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1. 发明授权

US5354530A Pressure fluid stabilized regulator with leakage orifice and method of forming precise molded orifice units 失效
标题翻译：具有泄漏孔的压力流体稳定调节器和形成精密模制孔单元的方法
公开(公告)号：US5354530A
公开(公告)日：1994-10-11
申请号：US7087
申请日：1993-01-21
申请人： Louis D. Atkinson , Ronald L. Daggett , Dean C. Vandeberg
发明人： Louis D. Atkinson , Ronald L. Daggett , Dean C. Vandeberg
IPC分类号： B29C33/00 , B29C33/48 , F15C1/02 , B29C33/38 , B29C33/44
CPC分类号： B29C33/0033 , F15C1/02 , B29C33/485 , B29L2023/00 , Y10S425/058
摘要： A fluid pressure regulator includes a diaphragm operated leakport controlling low liquid or fluid flow rates. A precisely formed leakage unit spaced from the leakport establishes continuous flow from the input to the output. The leakage unit includes a separate orifice unit having an integral molded body and internal precision orifice establishing the continuous flow. A multiple mold core unit for molding an integral body and orifice including a pair of aligned mold cores have opposed planar surfaces located at the orifice plane. A small gap is held between the opposed end surfaces. The orifice unit is molded as a single plastic element without flash at the orifice. The orifice has a diameter in the range of about 0.001 to 0.030 inches, and may be used in various applications requiring precise low flows. The orifice unit may include an elongated tubular body with an internal orifice molded as single integral members. The tubular body establishes opposite connection permitting connection using standard tubing and the like. Within flow limits, the orifice unit is operable with a bi-directional flow to control precise flows such as intervenous liquids at 100 cc per minute, LP gas burners and other low flows.
摘要翻译：流体压力调节器包括控制低液体或流体流速的隔膜操作泄漏口。与泄漏口隔开的精确形成的泄漏单元建立从输入到输出的连续流动。泄漏单元包括具有整体成型体和建立连续流动的内部精密孔的单独的孔单元。用于模制整体的多个模芯单元和包括一对对准的模芯的孔具有位于孔平面处的相对的平面。在相对的端面之间保持有小的间隙。孔单元被模制成单个塑料元件，而在孔口处没有闪光。孔口具有约0.001至0.030英寸范围内的直径，并且可用于需要精确低流量的各种应用中。孔口单元可以包括细长管状体，其具有模制为单一整体构件的内部孔口。管状体形成相反的连接，允许使用标准管道等进行连接。在流量限制范围内，孔单元可通过双向流动操作，以控制精确流量，例如每分钟100立方厘米的液体，LP气体燃烧器和其他低流量。

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