Title:
A diagnostic circuit of a fluid injection machine, and a method of diagnosing a fluid injection machine
Document Type and Number:
Japanese Patent JP6154013
Kind Code:
B2
Abstract:
A diagnostic circuit arranged to measure an electrical characteristic in a drive circuit of a coil of a fluid injector and compare the measured electrical characteristic with another electrical characteristic to determine whether a PN junction is working to discharge electrical energy in the coil of the fluid injector, in particular a selective catalytic reduction dosing injector.
Inventors:
Sykes, Martin
Application Number:
JP2015533488A
Publication Date:
June 28, 2017
Filing Date:
July 30, 2013
Export Citation:
Assignee:
Delphi International Operations Luxembourg S.A.Y.L.El
International Classes:
F02D45/00; F01N3/08; F01N3/18; F02D41/22; F02M61/08; F02M69/46; G01R31/50
Domestic Patent References:
| JP2091580A | ||||
| JP2006220069A | ||||
| JP2009004979A | ||||
| JP7035005A |
Foreign References:
| DE4130712A1 | ||||
| EP0150492A1 |
Attorney, Agent or Firm:
Shinjiro Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Tatsumi Ono
Yasushi Kobayashi
Shigeo Takeuchi
Osamu Yamamoto
Tatsumi Ono
Previous Patent: Shampoo constituent
Next Patent: MAGNETIC CONVERTER OF MAGNETIC RESISTANCE EFFECT TYPE
Next Patent: MAGNETIC CONVERTER OF MAGNETIC RESISTANCE EFFECT TYPE