Electrically activated dynamic valve for spark ignition engines
    1.
    发明授权
    Electrically activated dynamic valve for spark ignition engines 失效
    用于火花点火发动机的电动活动阀

    公开(公告)号:US5351660A

    公开(公告)日:1994-10-04

    申请号:US86538

    申请日:1993-07-01

    Inventor: Michael Logozzo

    Abstract: An inlet manifold active reed valve for an internal combustion spark ignition engine comprises a solenoid activated reed just upstream of the inlet poppet valve of a four stroke engine. For a two stroke engine the active reed valve is located at the entrance to the crankcase and activated by one or more miniature solenoids attached to the valve body. As an alternative, the new valve is a rotary disc valve reciprocated by an external solenoid or a rotary activator. The valve opens fully for full unrestricted flow (unthrottled) during a portion of the time the inlet valve or part is open (in terms of crankshaft angle). The portion of crankshaft angle the new valve is fully open is determined by the engine load. Under full load the new valve may be held constantly open to provide unrestricted flow to the engine inlet valve or crankcase. In the above embodiments an electronic control unit energizes the solenoid or activator in response to engine operating conditions and pollution control regulations.

    Abstract translation: 用于内燃火花点火发动机的入口歧管主动簧片包括刚好在四冲程发动机的入口提升阀上游的螺线管激活的簧片。 对于二冲程发动机,主动簧片阀位于曲轴箱的入口处并由连接到阀体的一个或多个微型螺线管激活。 作为替代,新阀是通过外部螺线管或旋转启动器往复运动的旋转盘阀。 在进气阀或部件打开的一段时间(以曲轴角度计),阀门完全无限制地流动(未节流)。 新阀门完全打开的曲轴角度部分由发动机负载决定。 在满载的情况下,新阀可能会持续打开,以向发动机入口阀或曲轴箱提供不受限制的流量。 在上述实施例中,电子控制单元响应于发动机操作条件和污染控制规定来激励螺线管或激励器。

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