| 单词 | ring gear |
| 释义 | > as lemmasring gear ring gear n. Engineering a gear in the form of a ring, having teeth on its inner circumference; (in later use) such a gear or (later) any gear on the flywheel of an internal combustion engine which is driven by the pinion of a starter motor, so communicating power from the motor to the engine. ΚΠ 1854 U.S. Patent 11,631 2/2 Constructing the feeding-wheel [of a sewing machine] in the form of a toothed annulus or ring gear. 1918 C. B. Hayward Automobile Ignition, Starting, & Lighting (new ed.) 491 When the operator pushes a foot pedal or pulls a lever, a gear is carried into mesh with a ring gear on the flywheel. 1954 R. H. Cochrane Farm Machinery & Tractors (ed. 2) 116 When starting a tractor or when accelerating, there is a tendency for the driving pinion to climb the ring gear. 2008 Daily News (New Plymouth, N.Z.) (Nexis) 6 Dec. (Features section) 15 He would pull the choke out, turn the key and the ring gear wouldn't mesh and I think he called it a few words. < as lemmas |
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