Hollow cylindrical capacitor and inverter device
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United States of America Patent
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-
Aug 9, 2016
Grant Date -
Feb 12, 2015
app pub date -
Feb 27, 2013
filing date -
Mar 22, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The hollow tubular capacitor includes one side electrode connecting portion having an inner peripheral tubular portion and one side surface portion, the other side electrode connecting portion having an outer peripheral tubular portion and the other side surface portion and an electrostatic capacitance portion having one side electrode plate, the other side electrode plate and a dielectric body, wherein the electrostatic capacitance portion is accommodated in an annular space formed at the inner peripheral tubular portion, the one side surface portion, the outer peripheral tubular portion and the other side surface portion in a high density to reduce inside inductance component. The inverter device is formed such that the hollow tubular capacitor and an annular inverter circuit portion having three-phase upper and lower arms are integrally arranged coaxially on the central axis line.
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