Temperature-responsive actuator

Details Temperature-responsive actuator Temperature-responsive actuator

1981-06-29

1983-07-05

Casaregola, Louis J.

Power plants

Combustion products used as motive fluid

Combined with regulation of power output feature

60527, F02C 7042

Patent

active

043910939

ABSTRACT:
The invention comprises an actuator for positioning a controllable element and having first and second thermally expandable members, the first member is fixedly connected at one end to a supporting member and at the other end to one end of the second member. Means are provided for directing a flow of fluid in contact with both expandable members. Means for restricting the flow of fluid in contact with one of the members in a first mode of operation are provided and are effective for increasing the initial relative differential thermal expansion between the two members. The means also enables relatively unrestricted flow of the fluid in a second mode of operation for decreasing the relative differential thermal expansion. Thusly, the response and the compensation capability of the actuator are enhanced.

REFERENCES:
patent: 2373324 (1945-04-01), Martin
patent: 2494660 (1950-01-01), Kathe
patent: 3377799 (1968-04-01), Geyer
patent: 3628329 (1971-12-01), Spencer

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