Pumps – With condition responsive pumped fluid control – Pumped fluid temperature responsive
Patent
1974-08-22
1976-07-13
Burns, Wendell E.
Pumps
With condition responsive pumped fluid control
Pumped fluid temperature responsive
415141, F04B 4900
Patent
active
039690407
ABSTRACT:
A pump, especially circulating pump, particularly for heating systems, which has a pump wheel rotatably but axially non-displaceably arranged within a housing which has two suction chambers arranged in axial direction of said pump wheel on opposite sides thereof while at least one pressure chamber likewise arranged in the housing extends around the pump wheel and its axis of rotation. The pump wheel has two suction openings located in the vicinity of its axis of rotation at opposite sides thereof while communicating with the respective adjacent suction chamber. The pump wheel also comprises vanes extending radially with regard to its axis of rotation and also comprises a central fluid receiving chamber establishing fluid communication between the two suction openings and adapted to convey fluid to the vanes, while a control member is displaceable in a continuous manner in the fluid receiving chamber in the axial direction of the pump wheel for controlling the inflow of fluid from the suction chambers into the fluid receiving chamber.
REFERENCES:
patent: 1290521 (1919-01-01), Crowhurst
patent: 1607657 (1926-11-01), Whitehead
patent: 2245632 (1941-06-01), Winkler
patent: 2768585 (1956-10-01), Hardy
patent: 3689200 (1972-09-01), Galis et al.
Hamm Falko
Kratz Gunter
Becker Walter
Burns Wendell E.
G. Bauknecht Gesellschaft mit beschrankter Haftung Electrotechni
Reynolds David D.
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