| 摘要 |
415,244. Centrifugal pumps. HARLAND ENGINEERING CO., Ltd., and WARBURTON, F. G., Alloa, Clackmannanshire. July 4, 1933, No. 18915. [Class 110 (i).] The casing and the bearing bracket of a centrifugal pump are formed with coaxial cylindrical surfaces 3, 7 which engage with bed-plate surfaces 4, 6. Each of the pairs of surfaces are held together by a bolt 10. In a modification the surfaces are spherical.
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