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:
Apr. 09, 2019
Filed:
Sep. 24, 2015
Applicant:
Caterpillar Sarl, Geneva, CH;
Inventors:
Naoto Funabiki, Tokyo, JP;
Matthew James Beschorner, Plainfield, IL (US);
Assignee:
Caterpillar SARL, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/26 (2006.01); E02F 9/22 (2006.01); F15B 19/00 (2006.01);
U.S. Cl.
CPC ...
E02F 9/267 (2013.01); E02F 9/226 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); F15B 19/005 (2013.01);
Abstract
This invention provides to set plural test patterns in which two or more control valves are picked up from the plural control valves as diagnosis target, and there being installed a malfunction diagnosis means () in which the diagnosis of malfunctioned valve is applied to the test patterns as unit, and malfunction valve identification means () in which the malfunctioned valves are identified by checking the control valves one another, that control valves are included in the test patterns having been diagnosed whether malfunction exists or not by the malfunction diagnosis means ().