作業車両 - Hitachi Construction Machinery Co., Ltd.

Title:

作業車両

Document Type and Number:

Japanese Patent JP6742260

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To improve fuel consumption by changing an engine speed according to an operation pattern in a work vehicle.SOLUTION: In a work vehicle including an engine (1), a working device (5), a traveling driving portion (10) and a control device (15), the control device includes an operation pattern determination portion (20) for determining an operation pattern of the work vehicle, a required output calculation portion (21) for calculating a required output of the engine, and an engine speed determination portion (22) for determining a rotating speed of the engine. The engine speed determination portion determines an engine rotating speed command value so that an operation point of the engine satisfies the required output, on the basis of an operation pattern detection signal from the operation pattern determination portion and the required output from the required output calculation portion, and determines the rotating speed of the engine by changing the engine rotating speed command value so that an input fuel consumption amount approaches a predetermined target fuel consumption amount.SELECTED DRAWING: Figure 6

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Inventors:

Satoru Kaneko
Noritaka Ito
Utashi Hiroshi

Application Number:

JP2017040757A

Publication Date:

August 19, 2020

Filing Date:

March 03, 2017

Export Citation:

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