FORCE ACCUMULATOR FOR AN ON-LOAD TAP CHANGER
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United States of America Patent
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Issued Date -
Jun 18, 2015
app pub date -
Jul 30, 2013
filing date -
Aug 28, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a force accumulator for an on-load tap changer. The force accumulator has a first gear arranged on a rotatable drive shaft. The first gear drives a crank by means of at least one additional gear. The crank is mechanically connected to an elastic element, which can be tensioned when a drive element is heated up. An output element can be triggered after the elastic element has been tensioned and swivels abruptly. The drive element is a rocker. The rocker has a first rocker roller and a second rocker roller, which alternately actuate a first pawl and a second pawl. A first detent position and a second detent position are associated with the first pawl on the output element and likewise a first detent position and a second detent position are associated with the second pawl on the output element, such that the first pawl and the second pawl are alternately in the first detent position and in the second detent position, in dependence on the position of the rocker.
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