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Patent Searching and Data


Title:
ELECTRICALLY DRIVEN HYDRAULIC POWER STEERING DEVICE
Document Type and Number:
Japanese Patent JP2004320835
Kind Code:
A
Abstract:

To provide a device of a small size whose assembling property is good, of which the stator of a motor is surely fixed, being excellent in water resistance and performance.

An electrically driven hydraulic power steering device 1 comprises a motor part 2, a controller part 3, and a pump part 4 as one body. A first housing 5 has a support part 15 which supports a first bearing 14 of a rotor 13 of a motor 8. It also has a housing part 17 where an iron core 12 of a stator 11 of the motor 8 is press-fitted in the inner peripheral surface and a second bearing 16 of the rotor 13 is housed. A first clamping screw 26 fixes a frame 10 of iron material which works as an outer shell of the motor 8 to the first housing 5. A second clamping screw 28 fixes the first housing 5 to a second housing 6. It is constituted so that both the first clamping screw 26 and the second clamping crew 28 are tightened from the frame 10 side.


Inventors:
TANAKA TOSHINORI
OKAMOTO KIYOHIDE
MATSUI YUSUKE
YAMAMOTO KYOHEI
ISONO SHUJI
MEGATA HIDEKI
FUKAZAWA KEIICHI
OHATA KATSUMI
FUJIMOTO KENGO
Application Number:
JP2003107749A
Publication Date:
November 11, 2004
Filing Date:
April 11, 2003
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B62D5/06; B67D7/58; F01C21/10; F04B53/00; F04C15/00; B62D5/07; H02K5/02; H02K5/10; H02K7/14; (IPC1-7): H02K7/14; B62D5/07; F04B53/00; H02K5/02; H02K5/10
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka