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US 2026/0132798 A1Published application
Motor pump
AssigneeEbara Corporation
InventorYasutaka KONISHI
Life of this patent
Estimating the term…
Abstract
The present invention relates to a motor pump. The motor pump (MP) includes a rotor holder (200) holding a rotor (2) and an impeller (1) which is a press-molded product, and the rotor holder (200) is fixed to the impeller (1).
Claims23
A motor pump, comprising:
- a rotor;
- a stator arranged radially outside of the rotor;
- a rotor holder holding the rotor;
- and
- an impeller which is a press-molded product, and the rotor holder being fixed to the impeller,
- wherein the rotor holder comprises:
- a press-molded annular accommodating portion accommodating the rotor;
- and
- an annular closing plate closing the accommodating portion.
6 more elements
(canceled)
A motor pump, comprising:
- a rotor;
- a stator arranged radially outside of the rotor;
- a rotor holder holding the rotor;
- and
- an impeller which is a resin-molded product, and the rotor holder being integrally molded to the impeller,
- wherein the rotor holder comprises:
- a resin-molded annular accommodating portion accommodating the rotor;
- and
- a ring holder closing the accommodating portion,
- wherein the ring holder extends along an inner circumferential surface of the rotor, and is configured to transmit a power applied to the rotor to the impeller.
7 more elements
(canceled)
The motor pump according to 12, wherein the rotor and the bearing are arranged in a suction side region of the impeller.
Dependencies are inferred from the claim text.