Title:
DIAGNOSTIC METHOD FOR MOTOR
Document Type and Number:
WIPO Patent Application WO/2012/121201
Kind Code:
A1
Abstract:
A diagnostic device and a diagnostic method for an electric vehicle drive motor, the diagnostic device being provided with a detection means (37) for oil deterioration and the like for detecting, when the vehicle has been started but is not being driven, at least one of the following detection items: the contamination level, deterioration level, and oil level of the oil for cooling a motor (6) or a decelerator (7). The diagnostic device is further provided with an abnormality-detected-time control means (40) for outputting an abnormality in the oil supply system or not permitting startup of revolutions of the motor (6) when the detection value detected by the detection means (37) for oil deterioration and the like falls outside of a set range.
Inventors:
OZAKI TAKAYOSHI (JP)
Application Number:
PCT/JP2012/055535
Publication Date:
September 13, 2012
Filing Date:
March 05, 2012
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
OZAKI TAKAYOSHI (JP)
OZAKI TAKAYOSHI (JP)
International Classes:
F16H57/04; B60K7/00; B60L3/00; F16H1/32; H02K9/24; H02K11/00
Foreign References:
| JP2006248417A | 2006-09-21 | |||
| JP2007231847A | 2007-09-13 | |||
| JP2009198341A | 2009-09-03 | |||
| JP2006299827A | 2006-11-02 | |||
| JP2009040162A | 2009-02-26 | |||
| JP2008168790A | 2008-07-24 | |||
| JP2008168790A | 2008-07-24 |
Other References:
See also references of EP 2685133A4
Attorney, Agent or Firm:
SUGIMOTO, Shuji et al. (JP)
Shuji Sugimoto (JP)
Shuji Sugimoto (JP)
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Claims:
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