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:
Aug. 13, 2019
Filed:
Sep. 27, 2016
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Sunil Bean, Woodridge, IL (US);
Daniel Puckett, Peoria, IL (US);
Michael Sattler, Galesburg, IL (US);
Assignee:
Caterpillar Inc., Deerfield, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 63/02 (2006.01); F02M 59/46 (2006.01); F02M 63/00 (2006.01); F16K 15/02 (2006.01); F16K 17/04 (2006.01); F16K 17/30 (2006.01);
U.S. Cl.
CPC ...
F02M 63/025 (2013.01); F02M 59/46 (2013.01); F02M 63/005 (2013.01); F02M 63/0245 (2013.01); F16K 15/025 (2013.01); F16K 17/048 (2013.01); F16K 17/30 (2013.01); F02M 2200/04 (2013.01);
Abstract
A pressurized fuel system for an engine includes a fuel pump in a pump protection device structured to drain pressurized fuel from a common rail to provide fuel flow through the fuel pump that limits cavitation. The device includes a valve mechanism having a first valve and a second valve that are movable to an open position and a closed position respectively, in response to valve opening and valve closing rail pressures. The active pressure range of the device may be a medium pressure range.