Pump

摘要

A gear pump includes a pump body 22 which defines a cavity hole 72 which holds a separate cavity body. The cavity body defines channels and a pump cavity holding a pair of gears. An inlet and outlet are connected to the channels. The separate cavity body may be manufactured separately and only this component needs to be manufactured to very accurate tolerances.

主权项

1. A pump system comprising:
a pump body having a pair of gears located in a pump cavity and defining channels; an inlet and an outlet connected to the channels of the pump cavity; and a motor connected to a longitudinal shaft for driving the gears; wherein one of the gears is a free gear located in the pump cavity by the walls of the cavity, and the pump body defines a cavity hole and the pump cavity and channels are defined in a cavity block mounted in the cavity hole, the cavity block being free to move laterally in the cavity hole.