发明授权
US4518331A Pressure loaded gear pump 失效
加压齿轮泵

Pressure loaded gear pump
摘要:
A pressure loaded gear pump comprising a housing, a pair of intermeshing gears positioned in the housing, at least one gear side face sealing member, and pressure loading means for defining a pressure loaded area in use of the pump, the pressure loading means comprising a bobbin and first and second axial seals mounted on the bobbin.
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