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US 11,506,216 B2Granted
Water pump
AssigneeHanon Systems Efp Deutschland GmbH
InventorsErnesto Giovanni Arnoldi, Paolo Lincoln Maurino
Life of this patent
Estimating the term…
Abstract
A water pump with an impeller driven by an electrical machine comprising a housing cap and a volute with an inlet) and an outlet and a boot hosting a stator and a rotor of the electrical machine, wherein the rotor is mounted on a fixed shaft in the water pump having a bushing rotatable mounted on the shaft.
Claims5
A water pump with an impeller driven by an electrical machine, comprising:
- a housing cap;
- a volute with an inlet and an outlet;
- a boot hosting a stator and a rotor of the electrical machine, wherein the stator includes wires and pins and the rotor is mounted on a fixed shaft in the water pump;
- the rotor having a bushing rotatably mounted on the shaft, wherein the bushing has a first length covering the shaft in an area of the rotor, and wherein the bushing has a second length covering the shaft extending into the impeller;
- and
- a heat sink mounted in the boot, wherein the shaft is seated in the heat sink,
- wherein the stator is overmolded with a first plastic material and at least the stator, wires and pins are overmolded with a second plastic material to form the boot in the shape of a cylindrical ring.
4 more elements
Dependencies are inferred from the claim text.