| 释义 |
magneto, n.|mægˈniːtəʊ|
a. Used colloq. as an abbreviation for magneto-electric machine; spec. one in an internal-combustion engine employing spark ignition.
1882Daily News 27 Jan. 2/1 Various curious forms of early telegraphs are shown,..for instance..Highton's gold-leaf and horseshoe needle, Henley's magneto, and others. 1893Preece & Stubbs Man. Telephony 129 For such a purpose commutated magnetos are made. 1902J. E. Hutton in A. C. Harmsworth et al. Motors viii. 154 The magneto is driven off the main shaft of the engine..by means of a chain. 1929A. Huxley Let. 22 Feb. (1969) 307 At Albengo on the Italian riviera, our magneto suddenly gave out. Short circuit, something fused. 1959Motor Man. (ed. 36) vi. 169 Special equipment is needed to develop the high tension required for ignition... There are two systems. One, commonly known as coil ignition, takes in low tension current from the battery and converts it to high tension. The other depends upon a magneto-electric machine—a magneto, for short—which is driven by the engine and generates high-tension current. 1971Arable Farmer Feb. 49/1 On external types of magneto..the points are normally accessible by removing the end cover.
b. attrib., as magneto ignition, in some internal-combustion engines, ignition by means of a voltage generated by a magneto that is driven by the engine.
1902J. E. Hutton in A. C. Harmsworth et al. Motors viii. 159 The magneto ignition system, which is applied to all the new model motor-engines of M. Mors, consists of a magneto-electric rotary machine, combined with a series of mechanical contact-breakers. 1905Westm. Gaz. 12 Dec. 4/2 The all but universal use of magneto-ignition. c1933E. Molloy Mod. Motor Repair III. 877/1 The distance of the gaps..should be adjusted as accurately as possible to between ·015 to ·018 in.; if the engine is fitted with magneto ignition. 1966McGraw-Hill Encycl. Sci. & Technol. VIII. 52/2 The higher cost of magneto ignition is not warranted in modern automobiles, where storage batteries are required for other electrically operated equipment. |