Work Machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20240352710A1
SERIAL NO

18685547

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An object of the present invention is to provide a work machine that makes it possible to perform, with a simple configuration, speed control of respective actuators and thrust control of a particular actuator that regenerates the flow of a return fluid, at the time of combined operation to simultaneously drive the particular actuator and another actuator. For this purpose, a controller calculates a target thrust that is a target value of a thrust of the particular actuator on the basis of an input amount of an operation device and an output value of a posture sensor, calculates a target meter-out pressure that is a target value of a meter-out pressure of the particular actuator on the basis of the target thrust and a meter-in pressure of the particular actuator, and calculates a regeneration control valve target opening area that is a target value of an opening area of a regeneration control valve on the basis of the target meter-out pressure and the meter-out pressure of the particular actuator.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HITACHI CONSTRUCTION MACHINERY CO LTDJAPAN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AMANO, Hiroaki Tsukuba-shi, JP 32 82
CHIBA, Takaaki Kasumigaura-shi, JP 28 45
IMURA, Shinya Toride-shi, JP 129 710
KUMAGAI, Kento Inashiki-Gun, Ami-Machi, JP 18 31
NARAZAKI, Akihiro Tsukuba-shi, JP 37 108
NISHIKAWA, Shinji Kasumigaura-shi, JP 84 693
TSURUGA, Yasutaka Ryugasaki-shi, JP 68 327
YAMAMOTO, Shinjirou Inashiki-Gun, Ami-Machi, JP 5 0

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