| 释义 |
Walschaerts Mech.|ˈvæl-, ˈwælʃɜːts, -ʃɑːts|
Also Walschaert.
The name of Egide Walschaerts (1820–1901), Belgian mechanic, used attrib. and in the possessive to designate a kind of valve-gear he invented that was used on some steam locomotives (see quot. 1911).
1880Proc. Inst. Mech. Engineers 435 His arrangement..was simply a modification of the Walschaert gear. 1911Encycl. Brit. XXV. 834/1 A form of radial gear very largely used in locomotives, especially on the continent of Europe, is the Walschaert or Heusinger-Waldegg gear, in which the valve receives its motion in part from the piston cross-head.., and in part from a single eccentric set at right angles to the crank. 1975B. Reed 150 Yrs. Brit. Steam Locomotives vi. 47/1 Other Group three-cylinder classes..had three separate sets of Walschaerts motion with eccentric drive for the inside set. |