Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Impeller-turbine type fluid circuit in series with planetary...
Reexamination Certificate
2005-01-25
2005-01-25
Bonck, Rodney H. (Department: 3681)
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Impeller-turbine type fluid circuit in series with planetary...
C475S346000, C475S347000, C475S348000, C192S055100, C192S055600, C192S207000, C290S04000F, C464S100000, C074S4120TA, C074S414000, C074S415000, C074S42100R, C074S42100R
Reexamination Certificate
active
06846258
ABSTRACT:
There is provided a planetary reduction gear10between a gas turbine1and a generator5.The planetary reduction gear includes elastic deformation unit12on an output side, and for the elastic deformation unit, a strain energy within an elastic limit is set to be larger than a fluctuation torque energy of the generator of a momentary voltage drop time. The elastic deformation unit12includes an elastic member which elastically connects an output shaft10aof the planetary reduction gear to an outer ring10b.Thereby, when an excessive torque is generated in the generator by a momentary voltage drop, service interruption, and the like for a short time, it is possible to maintain the operation of a power generation facility, and secure a power supply of an important load, and an installation length is shortened and the facility can be downsized.
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Bonck Rodney H.
Griffin & Szipl, P.C.
Ishikawajima-Harima Heavy Industries Co. Ltd.
Le David D.
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