Thermal fuze mechanical disconnect eutectic containment

Details Thermal fuze mechanical disconnect eutectic containment Thermal fuze mechanical disconnect eutectic containment

1978-11-13

1981-06-09

Kannan, Philip C.

192 clutches and power-stop control

Clutches

Operators

64 28R, 192 56R, F16D 1100

Patent

active

042719470

ABSTRACT:
A rotary drive shaft disconnect mechanism which mechanically joins two aligned shafts and which disconnects them in response to the overheating of an eutectic metallic element. This mechanism utilizes a fuze of the type which is composed of a multiple number of structural wires which are maintained in position by the eutectic matrix. The heating of the eutectic matrix removes the lateral or side support from the wires permitting collapse of the eutectic element. The eutectic element is contained within a predetermined cavity within the drive shaft, and is prevented from escaping and contaminating oil which is in the region of the output spline of the shaft. When the shaft is disconnected, a flange moves against a seal to prevent any escape of eutectic material from the region of the shaft and into the cooling oil.

REFERENCES:
patent: 2314227 (1943-03-01), Lieberherr
patent: 3212613 (1965-10-01), Carlson
patent: 3675444 (1972-07-01), Whipple
patent: 3889789 (1975-06-01), Boehringer
patent: 4086991 (1978-05-01), Swadley

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