Fluid transfer pump
AssigneeTechtronic Cordless GP
InventorsJiabin Huang, Xijun Jiang
Life of this patent
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Abstract
A fluid transfer pump comprises: a housing, a pump unit, an electric motor assembly, a power supply mounting base, and a speed change mechanism, wherein the pump unit comprises an impeller; the electric motor assembly is used to drive the impeller to rotate around an axis of the impeller; the power supply mounting base is used to receive a power supply for supplying electricity to the pump unit; and the speed change mechanism is arranged between the pump unit and the electric motor assembly. The power supply mounting base is arranged in a power supply compartment; and the pump unit, the speed change mechanism, the electric motor assembly, and the power supply compartment are successively arrayed in an extension direction of the axis of the impeller.
Claims20
A fluid transfer pump, comprising:
- a housing, wherein an internal space of the housing is divided into a plurality of areas;
- a pump unit comprising an impeller, the impeller rotatable about an impeller axis;
- an electric motor assembly comprising an electric motor and a fan, wherein the electric motor and the fan are disposed in different areas of the plurality of areas;
- a speed change mechanism arranged between the pump unit and the electric motor assembly;
- and
- a power supply compartment configured to receive a removable power supply,
- wherein the pump unit, the speed change mechanism, the electric motor assembly, and the power supply compartment are successively arrayed in an extension direction of the impeller axis.
A fluid transfer pump, comprising:
- a housing;
- a pump unit comprising an impeller, the impeller rotatable about an impeller axis;
- an electric motor assembly;
- a speed change mechanism arranged between the pump unit and the electric motor assembly;
- and
- a removably mountable power supply, the removably mountable power supply comprising a battery,
- wherein the pump unit, the speed change mechanism, the electric motor assembly, and the removably mountable power supply when mounted are successively arrayed in an extension direction of the impeller axis.
Dependencies are inferred from the claim text.