| 单词 | to run idle |
| 释义 | > as lemmasto run idle b. Of machinery. to run idle, to run loose, without doing work or transmitting power. idle wheel n. (also idle-wheel) †(a) a safety-wheel to come into operation in case of the ordinary wheel breaking down; (b) an intermediate wheel used for connecting two geared wheels when they cannot be brought sufficiently near to gear directly, or when it is necessary that the ‘follower’ should revolve in the same direction as the ‘leader’, which would not be the case if they geared directly. idle pulley, the loose pulley of the ‘fast-and-loose pulley’ arrangement. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > [adjective] > idling idle1805 idling1936 society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > other wheels well wheel1535 rundle1611 rown-wheel1688 walking wheel1730 side wheel1731 tirl1793 rigger1797 idle wheel1805 vane1842 Gypsy1850 air wheel1860 wind-wheel1867 sprocket1879 friction-wheel1888 Geneva wheel1891 idler1899 society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > intermediate idle wheel1805 Marlborough wheel1841 idler1875 society > occupation and work > equipment > machine > render mechanical [verb (intransitive)] > of machine: operate > idle to run idle1873 society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > pulleys pulleya1586 tension-roller1835 idle pulley1873 jockey-pulley1893 1805 W. Milton Specif. Patent 2890 As near..to each active wheel as a workman may think proper, low, strong idle wheels..are to be placed..ready in case of an active wheel coming off, or breaking, or an axle-tree failing, to catch the falling vehicle. 1842 R. Willis Princ. Mechanism 205 If a wheel A be placed between two other wheels C and B it will not affect the velocity ratio of those wheels..but it does affect the directional relation; for..in consequence of the introduction of the intermediate axis of A, B and C will revolve in the same direction. Such an intermediate wheel is termed an idle wheel. 1873 C. P. B. Shelley Workshop Appliances (1885) 187 The wheel which is always in gear with the pinion is brought also into gear with the backshaft wheel, the second wheel running idle. 1873 C. P. B. Shelley Workshop Appliances (1885) 239 The central pulley is ‘idle’, that is to say it runs loose upon the shaft. 1875 E. H. Knight Amer. Mech. Dict. II. 1171/2 Another description of idle-wheel..is [a wheel] caused to rest upon a belt to tighten it, to perfect its adhesion to the band-wheels over which it runs. 1884 F. J. Britten Watch & Clockmakers' Handbk. (new ed.) 124 An idle wheel introduced causes the follower to rotate in the same direction as the driver. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。