MOTOR DRIVING DEVICE FOR FORKLIFTS AND FORKLIFT USING SAME

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United States of America Patent

SERIAL NO

14567603

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A motor drive apparatus, mounted to a forklift and controlling at least one motor configured to rotate a drive wheel of the forklift, based on a speed command value indicative of a target speed of the forklift, includes a turn speed limit unit in which a speed limit curve configured to stipulate an upper limit value of a speed of the forklift is defined as a function of a turning angle of the forklift such that an angular velocity with respect to a center of rotation of the forklift does not exceed a threshold value, the turn speed limit unit being configured to limit the speed command value to be equal to or less than an upper limit value determined according to the speed limit curve and the turning angle, and a drive unit configured to drive the at least one motor according to the speed command value.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO HEAVY INDUSTRIES LTD1-1 OSAKI 2-CHOME SHINAGAWA-KU TOKYO 141-6025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Itoh, Takumi Kanagawa, JP 18 247
Kubo, Kohei Kanagawa, JP 9 65
Okada, Junichi Kanagawa, JP 65 567

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