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:
Mar. 12, 2024

Filed:

Jul. 16, 2020
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Akira Oka, Tokyo, JP;

Tatsuya Yamakawa, Tokyo, JP;

Yohei Nishikawa, Tokyo, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); F01N 2590/08 (2013.01); F01N 2610/105 (2013.01); F01N 2610/1406 (2013.01); F01N 2610/1486 (2013.01); F01N 2900/0422 (2013.01); F01N 2900/1811 (2013.01); F01N 2900/1814 (2013.01);
Abstract

A prediction device that predicts time for a reducing agent accommodated in a container mounted on a work vehicle to freeze includes a remaining amount information acquisition unit configured to acquire remaining amount information indicating a remaining amount of the reducing agent in the container, a wall surface temperature acquisition unit configured to acquire a detection result of a wall surface temperature of the container, a reducing agent temperature acquisition unit configured to acquire a detection result of a temperature of the reducing agent, and a time calculation unit configured to calculate the time for the reducing agent to freeze based on the wall surface temperature, the reducing agent temperature, and the remaining amount information.


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