Impeller for fluid transmitting system
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United States of America Patent
Stats
-
Nov 16, 2004
Grant Date -
Jan 1, 2004
app pub date -
May 21, 2003
filing date -
May 21, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an impeller for a fluid transmitting device, a cylindrical section is integrally formed at an inner peripheral edge of a shell and bent axially to extend through an inner periphery of a retainer plate, and a brazing material sump is provided between an outer peripheral surface of the cylindrical section and an inner peripheral surface of the retainer plate. The cylindrical section is fitted over an outer peripheral surface of a hub and welded to the hub on a side of an outer surface of the shell. Thus, even if a positioning flange is eliminated from the hub, the shell can be supported on the hub at an appropriate attitude, and it is possible to prevent a welding defect between the shell and the hub due to melting of a brazing material between the shell and the retainer plate.
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