1
Myer Jon H: Rotor balancer. Hughes Aircraft Company, May 16, 1972: US3663795 (34 worldwide citation)

A method and apparatus for dynamically balancing rotary bodies while rotating at operating speed. A laser beam is deflected in a circular path by a moving or nutating mirror or refracted by a wobbling lens which is made to move in synchronism with the rotation of the rotary element such that the bea ...


2
Philip C Stein: Permanent automatic rotor balancer for shafts operating above critical speed. Harding Earley & Follmer, October 3, 1978: US04117742 (17 worldwide citation)

A pair of balancing weights are mounted on opposite sides of the center line of the rotor for movement about the axis of the rotor. The weights are automatically locked against movement about the axis of the rotor when the rotor is rotating below critical speed and automatically released for free mo ...


3
Wook Young Soh: Rotor balancer and disk drive having rotor balancer. LG Electronics, Birch Stewart Kolasch & Birch, August 10, 2004: US06775224 (2 worldwide citation)

A rotor balancer and a disk driver having the rotor balancer are disclosed. The rotor balancer simplifies a construction of an auto balancing unit for automatically correcting a rotation unbalance occurring when a disk is rotated and of a mounting unit for accurately mounting the disk. Further, the ...


4
Wallace F Mitchell: Static rotor balancer. Ammco Tools, Edmond T Patnaude, September 20, 1977: US04048858 (1 worldwide citation)

A rotor is suspended from a body member which is mounted by two sets of bearings for substantially free pivotable movement about two orthogonally disposed intersecting axes, the axis of rotation of the rotor intersects the point of intersection of the two bearing axes, and a level indicating device ...


5
Stein Philip C: Dispositif automatique dequilibrage permanent pour rotors excedant la vitesse limite, Permanent automatic rotor balancer for rotors operating above critical speed. Stein Philip C, April 29, 1980: CA1076393

ABSTRACT OF THE DISCLOSURE A pair of balancing weights are mounted on opposite sides of the center line of the rotor for movement about the axis of the rotor. The weights are automatically locked against movement about the axis of the rotor when the rotor is rotating below critical speed and automat ...


6
Permanent automatic rotor balancer for rotors operating above critical speed. Stein P, February 13, 1980: GB1560932-A

A pair of balancing weights are mounted on opposite sides of the center line of the rotor for movement about the axis of the rotor. The weights are automatically locked against movement about the axis of the rotor when the rotor is rotating below critical speed and automatically released for free mo ...


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Tadano Masaya, Ebara Toshiyuki: Compressor. Sanyo Electric, August 24, 1999: JP1999-230073

PROBLEM TO BE SOLVED: To reduce the weight of a rotor balancer, in a compressor for compressing refrigerant in multistages by using a plurality of compression parts. SOLUTION: In a compressor C, an electric motor 2 and a compression element 3 to be driven by the electric motor 2 are provided in a si ...


9
Nishimura Yoshiyuki: Rotor balancer for electric rotating machine. Fuji Electric, April 8, 1994: JP1994-098506

PURPOSE: To make a balancing weight sufficiently strong against centrifugal force even by revolution at high speed, and to shorten dimensions in the axial direction. CONSTITUTION: A conductor such as an aluminum alloy is die-cast to the core 2 of a rotor 1, and an annular shortcircuit ring 3 is form ...


10
Kitamura Shuichi: Balancer for contactless rotating machine. Kitamura Shuichi, January 25, 1994: JP1994-017883

PURPOSE: To provide a contactless rotating machine rotor balancer simple in structure and easy to assemble without increasing leakage area or generating drift to a blade during acceleration/deceleration. CONSTITUTION: A blade side plate 2 for connecting a blade 1 integrally to a rotating center body ...