发明名称 Long life telescoping gear pumps and motors
摘要 A telescoping gear pump comprises a bolt, a Bellville washer, a wear plate, a seal housing, a seal spring, a spur gear including a wear lobe, a seal ring and a case drain path, a shaft, a ring gear including a wear lobe, seal ring, and a case drain path, seal, a bolt assembly including a Bellville washer and bolt, and a pressure plate. The assembly provides pressure to a fluid to maintain a seal within a telescoping pump/motor during operation. The wear lobe reduces wear while maintaining fluid pressure.
申请公布号 US8215932(B2) 申请公布日期 2012.07.10
申请号 US20070851482 申请日期 2007.09.07
申请人 O'BRIEN, II JAMES A.;LIMO-REID, INC. 发明人 O'BRIEN, II JAMES A.
分类号 F03C2/00;F03C4/00 主分类号 F03C2/00
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