| 单词 | screw compressor |
| 释义 | > as lemmasscrew compressor screw compressor n. †(a) a device compressor in which the pressure is adjusted by turning a screw (obsolete); (b) a device in which the rotation of one or more helically ridged components is used to channel and compress a fluid; esp. (in later use) a device of this kind employing two such components which interlock and turn in opposite directions. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > [noun] > compressor screw compressor1849 compressor1874 1849 Rep. Colonel of Ordnance in U.S. Congress. Serial Set (31st Congr., 1st Sess.: House of Representatives Executive Doc. 5) III. i. 397 The largest diameter is about fifteen inches; screw-compressors attached to the top of the roller, permit an easy adjustment. 1867 C. W. Eliot & F. H. Storer Man. Inorg. Chem. iv. 25 The U tube is first completely filled with mercury, and then the screw-compressor..is opened so as to afford a gradual exit to the metal in the open limb. 1888 Sheffield & Rotherham Independent 4 Dec. 6/6 A jockey-weight running on the main lever forms the weighing apparatus, and a hydraulic ram, worked by a quiet screw compressor, takes up the deformation of the specimen. 1958 S. Afr. Mining & Engin. Jrnl. 69 243/1 The rotary screw compressor is built on the principle of an invention made by Professor A. Lysholm of Stockholm. 2003 A. Kovacevic et al. in R. L. Elder et al. Adv. of CFD in Fluid Machinery Design x. 171 Screw compressors are rotary positive displacement machines of simple design capable of high-speed operation. < as lemmas |
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