| 单词 |
Ackermann |
| 释义 |
Ackermann, n.|ˈækəmæn|
Also misspelt Ackerman.
[The name of Rudolph Ackermann (1764–1834), German-born coach-builder and publisher.]
Used attrib. with reference to steering systems designed in accordance with the principle (the Ackermann principle) that in order to minimize lateral skid while turning, the extensions of the centre lines of the wheel axles must intersect at the centre of the arc on which the vehicle turns.
1898Judges' Rep. Liverpool Trials Motor Vehicles (Liverpool Self-Propelled Traffic Assoc.) 45 The steering is accomplished by means of a steering handle connected to the pivoted axles..on the well-known Ackermann system. 1902W. W. Beaumont in A. C. Harmsworth et al. Motors x. 211 (caption) Typical Ackerman steering axle. 1906― Motor Vehicles & Motors II. xxxiv. 567 The front wheels run on pivoted axles, the steering being on the Ackermann principle. 1959Motor Manual (ed. 36) v. 100 Translating this requirement into a mechanical linkage between the two wheels might appear to involve considerable complication. Fortunately, there is a simple method (generally known as the Ackerman principle) of achieving it. 1975J. Day Bosch Bk. Motor Car 170 The system is known as Ackermann steering, because Lenkensperger arranged for Rudolph Ackermann, a London bookseller and publisher, to have sole rights to benefit from the invention in England and Wales. 1989Classic & Sportscar Feb. 55/3 The 19th century carriage trade was fairly quick to take up Ackermann steering. |
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