Brakes – Internal-resistance motion retarder – Magnetic fluid or material
Patent
1990-08-10
1992-03-17
Halvosa, George E. A.
Brakes
Internal-resistance motion retarder
Magnetic fluid or material
188164, 192 84PM, 272129, 310105, F16F 1503, B60L 728
Patent
active
050960245
ABSTRACT:
This invention relates to an adjustable magnetic brake and in particular to one including an aluminum fan, a magnetic conducting ring enclosing the aluminum fan, a permanent magnet disposed within the aluminum fan, a fixing seat for keeping the permanent magnet in position, a sliding seat mounted in the fixing seat and provided with a bearing, a housing, bolts provided on one side of the fixing seat and extending out of the housing, a mounting plate connected with the bolts and a wire connected with the mounting plate such that when the wire is pulled outwards, the permanent magnet will be moved outwards.
REFERENCES:
patent: 2484138 (1949-10-01), Winther
patent: 2771171 (1956-11-01), Schultz
patent: 2983350 (1961-05-01), Schultz
patent: 3627445 (1971-12-01), Andriussi
Halvosa George E. A.
Klein David I.
Rosenberg Morton J.
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