Planetary gear transmission systems or components – With transmission cooling or heating means
Reexamination Certificate
2007-06-18
2010-10-26
Estremsky, Sherry L (Department: 3655)
Planetary gear transmission systems or components
With transmission cooling or heating means
C074S607000
Reexamination Certificate
active
07819769
ABSTRACT:
An axle assembly that includes an axle housing assembly, a differential disposed in the axle housing assembly, an input pinion, a pair of axle shafts and a heat sink. The input pinion is coupled to the axle housing assembly and is configured to transmit a rotary input to the differential. The axle shafts are coupled to the differential and housed in the axle housing assembly. The heat sink is coupled to the axle housing assembly and is formed of a material having a thermal conductivity that is greater than that of the axle housing assembly. The heat sink does not consist entirely of a chrome plating, a zinc plating or a cadmium plating. A cover for an axle assembly is also provided.
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Written Opinion for International Application No. PCT/US2008/064219, dated Dec. 22, 2009.
Beutler Kevin R.
Borowiak James P.
Hilker Gregory J.
Patil Rajendra D.
Rea Jeffrey E.
American Axle & Manufacturing Inc.
Estremsky Sherry L
Harness & Dickey & Pierce P.L.C.
Young Edwin A.
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