Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CAPACITANCE DETECTION DEVICE AND POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/042809
Kind Code:
A1
Abstract:
This capacitance detection device is provided with an electrode pair comprising a pair of electrodes disposed inside a compressor for compressing refrigerant, a capacitor connected in series with the electrode pair, an inverter that drives the compressor and has one of the power lines for driving the compressor connected to one end of the series connection between the electrode pair and capacitor, and a voltage detection unit for measuring the voltage between the electrodes of the electrode pair.

Inventors:
TAMIDA TAICHIRO (JP)
INOUE TAKAHIRO (JP)
HASHIMOTO TAKASHI (JP)
IWATA AKIHIKO (JP)
KOYAMA SHUHEI (JP)
KOBAYASHI TAKAHIKO (JP)
Application Number:
PCT/JP2017/021348
Publication Date:
March 08, 2018
Filing Date:
June 08, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01N27/22; G01R27/26; G01F23/26
Domestic Patent References:
WO2014188566A12014-11-27
Foreign References:
JPH09113476A1997-05-02
JPS57198874A1982-12-06
JPH0996618A1997-04-08
JPH02291484A1990-12-03
Other References:
See also references of EP 3505920A4
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Download PDF: