Stamped pilot welded to a cover

Details Stamped pilot welded to a cover Stamped pilot welded to a cover

2011-08-16

2011-08-16

Lazo, Thomas E (Department: 3745)

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

Reexamination Certificate

active

07997072

ABSTRACT:
A torque converter including a cover having a central longitudinal axis and an outer surface and a pilot stamped from metal. The pilot includes a disc at least partially radially aligned with the axis for the cover. The pilot and the cover central axis are fixedly secured to each other. In a first embodiment, the disc is flat. In a second embodiment, the disc is annular. In a third embodiment, the pilot includes a machined outer circumferential surface. In a fourth embodiment, the pilot includes first and second portions radially off-set with respect to one another. In a fifth embodiment, the pilot includes a portion axially extending from the portion of the disc at least partially radially aligned with the axis for the cover. In a preferred embodiment, the cover and pilot are fixedly secured by welding.

REFERENCES:
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patent: 4502279 (1985-03-01), Fuehrer
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patent: 6662446 (2003-12-01), Yamanaka et al.
patent: 7083029 (2006-08-01), Seebacher et al.
patent: 2004/0250594 (2004-12-01), Schwenk
patent: 2006/0016661 (2006-01-01), George et al.

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