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    • 8. 发明公开
    • CONTROL DEVICE FOR SOLENOID DRIVING VALVE
    • KONTROLLVORRICHTUNGFÜREIN ELEKTROMAGNETISCHESBETÄTIGTESVENTIL
    • EP1048826A1
    • 2000-11-02
    • EP99900149.8
    • 1999-01-08
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • KATSUMATA, ShojiFUWA, ToshioYOEDA, KeijiMATSUMOTO, IsaoIZUO, TakashiIIDA, TatsuoHATTORI, HiroyukiASANO, MasahikoKADOWAKI, YoshinoriYANAI, Akihiro
    • F01L9/04F02D13/02F02D45/00
    • F02D13/0203F01L9/04F01L2201/00F02D13/0253F02D2013/0296G01L9/04Y02T10/18
    • The invention relates to a control apparatus for controlling a solenoid valve that functions to displace one of an intake valve or an exhaust valve of an internal combustion engine. The object of the invention is to adjust, when a valve element connected to the solenoid valve is displaced between a valve-open position and a valve-closed position, the magnitude of an electromagnetic force displacing the valve element, to a controlled value based on a pressure acting on the valve element. The solenoid valve displaces the valve element (40) by a cooperation of resilient forces of an upper spring (104) and a lower spring (106) and electromagnetic forces of an upper coil (98) and a lower coil (100). In the control apparatus, a pressure acting on the valve element (40) is detected directly or indirectly. When the valve element is displaced from one of the valve-open position and the valve-closed position to the other position, the magnitude of an electromagnetic force to displace the valve element (40) to the other position is adjusted to a controlled value based on the valve-element pressure detected.
    • 本发明涉及一种用于控制电磁阀的控制装置,其用于使内燃机的进气门或排气门中的一个移动。 本发明的目的是当连接到电磁阀的阀元件在阀打开位置和阀关闭位置之间移位时,将阀元件的电磁力的大小调整到基于 作用在阀元件上的压力。 电磁阀通过上弹簧(104)和下弹簧(106)的弹力和上线圈(98)和下线圈(100)的电磁力的协作来使阀元件(40)移位。 在控制装置中,直接或间接地检测作用在阀元件(40)上的压力。 当阀元件从阀打开位置和阀关闭位置之一移位到另一位置时,将阀元件(40)移位到另一位置的电磁力的大小被调整为基于受控值 检测到阀芯压力。