ELECTRIC MOTOR

PROBLEM TO BE SOLVED: To provide a compact and thin electric motor which has a bearing with a long acoustic life.SOLUTION: The electric motor includes a load side bearing part 8 comprising: a short cylindrical sintered alloy oil-impregnated bearing 10 for supporting the load side of a rotation axis...

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Bibliographic Details
Main Authors KAMEYAMA MASAKI, DEGUCHI MANABU, UKAI SATOSHI, KAWASAKI HIROTAKA
Format Patent
LanguageEnglish
Published 06.09.2012
Subjects
BEARINGS
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ELEMENTS OR CRANKSHAFT MECHANISMS
ENGINEERING ELEMENTS AND UNITS
FLEXIBLE SHAFTS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
LIGHTING
MECHANICAL ENGINEERING
ROTARY BODIES OTHER THAN GEARING ELEMENTS
SHAFTS
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a compact and thin electric motor which has a bearing with a long acoustic life.SOLUTION: The electric motor includes a load side bearing part 8 comprising: a short cylindrical sintered alloy oil-impregnated bearing 10 for supporting the load side of a rotation axis 5; a cylindrical sintered alloy oil storage pipe 11 which has the sintered alloy oil-impregnated bearing 10 fitted inside and held; a bearing peripheral member 1c of a housing 1 for holding a peripheral part of the sintered alloy oil storage pipe 11; a bearing end member 1d of the housing 1 covering ends on the load side of the sintered alloy oil-impregnated bearing 10 and the sintered alloy oil storage pipe 11; and a bearing end gap 13a which is formed between the ends on the load side of the sintered alloy oil-impregnated bearing 10 and the sintered alloy oil storage pipe 11 and the bearing end member 1d of the housing 1 to form an oil reservoir.
Bibliography:Application Number: JP20120094897