Crankshaft supporter

Details Crankshaft supporter Crankshaft supporter

2005-09-13

2005-09-13

Hannon, Thomas R. (Department: 3682)

Bearings

Rotary bearing

Plain bearing

C123S1950HC, C029S898049

Reexamination Certificate

active

06942391

ABSTRACT:
A crankshaft supporter having a bearing holder molded in aluminum alloy and having a bearing for supporting a crankshaft. A preform member is cast inside of the aluminum alloy. A screw hole having one opened end is formed in an outer surface of the bearing holder. A concave recess section is formed in the preform member to accommodate a bottom of the screw hole. An introduction passage is provided in the recess section to introduce molten metal therein during casting to prevent blowholes.

REFERENCES:
patent: 4693216 (1987-09-01), Ampferer et al.
patent: 5203854 (1993-04-01), Nilsson et al.
patent: 5769546 (1998-06-01), Wuest
patent: 6543334 (2003-04-01), Yamauchi
patent: 6675763 (2004-01-01), Ratzi et al.
patent: 2003/0116114 (2003-06-01), Rengmyr
patent: 2000-337348 (2000-05-01), None
patent: 2001-071117 (2001-03-01), None
patent: 2002-061538 (2002-02-01), None

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