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The device which detects the interval of the car interior wall which surrounds the rotor blade and the rotor blade in the fluid machinery
The device which detects the interval of the car interior wall which surrounds the rotor blade and the rotor blade in the fluid machinery
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机译：检测围绕流体机械中的转子叶片和转子叶片的轿厢内壁的间隔的装置
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摘要
The gas turbine (10) as for the device 1 in rotor blades (14) with the car interior wall (111) with interval ( x) detecting at least, in order the electromagnetic wave (31 and 32) to guide and the rotor blade (14) that rotor blade (14) directing the waveguide mouth 1 where it faces (41) through at least, the electromagnetic wave (31) the wave guide in order to transmit (40) with, the wave guide (40) the electromagnetic wave (31) the electromagnetic wave which in order to supply one expedient (51) with, the wave guide (40) is supplied at least (31) Reflected amount (32) in order to receive one expedient (52) with it has possessed at least. This detection device has furthermore the wave guide (40) the electromagnetic wave which is supplied (31) the reflected amount which is received (32) the appraisal device in order to appraise (60), this appraisal device the electromagnetic wave which is supplied (31) is supplied the electromagnetic wave which (31) reflected amount (32) the expedient which is compared with phase (61) has phase, with that appraisal device phase relative value is required in all frequencies, interval ( x) is decided from contrast of that phase relative value. The wave guide (40) two which was formed with the material which differs respectively wave guide segments (42a, 42b and 42c) it consists at least, heat resistance and the electromagnetic wave of those materials (31 and 32) the attenuation characteristic for, transmission reception expedient (51 and 52) the segment which is connected (42c) from the waveguide mouth (41) the segment which it possesses (42a) has increased in direction. Selective figure Figure 3
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