公开(公告)号：US4895126A

公开(公告)日：1990-01-23

申请号：US307537

申请日：1989-02-08

申请人： Torazo Nishimiya ,  Tomoo Ito ,  Katsuzi Murao ,  Tohoru Ozawa ,  Yoshiro Kabakura

发明人： Torazo Nishimiya ,  Tomoo Ito ,  Katsuzi Murao ,  Tohoru Ozawa ,  Yoshiro Kabakura

IPC分类号： F02M69/32 ,  F16K1/44

CPC分类号： F16K1/44

摘要： A flow rate control system for controlling the idling rpm of an engine of a vehicle to a predetermined level in accordance with the temperature of cooling water or outdoor air, so as to eliminate hunting occurring in the flow rate of air supplied to the engine at engine startup the system includes a first valve seat, adapted to come into and out of engagement with a first valve body of a flow rate control valve assembly, and an annular protrusion located on a portion of an inner peripheral surface on an inlet side of the first valve seat. A conical surface portion is located downstream of the annular protrusion on an outlet side of the inner peripheral surface and divergingly tapers in a direction toward a downstream side of the first valve seat.

摘要翻译： 一种流量控制系统，用于根据冷却水或室外空气的温度将车辆的发动机的空转速度控制在预定水平，以便消除在发动机处的发动机中供应的空气的流量中产生的振荡 启动系统包括适于与流量控制阀组件的第一阀体进入和脱离接合的第一阀座，以及位于第一阀座的入口侧的内周面的一部分上的环形突起 阀座。 圆锥形表面部分位于内周表面的出口侧的环形突起的下游，并且沿着朝向第一阀座的下游侧的方向发散。