Externally actuated clamping system for transformer windings inc

Details Externally actuated clamping system for transformer windings inc Externally actuated clamping system for transformer windings inc

1975-07-24

1977-02-22

Kozma, Thomas J.

Inductor devices

With supporting and/or spacing means between coil and core

Coil clamps or wedges

269 25, H01F 2730

Patent

active

040094618

ABSTRACT:
An improved clamping device for maintaining clamping pressure in a winding of a power transformer during its useful life. A remotely actuated hydraulic jack, or similar device, is used to initially apply a clamping force to the transformer winding. A spring-loaded mechanical follow-up device maintains the coil clamping force at a relatively fixed value when the remotely activated clamping force is relieved.

REFERENCES:
patent: 1961761 (1934-06-01), Hendricks, Jr.
patent: 3040280 (1962-06-01), Wiederkehr
patent: 3156885 (1964-11-01), Koza
patent: 3344381 (1967-09-01), Koepke

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