Title:
車両用電動圧縮機
Document Type and Number:
Japanese Patent JP6439310
Kind Code:
B2
Abstract:
An electric compressor for a vehicle includes: an electric motor having a coil; an inverter device for the electric motor; a capacitor that stores energy smaller than coil energy, is connected to an input end of the inverter device, and accumulates a charge according to an operation of the electric motor; a voltage detection device for the capacitor; an abnormality determination device that determines an abnormality based on the voltage of the capacitor; and a control device that performs a reflux mode in which the inverter device is controlled to flow back a current to the coil of the electric motor in case of abnormality.
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Inventors:
Takeshi Sakai
Application Number:
JP2014157360A
Publication Date:
December 19, 2018
Filing Date:
August 01, 2014
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H02P29/024; F04B39/00; F04B49/10; H02P27/06
Domestic Patent References:
| JP2010093934A | ||||
| JP2013055822A | ||||
| JP2010288369A | ||||
| JP2010098919A | ||||
| JP2011259517A | ||||
| JP2012196725A |
Attorney, Agent or Firm:
Patent Business Corporation Kaisei Patent Office