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Publication of JPS4949103ApublicationCriticalpatent/JPS4949103A/ja
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K9/00—Arrangements for cooling or ventilating
H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D1/00—Methods of beating or refining; Beaters of the Hollander type
D21D1/20—Methods of refining
D21D1/30—Disc mills
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K5/00—Casings; Enclosures; Supports
H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations