Fluid reaction surfaces (i.e. – impellers) – Having lubricating – sealing – packing or specific bearing...
Patent
1976-05-04
1977-11-22
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Having lubricating, sealing, packing or specific bearing...
416180, 416224, 416DIG3, F04D 2904
Patent
active
040593657
ABSTRACT:
A method of manufacturing a hydraulic torque converter impeller member and the product of such manufacture in which a hardened steel cylindrical bearing is assembled to a drawn hub portion of a generally annular sheet metal part to comprise a torque converter impeller comprising the steps of (1) semidrawing the part to include a partly drawn hub portion, (2) placing a hardened cylindrical bearing in a die mechanism, (3) assembling the generally annular part into the die mechanism with the hub portion engaged in the cylindrical bearing (4) drawing and extruding the hub by moving an object the size of the desired finished inside diameter of the hub through same whereby the hub is formed and forced against the bearing member with sufficient force to make a permanent connection between the hub and bearing, and (5) trimming the excess material from the outer end of the hub portion to conform same to the dimensions of the cylindrical bearing.
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patent: 3786555 (1974-01-01), Robertson et al.
patent: 3894331 (1975-07-01), Ragettli
patent: 3981068 (1976-09-01), Ivey et al.
Braybrook Kenneth Albert
Ivey John Saxon
Borg-Warner Corporation
Powell Jr. Everette A.
Zieg Robert L.
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