Thermal linear actuator

Details Thermal linear actuator Thermal linear actuator

1982-06-21

1984-03-06

Duggan, Donovan F.

Electrical generator or motor structure

Non-dynamoelectric

Thermal or pyromagnetic

318117, H02N 1000

Patent

active

044356650

ABSTRACT:
A thermal linear actuator assembly comprises, a plurality of primary linear expansion members, a plurality of secondary linear expansion members having a substantially different coefficient of expansion to that of the primary members, the primary and secondary members being alternately arranged in a side-by-side array and serially connected at opposite ends thereof, the array including first and last members each having a free end for attachment to opposite actuator attachment points whereby the thermal linear motion of the free ends in use is proportional to the total summed length of all members of the array.

REFERENCES:
patent: 3138749 (1964-06-01), Stibitz
patent: 3439199 (1969-04-01), Bergstrand et al.
patent: 3460015 (1969-08-01), Hines

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