pump. The pump system may further have a mechanical input operatively connected to the at least one pump mechanism of each of the first and second pumps.