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Patent Searching and Data


Title:
供給燃料の漏れ検出方法
Document Type and Number:
Japanese Patent JP4750978
Kind Code:
B2
Abstract:
A method and apparatus are disclosed for detecting leakage in the fuel supply to the injectors of an engine 10 in which the individual injectors are connected to a fuel supply rail 20 to which fuel from a reservoir 14 is supplied under pressure by a fuel pump 12. The pressure within the fuel rail is monitored and it is determined when a parameter of a pressure surge in the fuel supply rail resulting from a rapid transition from high to low engine load fails to reach a reference value.

Inventors:
Emma Sweetland
Thomas E Fletcher
Eric Bee Andrews
Stacy A Bowling
Application Number:
JP2001268249A
Publication Date:
August 17, 2011
Filing Date:
September 05, 2001
Export Citation:
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Assignee:
Cummins Engine Company Limited
IVECO (Yuke) Limited
New Holland You Kay Limited
International Classes:
F02D45/00; F02M55/02; F02D41/38; F02M65/00; F02D41/12
Domestic Patent References:
JP9042105A
JP10089135A
JP9170512A
JP5065841A
JP11082105A
JP9303231A
JP2000220553A
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo