Liquid ring pump

Details Liquid ring pump Liquid ring pump

1978-12-11

1981-06-16

Croyle, Carlton R.

Pumps

Alternate series or parallel operation of plural pumps

415119, 417 68, 417244, F04B 2304, F04C 1900

Patent

active

042735157

ABSTRACT:
An improved liquid ring pump includes an impeller having a prime number of radial blades, preferably thirteen, which reduce pump noise and vibration by eliminating subharmonics due to blade pairing.

REFERENCES:
patent: 2381700 (1945-08-01), Smith
patent: 3217975 (1965-11-01), Jennings
patent: 3228587 (1966-01-01), Segebrecht
patent: 3285502 (1966-11-01), Wooden
Think Quiet by J. M. Diehl, reprinted from Compressed Air, copyright 1971, only one sheet which contains FIG. 28.
Inter-Noise 72, Produced from the Proceedings of the International Conference on Noise Engineering of Oct. 4-6, 1972, pp. 154-156.

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