Unbalance measuring apparatus

Details Unbalance measuring apparatus Unbalance measuring apparatus

2007-06-26

2007-06-26

Williams, Hezron (Department: 2856)

Measuring and testing

Rotor unbalance

Dynamic

C073S066000

Reexamination Certificate

active

11116041

ABSTRACT:
A bearing41of a support portion4for rotatably supporting a shaft11of a rotating body10to be measured with respect to the magnitude of unbalance thereof is formed into a hollow U-shape and has formed therein an injection port41bfor injecting a gas towards the shaft. As the shaft can be supported and floats without making contact with the bearing by virtue of the gas injected from the injection port, the friction can be made small and, hence, a change in rotational speed can be made small. The number and position of the injection ports are determined as required.

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patent: 2006/0144141 (2006-07-01), Thelen
patent: 2006/0266115 (2006-11-01), Feldmann et al.
patent: 3438333 (2003-06-01), None

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