F - Mech Eng,Light,Heat,Weapons – 03 – B
Patent
F - Mech Eng,Light,Heat,Weapons
03
B
103/121, 138/32.
F03B 3/02 (2006.01) F03B 11/04 (2006.01)
Patent
CA 1211340
ABSTRACT OF THE DISCLOSURE In a hydraulic machine including a vertical shaft, a runner secured to an end of the vertical shaft, a runner chamber defined by an upper cover and a lower cover to encase the runner to be rotatably, and a spiral casing provided around the runner chamber, a vibrating member is provided in a portion of the runner chamber to be vibrated in resonance with the runner when the runner is operated in the runner chamber. With the provision of the vibration member, the natural vibration frequency of the runner can be controlled as desired.
457824
Fetherstonhaugh & Co.
Kabushiki Kaisha Toshiba
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