Title:
ENGINE PROVIDED WITH TURBO-SUPERCHARGER
Document Type and Number:
Japanese Patent JPS6019910
Kind Code:
A
Abstract:
PURPOSE:To aim at rapidly raising the temperature of a catalyst converter and as well at preventing the same from deteriorating, by disposing a member for absorbing and removing detrimental metal within exhaust gas, in an exhaust passage in parallel with a bypass passage. CONSTITUTION:Since a selector valve 11 takes a second position P2 when an engine is cold, exhaust gas flows through a bypass valve 10 to raise the temperature of a catalyst converter 9. Meanwhile, the selector valve 11 takes a first position P1 when the engine is in conditions other than the cold condition, and therefore, exhaust gas flows through a turbine 7 and an absorbing member 8. Accordingly, supercharging is carried out, and deterimental metal is absorbed in the abosorbing member 8 and therefore, removed.
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Inventors:
OKIMOTO HARUO
MATSUDA IKUO
MATSUDA IKUO
Application Number:
JP12838683A
Publication Date:
February 01, 1985
Filing Date:
July 13, 1983
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
F02B37/12; F01N3/02; F01N3/031; F01N3/08; F01N3/20; F01N3/28; F02B37/18; F01N13/02; (IPC1-7): F02B37/12
Attorney, Agent or Firm:
Hiroshi Maeda (1 person outside)
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