Hermetic clutch

Details Hermetic clutch Hermetic clutch

1977-09-19

1980-04-08

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 86, 310105, H02K 4900

Patent

active

041974743

ABSTRACT:
An improved hermetic clutch for driving a shaft and adapted for securement to a non-rotating supporting structure includes first and second elongate annular members, the second being concentrically disposed within the first with the shaft coupled to one of the members for rotation therewith. Means are provided for electromagnetically coupling the members for imparting rotation to the one member upon mechanical rotation of the other. The assembly also includes a "can"-shaped hermetic seal disposed between the two members and fixedly secured at its open end to the supporting structure, and means mechanically coupled to the stationary support and the seal for preloading the seal in axial tension to enhance the structural integrity thereof. Means are also provided for supporting each of the members for rotation relative to the seal, and for maintaining concentricity therebetween.

REFERENCES:
patent: 3027472 (1962-03-01), Galtz et al.
patent: 3050646 (1962-08-01), Eddy et al.
patent: 3051858 (1962-08-01), McCown et al.
patent: 3157808 (1964-11-01), Lloyd
patent: 3254248 (1966-05-01), Hagen

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