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:
Jan. 02, 2018

Filed:

Feb. 28, 2014
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Takehiro Shibata, Oiso-machi, JP;

Tsuyoshi Tanaka, Fujisawa, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/18 (2006.01); E02F 9/26 (2006.01); F01N 11/00 (2006.01); F01N 3/08 (2006.01); F02D 41/22 (2006.01);
U.S. Cl.
CPC ...
G01N 33/18 (2013.01); E02F 9/26 (2013.01); F01N 3/0807 (2013.01); F01N 11/00 (2013.01); F01N 2550/05 (2013.01); F01N 2610/02 (2013.01); F01N 2900/1814 (2013.01); F02D 2041/228 (2013.01); Y02T 10/47 (2013.01);
Abstract

A urea water supply guidance output device for a working vehicle includes: a urea water residual amount detection unit configured to detect a urea water residual amount in a urea water tank; an operation time measurement unit configured to measure an operation time of the working vehicle; a unit urea water consumption amount calculation unit configured to calculate a unit urea water consumption amount for each predetermined unit operation time; a urea water remaining time calculation unit configured to calculate an average urea water consumption amount and to calculate a urea water remaining time indicating a time to generation of urea water supply alarm; and an output processing unit configured to output guidance including the urea water remaining time when the urea water remaining time is a predetermined time or less.


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