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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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
27.09.1994
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: JP19930083996 |