F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/117
F04D 1/08 (2006.01)
Patent
CA 1039575
ABSTRACT OF THE DISCLOSURE The pump according to the present invention will be used to the best advantage for handling liquids laden with abrasive particles. The impellers of this pump are arranged in a counter- opposed manner on the shaft and rotate jointly with the latter. At the points of impeller mounting the shaft has tapered surfa- ces whose apices face each other while the mating surfaces of the impellers are also tapered. At least one of the tapered surfaces of the shaft is formed by a busing disposed with the provision for moving axially along said shaft for pressing the impellers against the corresponding tapered surfaces of the shaft. This method of mounting the impellers extends considera- bly the service life of the pump.
242378
Letov Nikolai N.
Tatkov Viktor A.
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