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:
Aug. 12, 2014

Filed:

Oct. 18, 2012
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Hayato Matsumoto, Hiratsuka, JP;

Hiroshi Sawada, Neyagawa, JP;

Kazuyoshi Morimoto, Hirakata, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a crawler construction machine including an engine and a fuel adjustment dial that adjusts a speed of the engine according to operation loads of the working equipment, the fuel adjustment dial is a rotary notchless dial that is continuously variably adjustable. The crawler construction machine includes: an adjustment position detector that detects a rotation adjustment position of the fuel adjustment dial; an engine controller that is connected to the adjustment position detector and controls the speed of the engine based on an adjustment position of the fuel adjustment dial; and a display device that is connected to the engine controller and displays on a screen a percentage value of the adjustment position of the fuel adjustment dial in which the maximum rotation position of the fuel adjustment dial is defined as 100%.


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