| 单词 | rocker arm |
| 释义 | > as lemmasrocker arm rocker arm n. Mechanics a rocking lever in an engine; esp. one in an internal combustion engine which serves to work a valve and is operated by a pushrod from the camshaft. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > parts of > valves > devices which operate throttle1838 rocker arm1850 timing gear1885 rocker1915 valve train1955 1850 U.S. Patent 7,413 2/1 There is a pawl..attached to the head of one of the rocker arms operating on the ratchet wheel. 1860 D. K. Clark & Z. Colburn Recent Pract. Locomotive Engine 67/1 The block..is carried upon the upper end of an arm, attached to, and vibrating upon the lower end of the rocker-arm. 1907 W. G. Wallace Art of Railroading V. 244 When the rocker arms are of equal length the travel of the valve is equal to the throw of the eccentric. 1909 Horseless Age 10 Nov. 520/1 The cylinders of the several models are cast in pairs, with valves in the head operated through rocker arms from separate cam shafts on either side of the motor. 1928 Evening News 18 Aug. 1/3 Baron d'Erlanger's Lagonda broke a valve rocker arm, and had to retire. 2005 J. MacGregor Sunday Money p. xiv ‘Live and die by your lists,’ a tuner told me once, sweat pouring off his chin onto the rocker arms of an engine. < as lemmas |
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