Centrifugal pump

Details Centrifugal pump Centrifugal pump

1981-07-02

1989-05-02

Hornsby, Harvey C.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Specific casing or vane material

415206, F01D 2524

Patent

active

048264016

ABSTRACT:
Centrifugal pump adapted for pumping finely particulate slurries, comprising a steel housing having an inlet and an outlet and a volute therebetween, a motor mounted on the housing, and an impeller rotatably driven within the volute by the motor for pumping fluid through the housing along a flow path extending through the volute and between the inlet and outlet, the pump having surfaces conditioned against erosive wear along the flow path comprising iron carbide and iron boride formed in situ locally at pump steel surfaces subject to erosive wear.

REFERENCES:
patent: 1912408 (1933-06-01), Schelhammer
patent: 2090162 (1937-08-01), Tighe
patent: 3318254 (1967-05-01), Palmberg et al.
patent: 3637320 (1972-01-01), Wakefield et al.
patent: 3764373 (1973-10-01), Speirs et al.
patent: 3795494 (1974-03-01), Hordon
patent: 3801353 (1974-04-01), Brill-Edwards
patent: 3842921 (1974-10-01), Dill et al.
patent: 4052133 (1977-10-01), Yeater
patent: 4120605 (1978-10-01), Hurst
patent: 4202654 (1980-05-01), Marlow
Rengstoriff, G. W. P. Bever, M. B., Floe, C. F., Metal Progress, "The Carbonitriding Process of Case Hardening Steel", Nov. 1949, p. 651.

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