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Title:
DIAGNOSTIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/068920
Kind Code:
A1
Abstract:
An ECU (10) that is a diagnostic device comprises an information acquisition unit (12) that acquires the flow rate of a fluid flowing through an intake pipe (21), and a diagnostic unit (15) that diagnoses a connection defect of a second purge pipe (46), said second purge pipe (46) being a fuel gas pipe. The diagnostic unit (15) performs the diagnosis on the basis of the size of a flow rate pulse acquired by the information acquisition unit (12).

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Inventors:
KUROSAWA MASANORI (JP)
NAKANO KOSUKE (JP)
Application Number:
PCT/JP2016/078606
Publication Date:
April 27, 2017
Filing Date:
September 28, 2016
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
F02M25/08; F01M13/00
Foreign References:
JP2011027073A2011-02-10
JPH0921359A1997-01-21
JPH06213031A1994-08-02
JP2007002838A2007-01-11
Attorney, Agent or Firm:
KAMATA, Toru et al. (JP)
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