专利名称：FIXED ORIFICE EXPANSION DEVICE
哀号发明人：David Wir
travelling申请号：US09781008
申请日：20010209
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公开号：US20020108396A1
公开日：
adversity>esl
20020815
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摘要：Disclod is a fixed orifice expansion device for u in connection with couplings,such as refrigerant couplings. The novel device includes a body having first and cond ends, and an orifice therethrough. At least one end of the body includes a aling散文朗诵技巧
scs
mechanism for aling the device within a bore of a cooperative coupling or the like, while
the opposing end includes means for installing the body within the cooperative coupling. By u of the disclod expansion device, a rvice valve for refrigerant expansion may be accomplished with three standard ARI fittings.
申请人：WISER DAVID全国十佳留学中介
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