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Patent Searching and Data


Title:
CONTROLLER OF INTERNAL COMBUSTION ENGINE
Document Type and Number:
WIPO Patent Application WO/2002/048531
Kind Code:
A1
Abstract:
A controller of an internal combustion engine having a variable valve system for varying the opening area (valve lift) or a working angle (valve opening period) of at least one of an intake valve and an exhaust valve, wherein a cylinder pressure is calculated based on the opening area or working angle of at least one of the intake valve and exhaust valve varied by the variable valve system, and the internal combustion engine is controlled based on the cylinder pressure, whereby the internal combustion engine can be controlled more appropriately based on not only the cylinder pressure at the time of a peak combustion pressure but also on the cylinder pressure at the other times as in the control using a combustion pressure sensor.

Inventors:
FUWA NAOHIDE (JP)
KANAMARU MASANOBU (JP)
KONISHI MASAAKI (JP)
OSANAI AKINORI (JP)
WATANABE SATORU (JP)
EHARA MASATO (JP)
Application Number:
PCT/JP2001/010917
Publication Date:
June 20, 2002
Filing Date:
December 12, 2001
Export Citation:
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Assignee:
TOYOTA MOTOR CO LTD (JP)
FUWA NAOHIDE (JP)
KANAMARU MASANOBU (JP)
KONISHI MASAAKI (JP)
OSANAI AKINORI (JP)
WATANABE SATORU (JP)
EHARA MASATO (JP)
International Classes:
F01L1/34; F01L1/344; F01L13/00; F02D45/00; F02D13/02; F02D35/02; F02D37/02; F02D41/00; F02D43/00; F02P5/15; F02M25/07; (IPC1-7): F02D41/04; F02D45/00; F02P5/15
Foreign References:
JPH02291447A1990-12-03
US4896642A1990-01-30
JPH0481574A1992-03-16
JPH10288067A1998-10-27
JP2000314318A2000-11-14
JPH09209895A1997-08-12
JPH0749034A1995-02-21
Other References:
See also references of EP 1342899A4
Attorney, Agent or Firm:
Ishida, Takashi (ISHIDA & ASSOCIATES Toranomon 37 Mori Bldg. 5-, Toranomon 3-chome Minato-ku Tokyo, JP)
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