Temperature limiting apparatus for elevator controls

Heat exchange – With retainer for removable article – Electrical component

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Details

622592, 187100, 361699, 361707, H02B 100, B66B 100

Patent

active

052714551

ABSTRACT:
A temperature regulated control arrangement for an elevator controller includes a mounting panel and at least one semiconductor electrical device attached to the mounting panel. The panel is at least partly thermally conductive and is mounted on a housing which defines at least partly a fluid passageway. Couplings connect liquid conduits to the passageway, and the conduits communicate a liquid to and from the passageway. The volume of liquid in the passageway is sufficient to absorb enough heat to keep the semiconductor devices within their operating temperature limits for a period of time even after failure of the liquid circulating system.

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patent: 5057968 (1991-10-01), Morrison

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