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Patent Searching and Data


Title:
AC GENERATOR FOR AUTOMOBILE
Document Type and Number:
Japanese Patent JPH04368453
Kind Code:
A
Abstract:

PURPOSE: To attenuate the vibration occurring in a stator core and reduce the magnetic noise by suppressing the deformation of the stator core, which occurs by the tightening of bolts during time assembling or the body of a generator and the attachment of an engine, and making the magnetic force small.

CONSTITUTION: A magnetic noise reducing device is composed of a semicylindrical inner tube 4, an outer tube 3, and an attenuating material inserted between them, and both ends in axial direction of the outer tube 3 are provided with mounting feet 1 which have through holes 2. For a generator, by mounting these devices in a set of two around a stator core, and making them face each other with a spring washer 13 between so that the fellow through holes 2 provided in the mounting feet 1 may fit each other, and inserting a bolt 12 in the through hole 2, and screwing a nut 15 with a washer 14 bitten at the top, this devices are attached to an AC generator.


Inventors:
MURAMOTO YASUSHI
TANAKA KIHACHIRO
KURIHASHI YASUTAKA
CHIBA MICHIHARU
Application Number:
JP14451891A
Publication Date:
December 21, 1992
Filing Date:
June 17, 1991
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H02K7/18; H02K11/00; H02K11/02; (IPC1-7): H02K7/18; H02K11/00
Attorney, Agent or Firm:
Katsuo Ogawa