Electric motor with add-on unit, as well as a method for connecting an electric motor and an add-on unit
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United States of America Patent
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Oct 27, 2015
Grant Date -
Nov 22, 2012
app pub date -
Apr 27, 2012
filing date -
Apr 28, 2011
priority date (Note) -
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Abstract
An electric motor with an add-on unit, such as a gearbox unit, encoder unit or controller unit, and disclosed whereby the electric motor and add-on unit can be firmly connected to each other. For a firm connection, a shrink ring is thermally shrunk on to the electric motor and add-on unit in the area of the joint so that the shrink ring covers the joint. A method is also disclosed for producing the connection, wherein a temperature difference is first created between the shrink ring on the one hand and the electric motor as well as add-on unit on the other hand, whereby furthermore the temperature of the shrink ring is greater than the temperature of the electric motor and add-on unit and whereby the components are then joined together and held so that the shrink ring shrinks on to the electric motor and add-on unit.
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