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1. 发明授权

US4497706A Oil filter relief valve 失效
标题翻译：滤油器安全阀
公开(公告)号：US4497706A
公开(公告)日：1985-02-05
申请号：US547960
申请日：1983-11-02
申请人： Charles G. Pickett , John G. Charney , Marra Khasin
发明人： Charles G. Pickett , John G. Charney , Marra Khasin
IPC分类号： B01D27/10 , B01D35/147
CPC分类号： B01D35/147 , B01D27/103 , Y10S210/17
摘要： An oil filter relief valve having a tension spring housing with oil inlets and a first end and a second end, the first end being located adjacent the mounting plate of the filter, a base being fixedly connected to the second end of the spring housing and tension abutting and extending into the centertube of the filter element, a valve seat having a pointed surface and being located in the base with a channel formed therein for conducting oil therethrough, a resilient piston normally abutting the valve seat in sealing relation, a relatively rigid piston support on the piston, and a tension spring positioned between the first end of the tension spring housing and the piston support to urge the piston into sealing relation against the valve seat. This relief valve opens when the pressure of the oil entering the oil inlets and the channel in the valve seat exceed a particular threshold amount, thus exerting a force on the piston greater than the downward force naturally exerted by the spring. The piston is then lifted from the valve seat and the oil is allowed to flow through the relief valve and by-pass the filter element to immediately re-enter the motor.
摘要翻译：一种油过滤器安全阀，具有带有油入口的拉伸弹簧壳体和第一端部和第二端部，第一端部位于过滤器的安装板附近，基部固定地连接到弹簧壳体的第二端部并且张紧邻接和延伸到过滤元件的中心管中，具有尖锐表面并且位于基部中的阀座，其中形成有用于导致油通过的通道，通常以密封关系邻接阀座的弹性活塞，相对刚性的活塞支撑在活塞上，以及张力弹簧，其定位在拉伸弹簧壳体的第一端和活塞支撑件之间，以推动活塞与阀座的密封关系。当进入油入口的油的压力和阀座中的通道的压力超过特定阈值时，该安全阀打开，从而对活塞施加大于由弹簧自然施加的向下的力。然后将活塞从阀座提起，并且允许油流过安全阀并绕过滤器元件立即重新进入电动机。

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