Rotary kinetic fluid motors or pumps – Bearing – seal – or liner between shaft or shaft sleeve and...
Reexamination Certificate
2007-01-09
2007-01-09
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Bearing, seal, or liner between shaft or shaft sleeve and...
Reexamination Certificate
active
10972825
ABSTRACT:
An exemplary thrust collar for a turbocharger includes a substantially annular body that includes an axis of rotation, a bore, opposing end surfaces where one of the end surfaces is substantially normal to the axis of rotation and capable of seating a back end of compressor wheel, and a surface disposed in the bore where the surface is substantially normal to the axis of rotation and capable of seating a surface of a turbocharger shaft. The axial distance between the end surface for seating a back end of a compressor wheel and the surface disposed in the bore for seating a surface of a turbocharger shaft is selected to improve balancing of a rotating assembly. Various other exemplary devices, systems, methods, etc., are also disclosed.
REFERENCES:
patent: 3494679 (1970-02-01), Burdette
patent: 4986733 (1991-01-01), Fleury et al.
patent: 6220829 (2001-04-01), Thompson et al.
patent: 6669372 (2003-12-01), Martin
patent: 6896479 (2005-05-01), Svihla et al.
patent: 7001155 (2006-02-01), Cabrales et al.
patent: 58098629 (1983-06-01), None
International Search Report, 3 pages.
Allen John F.
Louthan Gary R.
Honeywell International , Inc.
James Chris
Look Edward K.
Pangile Brian
White Dwayne J
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