发明名称 Gear type hydraulic pump or motor - has seal between bearing boxes with one free of hydraulic load
摘要 <p>The machine has a casing (10) with two meshing bores (14, 15). These contain meshing gear wheels on shafts (20, 27) running in bearings in bearing boxes (16, 23) inserted in the ends of the housing. The bearing boxes (16) of the driving shaft (20) are pressed tight against the side (13) of the bore (14) in the housing. The bearing boxes (23) of the layshaft (27) are relieved of hydraulic pressure outwards by relief zones (33) which are in communication with the high pressure side by passages (41) in the boxes. The gap between their outer edges and the inside of the housing bore (15) is taken up by a sealing strip (35).</p>
申请公布号 DE2552528(A1) 申请公布日期 1977.05.26
申请号 DE19752552528 申请日期 1975.11.22
申请人 ROBERT BOSCH GMBH 发明人 BOSCH,PAUL
分类号 F04C2/14;F04C15/00;(IPC1-7):04C1/08 主分类号 F04C2/14
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