专利名称：Fluid control devices发明人：Steven Lonnes申请号：US10569932申请日：20040914
公开号：US20060266420A1公开日：20061130
专利附图：
摘要：Improved fluid control devices are provided for metering pressure effectively inenvironments that may contain solid particles and in which the ambient pressure issubject to change. Such a valve comprises a valve body containing a plunger assemblycontacting a first spring, said plunger assembly having a cavity and including a second
spring and a poppet assembly engaged to said second spring within said cavity; and valveseat means located in position to contact said poppet assembly and essentially prohibitflow through the valve when fluid pressure at the valve inlet is less than a predetermineddifferential pressure plus a fluid pressure at the valve outlet.
申请人：Steven Lonnes
地址：Pearland TX US
国籍：US
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