Electric oil pump
AssigneeNidec Powertrain Systems Corporation
InventorsShigehiro KATAOKA, Tomohiro SAKATA, Heng CAO
Life of this patent
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Abstract
An aspect of an electric oil pump of the disclosure includes: a motor portion, including: a rotor being rotatable and having a shaft extended in an axial direction, and a stator facing the rotor with a gap interposed therebetween; a substrate, electrically connected with the stator; a housing that accommodates the motor portion; a pump mechanism, connected to the motor portion; and a support, located between the substrate and the stator. The support is accommodated inside the housing. The support is configured to support: a terminal member, electrically connecting the stator and the substrate; and a conductor, electrically connecting the substrate and the housing.
Claims33
An electric oil pump, comprising:
- a motor portion, including:
- a rotor being rotatable and having a shaft extended in an axial direction, and a stator facing the rotor with a gap interposed therebetween;
- a substrate, electrically connected with the stator;
- a housing that accommodates the motor portion;
- a pump mechanism, connected to the motor portion;
- and a support, located between the substrate and the stator, wherein the support is accommodated inside the housing, wherein the support is configured to support:
- a terminal member, electrically connecting the stator and the substrate;
- and a conductor, electrically connecting the substrate and the housing.
An electric oil pump, comprising:
- a motor portion, including:
- a rotor being rotatable and having a shaft extended in an axial direction, and a stator facing the rotor with a gap interposed therebetween;
- a substrate, electrically connected with the stator;
- a housing that accommodates the motor portion;
- a pump mechanism, connected to the motor portion;
- and an insulator, located between the substrate and the stator, wherein the insulator is accommodated inside the housing, wherein the insulator is configured to support:
- a terminal member, electrically connecting the stator and the substrate;
- and a conductor, electrically connecting the substrate and the housing.
An electric oil pump, comprising:
- a motor portion, including:
- a rotor being rotatable and having a shaft extended in an axial direction, and a stator facing the rotor with a gap interposed therebetween;
- a substrate, disposed on a side in the axial direction of the motor portion;
- a terminal member, electrically connected to the stator on an other side in the axial direction and electrically connected to the substrate on the side in the axial direction;
- a pump mechanism, connected to the motor portion;
- and a housing that accommodates the motor portion and the pump mechanism, wherein the stator includes:
- a stator core, having a ring shape;
- a coil portion, having a plurality of coil bodies, and being attached to the stator core;
- and an insulator, being disposed between the stator core and the coil portion, wherein the terminal member electrically connects the coil portion and the substrate, wherein the housing includes:
- a motor accommodator that accommodates at least the stator of the motor portion;
- a pump mechanism accommodator that accommodates the pump mechanism;
- and a hole, disposed between the motor accommodator and the pump mechanism accommodator in the axial direction, and through which the shaft is passed in the axial direction, wherein the hole communicates the pump mechanism accommodator with the motor accommodator, wherein the electric oil pump further comprises a support configured to support the terminal member, the support is located between the stator and the substrate in the axial direction, the support has an opening passing through a central axis that is hypothetical, and the central axis passes through a center of the shaft.
Dependencies are inferred from the claim text.