| 单词 | eduction valve |
| 释义 | > as lemmaseduction valve General attributive in sense 5a, as eduction pipe, eduction steam, eduction valve, etc. ΚΠ 1744Eduction-pipe [see sense 5a]. a1792 J. Smeaton Reports (1797) I. 224 The hole I. answers the steam-pipe and regulator; and the hole K. the eduction or sinking pipe. 1829 ‘R. Stuart’ Anecd. Steam Engines II. 374 g.g. Exhausting or eduction valves. 1841 J. S. Russell Treat. Steam-engine 201 The eduction valves, ports, and passages by which the steam enters the condenser. 1859 W. J. M. Rankine Man. Steam Engine (1861) 486 An eduction valve..to let the steam escape to the condenser. 1874 E. H. Knight Amer. Mech. Dict. I. 664/2 This is accomplished by closing the eduction-port a little before the end of the stroke. 1889 Science 22 Feb. 134/2 H H shows the position of the induction, and I I of the eduction valves. 1908 R. Kipling in D. Knight 100 Years Sci. Fiction (1969) 19 A chill greyish-green liquid that drains..through the eduction-pipes and the mains back to the bilges. 1922 Marine Rev. Aug. 357/1 In the jet condenser the exhaust steam is admitted through the eduction pipe. 2000 P. W. B. Semmens & A. J. Goldfinch How Steam Locomotives really Work i. 8 Newcomen found it necessary to sweep the air out of his cylinders by letting the steam drive it out through the ‘eduction pipe’ used to remove the condensate. < as lemmas |
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