INTEGRATED-INVERTER ELECTRIC COMPRESSOR
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United States of America Patent
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Issued Date -
Nov 7, 2013
app pub date -
Nov 7, 2011
filing date -
Feb 22, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An object is to provide an integrated-inverter electric compressor with which it is possible to reduce electromagnetic radiation noise, it is also possible to reduce the amount of external current leakage, and, additionally, even the amount of external current flow from an earth wire, and, moreover, it is possible to reduce the size, weight, and cost of a noise-reduction circuit. In an integrated-inverter electric compressor (1) in which an inverter (5) that controls power to be applied to an electric motor (3) is integrally installed in a housing (2) that contains, inside thereof, a compression mechanism and the electric motor (3) that drives the compression mechanism, impedances (Z) having the same capacitance are individually inserted and connected between the housing (2), which is chassis-grounded and into which harmonic currents from the inverter (5) and the electric motor (3) flow, and PN lines (7) that supply power from a power source to the inverter (5).
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