B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/94
B41J 9/38 (2006.01) B41J 9/127 (2006.01) H01F 7/08 (2006.01)
Patent
CA 1186944
ELECTROMAGNETIC PRINT HAMMER COIL ASSEMBLY Abstract of the Disclosure A heat exchange system for an electromagnetically operated print hammer of a print hammer bank provides internal and external heat transfer for the operating windings. A non-magnetic metal bobbin of the heat exchange system provides conductive transfer of heat from the interior of the operating winding to the magnetic core. Flat parallel plates of magnetic material are attached to the sides of the operating winding for external heat transfer and magnetic flux shielding. The plates may have multiple lamin- ations having different saturation and permeability characteristics.
414914
Lee Ho C.
Rickenbach David H.
Wolfert Gerhard A.
Zable Jack L.
International Business Machines Corporation
Kerr Alexander
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