发明名称 OIL PUMP FOR A REFRIGERATION COMPRESSOR
摘要 An oil pump is applied to a compressor which comprises a shell (1) inferiorly defining an oil reservoir (3) and carrying: a cylinder block (2) in which is journalled a crankshaft (4) carrying a pump body of the oil pump, said pump body (11) having a lower end (lib) immersed in the oil (3) and comprising: at least one collecting wall portion (12) eccentric in relation to the axis of rotation of the crankshaft (4) and which is deformed to present at least one open step (13) disposed in a plane secant to a cross section of the pump body (11) in the region of said collecting wall portion (12) and defining an opening (13a) for admitting oil to the interior of the pump body (11); and an inner impeller wall portion (14) defining a deflector transversal to the direction of admission of the oil through the open step (13) and which, with the rotation of the pump body (11), impels said oil axially and ascendingly.
申请公布号 US2010287977(A1) 申请公布日期 2010.11.18
申请号 US20090863792 申请日期 2009.01.21
申请人 WHIRLPOOL S.A. 发明人 WAGNER NILSON;MAGNHOTO SERGIO LUIZ;MENDES JOAO MANOEL
分类号 F25B43/00 主分类号 F25B43/00
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