Ball bearing turbocharger balancer

Details Ball bearing turbocharger balancer Ball bearing turbocharger balancer

2006-08-24

2008-08-26

Chapman, John E (Department: 2856)

Measuring and testing

Rotor unbalance

Propeller, impeller, or fluid coupling

C073S476000

Reexamination Certificate

active

07415878

ABSTRACT:
An exemplary method for balancing a rotating assembly of a turbocharger, where the rotating assembly includes a shaft rotatably supported by a bearing cartridge, includes loading the rotating assembly to introduce a tilt between the rotational axis of an inner race of the bearing cartridge and a bore axis of an outer race of the bearing cartridge, rotating the inner race with respect to the outer race at a rotational speed less than approximately 5,000 rpm while maintaining the tilt at substantially constant angle and measuring dynamic unbalance of the rotating assembly. Various other exemplary devices, systems, methods, etc., are also disclosed.

REFERENCES:
patent: 4930348 (1990-06-01), Bandhopadhyay et al.
patent: 4976147 (1990-12-01), Okochi et al.
patent: 5610332 (1997-03-01), Tornquist et al.

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