Title:
過給機付内燃機関
Document Type and Number:
Japanese Patent JP3551590
Kind Code:
B2
Abstract:
According to the present invention, a wastegate value is provided at the exhaust gas inlet of a supercharger of the internal combustion engine and the degree of opening of the wastegate valve is controlled by a control unit in accordance with the engine speed. The control unit stores the regions where the engine output increases sharply along with an increase of the engine speed (bootstrap operating region) as ranges of the engine speed, and sets the degree of opening of the wastegate valve in accordance with the speed in the bootstrap operating region, and thereby ensures that the supercharging pressure will rise gradually along with an increase of the engine speed. Due to this, sharp increases in the engine output in the bootstrap operating region are prevented and therefore no bootstrap occurs.
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Inventors:
Atsushi Watanabe
Application Number:
JP33914895A
Publication Date:
August 11, 2004
Filing Date:
December 26, 1995
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02B37/16; F02B37/12; F02B37/18; F02D31/00; F02D41/00; (IPC1-7): F02B37/16; F02B37/12
Other References:
横山直行,私の整備ノート航空発動機,日本,社団法人日本航空技術協会,P151
Attorney, Agent or Firm:
Takashi Ishida
Tetsuro Shimada
Toshio Toda
Masaya Nishiyama
Tetsuro Shimada
Toshio Toda
Masaya Nishiyama