Pump for central heating system

Details Pump for central heating system Pump for central heating system

1978-09-11

1980-07-22

Gluck, Richard E.

Pumps

Motor driven

Resiliently mounted pump or motor

417369, 237 63, 310 54, F04B 1700, F04B 3500

Patent

active

042137454

ABSTRACT:
A pump for a central heating system having a tubular housing and a motor for driving an axial flow impeller which is mounted within the housing, the motor having casing mounted within the tubular housing, forming a liquid flow passage between the outer surface of the casing and the inner surface of the housing, the motor being adapted to be powered by electricity supply of a frequency greater than 70 Hertz, wherein the impeller is mounted upstream of the motor, and guide vanes are mounted in the annular passage to smooth the flow of liquid from the impeller.

REFERENCES:
patent: 2030367 (1936-02-01), Grave
patent: 2245989 (1941-06-01), Leathers
patent: 2438621 (1948-03-01), Schoedel
patent: 2592471 (1952-04-01), Sawyer
patent: 3103605 (1963-09-01), Russell
patent: 3183384 (1965-05-01), Flaherty et al.
patent: 3320447 (1967-05-01), Banchieri
patent: 3398687 (1968-08-01), Yoshikawa
patent: 3399624 (1968-09-01), Echard et al.
patent: 3461310 (1969-08-01), Pintell
patent: 3611434 (1971-10-01), Jones
patent: 3860858 (1975-01-01), Nola
patent: 3912993 (1975-10-01), Bereisa

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