Title:
【発明の名称】噴射弁の圧電式アクチュエータに対する電圧制御の診断方法
Document Type and Number:
Japanese Patent JP2003529714
Kind Code:
A
Abstract:
The method involves measuring actuator drive voltages in individual control phases. A tolerance band (B1-B4) and/or voltage gradient is specified for the drive voltage per control phase. The tolerance band is specified taking into account system and injection conditions, e.g. pressure and temperature. A diagnostic check is conducted; if the voltage level is not achieved with the specified tolerance bands a fault message is output and/or stored. Independent claims are also included for the following: use of the method for an injection valve in a common rail system for a moor vehicle engine.
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| JP2002332892 | FUEL INJECTION CONTROL DEVICE FOR ENGINE |
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| WO/2015/124345 | METHOD OF CONTROLLING ACTUATORS IN FUEL SYSTEMS |
Inventors:
Johannes-Jerck Ruger
Matthias Murojik
Volker Pizzal
Udo Schulz
Matthias Murojik
Volker Pizzal
Udo Schulz
Application Number:
JP2001572745A
Publication Date:
October 07, 2003
Filing Date:
February 02, 2001
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F02D41/20; F02D41/22; F02D41/38; F02D45/00; F02M51/06; F02M65/00; F02M47/00; (IPC1-7): F02D41/22; F02D41/38; F02D45/00; F02M47/00; F02M51/06; F02M65/00
Domestic Patent References:
| JPH11141430A | 1999-05-25 | |||
| JPS6255437A | 1987-03-11 | |||
| JPH11327637A | 1999-11-26 | |||
| JPH04365949A | 1992-12-17 | |||
| JPH08109840A | 1996-04-30 | |||
| JPS62206253A | 1987-09-10 |
Foreign References:
| WO1999067527A2 | 1999-12-29 | |||
| WO1999007026A1 | 1999-02-11 | |||
| WO1999002849A1 | 1999-01-21 |
Attorney, Agent or Firm:
Toshio Yano (2 outside)