Construction machine
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United States of America Patent
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Jun 25, 2024
Grant Date -
Sep 15, 2022
app pub date -
Mar 26, 2020
filing date -
Mar 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
It is made possible to perform power reduction control during non-operation of control levers, and suppress power consumption of a power source when a control lever is moved by an erroneous operation, and thus reduce energy consumption. Accordingly, a controller 50 performs the power reduction control when a non-operation time exceeds a set time after a transition is made from a state in which at least one control lever is operated to a non-operation state in which none of the control levers is operated, and the controller 50 cancels the power reduction control when at least one control lever is operated in a state in which the power reduction control is performed. In addition, the set time is set as a first set time Tth1 when an operation time until at least one of levers 14 and 34 makes a transition to the non-operation state is longer than a monitoring time Tth0, and the set time is set as a second set time Tth2 shorter than the first set time Tth1 when the operation time until the at least one control lever makes a transition to the non-operation state is shorter than the monitoring time Tth0.
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