Shaft cooler for a tool motor spindle
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United States of America Patent
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Apr 1, 2014
Grant Date -
Oct 7, 2010
app pub date -
Nov 4, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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Abstract
A shaft cooler (1) for a tool motor spindle (2), which has a rotating shaft (3), a static lance (4), and at least one coolant loop (7), which comprises a coolant inlet (5) and a coolant outlet (6), said shaft cooler being implemented such that the flow of the coolant from the static lance (4) into the rotating shaft (3) is performed via a flow path that includes radially-extending cooling holes (31) to cause the coolant to flow from a radially inside location to a radially outside location.
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