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专利名称：Oil pump for a refrigerating compressor发明人：Fabio Henrique Klein,Luiz Fabiano
Jovita,Andrea Lopes
申请号：US12447756申请日：20071024公开号：US08202067B2公开日：20120619
专利附图：
摘要：Oil pump for hermetic refrigerating compressor comprising a tubular sleevehaving an upper portion affixed to at least one of the parts of crankshaft and rotor, and alower portion having a lower end immersed in the lubricant oil, said tubular sleeve being
provided with an inner surface presenting, along at least part of its longitudinalextension, at least one helical groove upwardly extending from the lower end; and apump body disposed inside the tubular sleeve and defining, with the adjacent helicalgroove of the tubular sleeve, a lubricant oil ascending channel, said pump body
presenting a lower end portion mounted to one of the parts of shell, cylinder block andstator, so as to be freely displaced within the tubular sleeve, in radial directionsorthogonal to the crankshaft and rotatively locked in relation to the rotor.
申请人：Fabio Henrique Klein,Luiz Fabiano Jovita,Andrea Lopes
地址：Joinville BR,Joinville BR,Joinville BR
国籍：BR,BR,BR
代理机构：Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
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