Measuring and testing – Rotor unbalance – Dynamic
Reexamination Certificate
2005-01-11
2005-01-11
Williams, Hezron (Department: 2856)
Measuring and testing
Rotor unbalance
Dynamic
C073S001840, C702S056000
Reexamination Certificate
active
06840104
ABSTRACT:
Measurement is made of centrifugal force produced on a crankshaft to be tested that is being rotated about its rotation axis, to provide centrifugal force variation information of the crankshaft. Also, measurement is made of errors in respective rotational phases of crankpins of the crankshaft about rotation axes of the crankpins. Dummy information, comprising rotational unbalance data representative of rotational unbalance components to be removed from the centrifugal force variation information of the crankshaft, is created using the measured errors in the respective rotational phases. Then, an initial rotational unbalance value of the crankshaft is determined, using the dummy information and the centrifugal force variation information of the crankshaft.
REFERENCES:
patent: 3681967 (1972-08-01), Hines et al.
patent: 4646570 (1987-03-01), Schoenfeld
patent: 6595052 (2003-07-01), Wharton
patent: 20010020387 (2001-09-01), Miura
Makin Joseph
Miura Hiroki
Tamura Eiji
Yamazaki Yasunori
Hanley John
Honda Giken Kogyo Kabushiki Kaisha
Standley Law Group LLP
Williams Hezron
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