Air compressor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 13, 2016
Grant Date -
Jul 3, 2014
app pub date -
Aug 28, 2012
filing date -
Sep 22, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An air compressor comprising: a tank (50), a compression mechanism (30), a motor (5) and a control circuit (7). The control circuit (7) includes a CPU (70) and a storing unit (74) which stores a control program, the compressor operation history and a plurality of operation modes. Each of the operation modes is defined by two setting values: a reference restart pressure value and a motor rotational speed value, at least one of these values being different from among the plurality of modes. The control circuit (7) executes one of the plurality of modes as a target mode in which the control unit controls the motor to restart by comparing the pressure in the tank with the reference restart pressure and rotates the motor at the rotational speed of the target mode. The control circuit changes the target mode from the one of the plurality of modes to another one of the plurality of modes based on the compressor operation history.
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