F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
F - Mech Eng,Light,Heat,Weapons
04
D
103/104, 103/14
F04D 1/02 (2006.01)
Patent
CA 1082986
ABSTRACT OF THE DISCLOSURE A reversible turbine pump for producing bi- directional liquid flow wherein there is provided a housing having a substantially annular outer wall and top and bottom walls closing the ends of the outer wall. Within the housing there is a rotatable impeller having an annular series of blades extending outwardly and forming with the wall a toroidal space. First and second spaced outlet openings are provided in the housing and also first and second circumferentially spaced channels between the impeller and each of the outlet openings in liquid flow communication with the toroidal space. A dam is located between the channels. An inlet opening is located in each of the channels. Each of the inlet openings has a flapper check valve arranged to open and permit liquid to flow through the inlet opening in one direction of rotation of the impeller and close to prevent the flow of liquid through the opening in the opposite direction of rotation of the impeller, one of the flapper check valves being open when the other is closed during impeller rotation. The inlet openings are dimensioned such that flow of liquid through the opening is in a volume greater than the capacity of the impeller to move the liquid through the toridal space. There is also provided a liquid reservoir to supply liquid to the inlet openings in a volume at least equal to the inlet opening liquid flow through volume.
301067
Company General Electric
Eckersley Raymond A.
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