Wheel loader

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11505921
APP PUB NO 20200248436A1
SERIAL NO

16641735

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A wheel loader configured to reduce the traveling distance required for a raise and run operation, and reduce fuel consumption includes: an engine 3; a torque converter 41; a forward and reverse switch 62; a stepping amount sensor 610; an operation amount sensor 73; and a controller 5. The controller 5 determines whether a specific condition for specifying an operation of the lift arm 21 in an upper direction during forward travel of the vehicle body, on the basis of a forward and reverse switching signal, the stepping amount on the accelerator pedal 61, and a pilot pressure Ti pertaining to the lifting operation amount for the lift arm 21. When the specific condition is satisfied, the vehicle speed is limited by reducing the maximum rotational speed of the engine 3 in response to increase in the pilot pressure Ti.

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First Claim

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Patent Owner(s)

  • HITACHI CONSTRUCTION MACHINERY CO., LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aoki, Isamu Tsukuba, JP 38 134
Hyodo, Koji Kasumigaura, JP 57 333
Shimazaki, Koji Akashi, JP 7 29
Suzuki, Hironao Ushiku, JP 3 11
Tanaka, Tetsuji Abiko, JP 103 765

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