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1. 发明专利

JPS5770727A Pressure control valve unit 失效
标题翻译：压力控制阀单元
公开(公告)号：JPS5770727A
公开(公告)日：1982-05-01
申请号：JP14871880
申请日：1980-10-22
申请人： Hitachi Ltd
发明人： SATOU TOSHIKATSU , KOMATSUZAKI KIYOMI , NAGANAMI KENICHI , HORIBE KIYOSHI
IPC分类号： B60H1/00 , F15B15/10
CPC分类号： B60H1/00485 , F15B15/10 , Y10S137/907
摘要： PURPOSE: To provide a small high-performance pressure control valve unit in a pressure control valve unit for controlling opening degree of an air-mixing-door by integrally forming the respective solenoid valve mechanisms of a negative pressure control valve element and a negative pressure switching valve element.
CONSTITUTION: A nipple 24 communicating with a negative pressure source and a nipple 25 adapted to function as a signal passage are provided for a casing 23. The nipples 24 and 25 are allowed to communicate with each other through a first valve chamber 26, a passage 27 and a second valve chamber 28. These valve chambers 26 and 28 communicate with the atmosphere through a through hole formed in the extremity of a plunger 40 and a cavity formed in a valve base 44. While solenoids 34 and 35 are not energized, valves 29 and 30 are closed and no signal is provided from the nipple 25. When the first solenoid 34 is made ON and the second solenoid 35 is made OFF respectively, the nipple 25 provides a pressure signal equal to the atmospheric pressure. When both solenoid 34 and 35 are energized, the nipple 25 provides a signal of a negative pressure.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：在压力控制阀单元中提供一个小型高性能压力控制阀单元，用于通过一体地形成负压控制阀元件和负压开关的各个电磁阀机构来控制空气混合门的开度阀元件构成：用于壳体23设置有与负压源连通的接头24和适于作为信号通道的接头25.乳头24和25允许通过第一阀室26，通道 27和第二阀室28.这些阀室26和28通过形成在柱塞40的末端的通孔和形成在阀座44中的空腔与大气连通。当螺线管34和35未通电时，阀 29和30关闭，并且没有从接头25提供信号。当第一螺线管34接通并且第二螺线管35分别断开时，接头25提供等于大气压力的压力信号。当螺线管34和35都通电时，接头25提供负压的信号。

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