Low voltage rotary tap changer

Details Low voltage rotary tap changer Low voltage rotary tap changer

1984-06-07

1985-08-06

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

200 11B, H01H 2162

Patent

active

045337977

ABSTRACT:
A low voltage tap changer including a dielectric base fabricated from flat insulating sheet, a number of control decks mounted on the base, each deck including a corresponding number of cylindrical contacts, a continuous insulating shaft extending through each of the decks and being mounted for rotary motion with respect thereto, a number of pairs of curved contacts formed from flat copper sheet, mounted on the shaft and being positioned to engage the contacts, each of the pairs being self-aligning and biased to operatively engage the contacts and a Geneva drive assembly for rotating the shaft in a step-by-step manner and for locking the shaft in each position.

REFERENCES:
patent: 2918541 (1959-12-01), Waite
patent: 2921996 (1960-01-01), Dulude
patent: 3177307 (1965-04-01), Weber et al.
patent: 3192328 (1965-06-01), Wilson, Jr.
patent: 3597559 (1971-08-01), Van Riemskijk
patent: 4412116 (1983-10-01), Golub
Luoma, R. W., IBM Tech. Disc. Bull., vol. 14, No. 3, Aug. 1971, "Geneva Mechanism", p. 797.

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