Scroll type booster
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 22, 2014
Grant Date -
Dec 18, 2008
app pub date -
May 30, 2008
filing date -
May 31, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electromagnetic valve, which is provided between an intake port of a compressor body and a pneumatic line at an intermediate position of an intake pipe, is opened/closed by a control unit. Communication between the intake port of the compressor body and the pneumatic line is permitted when the valve is open, and is blocked when the valve is closed. In a start-up control of the compressor body, the electromagnetic valve is opened, permitting communication of the pneumatic line in the plant with the intake port of the compressor body for power supply to an electric motor to drive an orbiting scroll. Rattling of the orbiting scroll by an amount equal to the axial gap (play) is suppressed before starting a compression operation.
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