Title:
MOTOR, PUMP, AND PUMP DRIVE APPARATUS
Document Type and Number:
Japanese Patent JP2012050196
Kind Code:
A
Abstract:
To obtain a motor which is designed to increase a cross section of a flux path of a yoke part and also to improve a yield of materials.
In a portion of an annular yoke part 32, with a tooth part 33 having a magnetic pole part 34 at the tip thereof provided protrusively on an inside surface 32a, a height raising part 35, composed of a magnetic material, which increases a height h1 in a direction along an output axis of the yoke part 32, is provided. The height raising part 35 is formed in a shape to fit within an inside region IA of the yoke part 32, whereby the height raising part 35 is molded in the inside region IA before being punched out.
Inventors:
HASHIMOTO TOSHIHARU
SUEMATSU SHINJI
NUNOMURA MASATO
SUEMATSU SHINJI
NUNOMURA MASATO
Application Number:
JP2010188236A
Publication Date:
March 08, 2012
Filing Date:
August 25, 2010
Export Citation:
Assignee:
PANASONIC ELEC WORKS CO LTD
International Classes:
H02K1/14; F04D13/06; H02K1/02
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Masakazu Ito