| 单词 | friction-brake |
| 释义 | > as lemmasfriction-brake friction-brake n. see quots.: also, a brake operating by means of friction. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > brake > types of friction-brake1874 hydraulic brake1874 band-brake1889 magnetic brake1899 strap brake1902 solenoid brake1914 anti-lock1968 1874 E. H. Knight Pract. Dict. Mech. I. 915/2 Friction-brake, a form of dynamometer invented by Prony, in which a pair of friction-blocks are screwed to a journal rotating at a given speed. 1879 W. Thomson & P. G. Tait Treat. Nat. Philos. (new ed.) I: Pt. i. §436 White's friction brake measures the amount of work actually performed in any time by an engine or other ‘prime mover’, by allowing it during the time of trial to waste all its work on friction. 1884 E. H. Knight Pract. Dict. Mech. Suppl. 357/1 Friction Brake..2 A measurer of the lubricity of oils. < as lemmas |
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