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单词 labyrinth packing
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labyrinth packing
labyrinth packing n. Engineering (in turbines) a form of packing used to prevent steam or other fluid leaking along the shafts, consisting of a series of metal rings keyed alternately to the shaft and the housing.
ΚΠ
1909 Minutes Proc. Inst. Civil Engineers 183 25 It was in effect a labyrinth packing on a small scale.
1911 L. C. Loewenstein Centrifugal Pumps v. 166 The effectiveness of this labyrinth packing is based on the expansion of steam in the enlarged spaces.
2008 C. Soares Gas Turbines iii. 80/1 The spring-backed labyrinth packing is fitted to minimize steam leakage.
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