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    • 61. 发明授权
    • Throttle valve control apparatus
    • 节流阀控制装置
    • US5027769A
    • 1991-07-02
    • US567596
    • 1990-08-15
    • Masato YoshidaYoshiaki DannoKazuhide Togai
    • Masato YoshidaYoshiaki DannoKazuhide Togai
    • F02B1/04F02B27/02F02B75/18F02B75/20F02D9/02F02D11/10
    • F02B27/0252F02B27/0221F02B27/0289F02D11/107F02D9/02F02B1/04F02B2075/1812F02B2075/1816F02B27/0273F02B75/20F02D2009/0277F02D2009/0281Y02T10/146Y02T10/42
    • Throttle valves are individually disposed in a plurality of intake passages of an engine. In normal operation condition of the throttle valves, a first control device controls the throttle valves according to the detection result of an operation condition detecting device to control the amounts of intake air of the individual intake passages, thereby obtaining good engine performance from low-speed to high-speed ranges. When an abnormality detecting device detects an abnormality in a throttle valve, a determination device determines a normal throttle valve, and a second control device controls only the normal throttle valve in preference to the first control device to control the intake air amount, thereby ensuring continued operation even if a malfunction occurs in one of the throttle valves. Also, intake passages of the engine are divided into two systems and are individually connected with surge tanks, a communication passage communicating with the surge tanks and a communication control valve ae provided, throttle valves and intake control valves are disposed in the individual passages, and the throttle valves, the communication control valve and the intake control valves are open/closed controlled by the operation condition detecting device and control device, thereby obtaining good engine performance and ensuring continued operation of the engine even if a malfunction occurs in the throttle valve control system, to maintain the stability of the vehicle.
    • 节气门单独设置在发动机的多个进气通道中。 在节流阀的正常运行状态下,第一控制装置根据操作状态检测装置的检测结果来控制节流阀,以控制各个进气通道的进气量,从而从低速度获得良好的发动机性能 到高速档。 当异常检测装置检测到节气门的异常时,确定装置确定正常的节流阀,并且第二控制装置优先于第一控制装置仅控制正常节流阀以控制进气量,从而确保持续 即使在其中一个节流阀中发生故障,也是如此。 此外,发动机的进气通道被分成两个系统,并且分别连接有缓冲罐,与缓冲罐连通的连通通道和设置的通信控制阀ae,节气门和进气控制阀设置在各个通道中,并且 节流阀,通气控制阀和进气控制阀由操作状态检测装置和控制装置打开/关闭,从而获得良好的发动机性能并确保发动机的继续运转,即使在节气门控制中发生故障 系统,保持车辆的稳定性。