Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1976-10-06
1978-04-18
Budd, Mark O.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 92, 310 93, 192113A, H02K 900
Patent
active
040853446
ABSTRACT:
A magnetic particle apparatus having spaced relatively movable members with magnetic particles positioned therebetween and electromagnetic field producing mechanism to generate a magnetic field between the relatively movable members through the magnetic particles to establish coupling therebetween, the improvements to such apparatus being embodied in an improved cast iron construction for many parts of the subject apparatus, a more efficient safer apparatus, improved apparatus for circulating cooling air through and closely adjacent to the heat producing components to dissipate heat generated while providing support for the drive cylinder and maintaining the magnetic particles in their most advantageous positions, an improved magnetic gap construction which minimizes flux leakage and increases operating efficiency, including a saturable bridge which enables use of a bobbin of one-piece construction without shunting out flux, and the present construction includes structural members arranged to form a circuitous passage for the flow of cooling air through the device so that the cooling air comes into contact with and moves into contact with more different surfaces in the present device to produce more efficient cooling. The present construction also lends itself to modular design of a relatively compact construction which have important structural and operational advantages and enable the present construction to be mounted in smaller spaces and in places where access is limited. The present construction also lends itself to being constructed for use in magnetic particle brakes as well as in magnetic particle clutches.
REFERENCES:
patent: 2791308 (1957-05-01), Barrett et al.
patent: 2795711 (1957-06-01), Miller
patent: 2885045 (1959-05-01), Barrett
patent: 3076109 (1963-01-01), Cohen et al.
patent: 3208567 (1965-09-01), Metzger
patent: 3382384 (1968-05-01), Hulls
patent: 3394278 (1968-07-01), Schetinin
patent: 3748507 (1973-07-01), Sieber
patent: 3761748 (1973-09-01), Baumann
patent: 4009405 (1977-02-01), Gleichman
Budd Mark O.
Haverstock Charles B.
W. J. Industries, Inc.
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