Spring structure for a thermionic converter emitter support arra

Details Spring structure for a thermionic converter emitter support arra Spring structure for a thermionic converter emitter support arra

1990-06-05

1992-03-17

Wasil, Daniel D.

Spring devices

Bendable along flat surface

Ring or annular spider

F16F 134

Patent

active

050961675

ABSTRACT:
A support is provided for use in a thermionic converter to support an end of an emitter to keep it out of contact with a surrounding collector while allowing the emitter end to move axially as its temperature changes. The emitter end (34) is supported by a spring structure (44) that includes a pair of Belleville springs, and the spring structure is supported by a support structure (42) fixed to the housing that includes the collector. The support structure is in the form of a sandwich with a small metal spring-engaging element (74) at the front end, a larger metal main support (76) at the rear end that is attached to the housing, and with a ceramic layer (80) between them that is bonded by hot isostatic pressing to the metal element and metal main support. The spring structure can include a loose wafer (120) captured between the Belleville springs.

REFERENCES:
patent: 3394631 (1968-07-01), Thompson

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