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单词 paternoster pump
释义

Definition of paternoster pump in English:

paternoster pump

noun

  • A kind of chain-pump in which a succession of discs or rags is fixed to an endless chain that passes upwards through a tube whose lower end is in water, the discs or rags forming a seal against the tube so that they lift water up inside it.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.

 
 

Definition of paternoster pump in US English:

paternoster pump

noun

  • A kind of chain-pump in which a succession of discs or rags is fixed to an endless chain that passes upwards through a tube whose lower end is in water, the discs or rags forming a seal against the tube so that they lift water up inside it.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.

 
 
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更新时间：2024/12/23 18:42:20