B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
13/7
B23K 20/00 (2006.01) F02B 23/06 (2006.01) F02B 77/02 (2006.01) F02B 77/11 (2006.01) F02B 1/04 (2006.01) F02B 3/06 (2006.01)
Patent
CA 1187257
-16- Title COMPOSITE INSULATION FOR ENGINE COMPONENTS Abstract Engine components are thermally insulated with composite layers for improved engine efficiency. A metallic insulation layer is affixed to the metallic substrate of each component, and a layer of heat and corrosion resistant metal overlies and is bonded to the insulation layer. One preferred embodiment incorporates a preformed sheet layer of stainless steel sintered to a layer of metallic insulation attached to the component body substrate. An alternate embodiment incorporates a plasma-sprayed stainless steel layer over the insulation layer. A preferred process for making the engine component includes casting the component body in a mold containing a preformed insulation composite formed of a layer of stainless steel sheet sintered to a layer of metallic insulation.
380934
Dana Corporation
Ridout & Maybee Llp
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