THROTTLE VALVE CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

PURPOSE:To enable ISC(idle speed control) by preventing an engine stall at fast idle time. CONSTITUTION:The first throttle valve 10 and the second throttle valve 20 are arranged in series in an intake air passage 2 of an internal combustion engine, and the first throttle valve 10 is opened and close...

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Bibliographic Details
Main Authors TAKEDA SUMUTO, KATOU YUKIYA, KITAMURA SUNAO
Format Patent
LanguageEnglish
Published 27.09.1994
Edition5
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
COOLING OF INTERNAL-COMBUSTION ENGINES
COOLING OF MACHINES OR ENGINES IN GENERAL
DEVICES FOR VENTING OR AERATING
ENGINE PLANTS IN GENERAL
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:PURPOSE:To enable ISC(idle speed control) by preventing an engine stall at fast idle time. CONSTITUTION:The first throttle valve 10 and the second throttle valve 20 are arranged in series in an intake air passage 2 of an internal combustion engine, and the first throttle valve 10 is opened and closed electrically by a motor or the like, and the second throttle valve 20 is opened and closed mechanically by an accelerator pedal 26. A bypass passage 4 to bypass at least the second throttle valve 20 among both throttle valves and a bypass air adjusting valve 30 to adjust a passage area of the bypass passage 4 according to a warming-up condition of the internal combution engine, are provided.
Bibliography:Application Number: JP19930083996