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单词 snifting pipe
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snifting pipe
snifting valve, a valve through which air may be expelled from the cylinder of a condensing steam-engine. So †snifting clack, snifting pipe.
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society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > valves > for expelling air
snifting clack1744
snifting pipe1744
snifting valve1744
eduction1839
tail-valve1839
(a)
1744 J. T. Desaguliers Course Exper. Philos. II. 474 This is call'd the Snifting Clack, because the Air makes a Noise every time it blows thro' it, like a Man snifting with a Cold.
1812 Smeaton Rep. I. 227 The steam, finding a passage at the snifting clack..blows out thereat.
1873 H. Evers Steam & Steam Engine iii. 50 A valve to preserve the vacuum, which valve, from the peculiar noise it made, was called the snifting valve, or snifting clack.]
(b)1759 H. Wood Brit. Patent 739 2 If the hot air be driven into the cylinder with a force superior to the pressure of the atmosphere, that force will drive out the condensed air through what is now called the snifting pipe.(c)1797 J. Robison in Encycl. Brit. XVII. 748/1 The steam from the boiler will immediately rush in, and..will begin to open the snifting-valve.1846 A. Young Naut. Dict. 302 The tail-valve, or snifting-valve, is at the opposite side of the air-pump from the condenser.1878 R. H. Thurston Hist. Steam-engine 138 A snifting-valve, k, opens when the engine is blown through.
extracted from sniftingadj.
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