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Patent Searching and Data


Title:
ANOMALY DETERMINATION SYSTEM AND ANOMALY DETERMINATION METHOD
Document Type and Number:
WIPO Patent Application WO/2015/001955
Kind Code:
A1
Abstract:
This anomaly determination system is provided with an inlet pressure sensor (31) which detects the inlet pressure of a pressure loss unit (26) provided in the fluid passage (25) in a vehicle, an outlet pressure sensor (32) which detects the outlet pressure of the pressure loss unit (26), an outside pressure sensor (33) which detects the outside pressure, which is the pressure outside of the fluid passage (25), and an anomaly determination unit (35) which determines anomalies in the pressure loss unit (26). The anomaly determination unit (35) determines that there is an anomaly in the pressure loss unit (26) if the difference between the inlet and outlet pressure, the difference between the outlet and outside pressure, and the difference between the outside and inlet pressure, detected when the flow rate in the fluid passage (25) is less than the minimum flow rate at which anomalies in the pressure loss unit (26) are detectable, are within an allowable range, and the pressure difference between the inlet pressure and outlet pressure when the flow rate is greater than or equal to the minimum flow rate is within a first pressure loss range.

Inventors:
NAKANO, Hitoshi (3-1-1, Hinodai, Hino-sh, Tokyo 60, 〒1918660, JP)
Application Number:
JP2014/066061
Publication Date:
January 08, 2015
Filing Date:
June 17, 2014
Export Citation:
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Assignee:
HINO MOTORS, LTD. (3-1-1, Hinodai Hino-sh, Tokyo 60, 〒1918660, JP)
International Classes:
F02B29/04; F01N3/023; F02D45/00; G01L1/00
Foreign References:
JP2008157200A2008-07-10
JP2006009598A2006-01-12
JP2013122182A2013-06-20
JP2001317415A2001-11-16
JP2007137374A2007-06-07
JP2005188479A2005-07-14
Other References:
See also references of EP 2993327A4
Attorney, Agent or Firm:
ONDA, Makoto et al. (12-1, Ohmiya-cho 2-chome Gifu-sh, Gifu 31, 〒5008731, JP)
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