Fluid pump
AssigneeMahle International GmbH
InventorsAlok AWASARE, Martin Gross
Life of this patent
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Abstract
The invention relates to a fluid pump (1), which comprises an impeller unit (2) with an impeller (4) and an electric motor (6) with a motor housing (10). The impeller unit (2) comprises an inlet side (2a) with a fluid inlet (5a) and an outlet side (2b) with a fluid outlet (5b), wherein a guide channel (26) fluidically connects the inlet side (2a) and the outlet side (2b) via the impeller (4). It is substantial for the invention that the guide channel (26) is additionally realised in regions by a cooling fluid jacket (27) formed in the motor housing (10).
Claims11
A fluid pump for a fuel cell system having at least one fuel cell stack of multiple fuel cells,
- wherein the fluid pump comprises an impeller unit for delivering a cooling fluid with an impeller that is rotatable about an axis of rotation and an electric motor for driving the impeller with a motor housing,
- wherein the impeller unit is arranged at a, with respect to the axis of rotation, axial longitudinal end of the motor,
- wherein the impeller unit comprises an inlet side with a fluid inlet and an outlet side with a fluid outlet and the impeller separates the inlet side and the outlet side from one another,
- wherein the fluid pump comprises a guide channel for the cooling fluid and the guide channel fluidically connects the inlet side and the outlet side via the impeller,
- characterised
- in that the guide channel is additionally formed in regions by a cooling fluid jacket formed in the motor housing.
Dependencies are inferred from the claim text.