Rotary kinetic fluid motors or pumps – With control means responsive to non-cyclic condition... – By shaft speed or torque responsive means
Patent
1990-03-20
1992-08-25
Look, Edward K.
Rotary kinetic fluid motors or pumps
With control means responsive to non-cyclic condition...
By shaft speed or torque responsive means
415 47, 415105, 415107, 415112, 415 81, 277 3, 277 15, 277 72R, 277 74, F01D 1706
Patent
active
051413892
ABSTRACT:
The axial forces imposed on a rotor of a fluid machine such as a compressor is controlled by modulating the pressure supplied to a piston and cylinder device acting between the rotor shaft and housing. A parameter indicative of axial force on the rotor during operation is monitored and changes in the magnitude and direction of the axial forces countered by varying the pressure in the cylinder. The net axial forces imposed on the shaft may thus be controlled in a predetermined range.
REFERENCES:
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patent: 4309144 (1982-01-01), Eggmann et al.
patent: 4413946 (1983-11-01), Marshall et al.
patent: 4472107 (1984-09-01), Chang et al.
patent: 4578018 (1986-03-01), Pope
patent: 4993917 (1991-02-01), Kulle et al.
patent: 5028204 (1991-07-01), Kulle et al.
Bear Clayton
Harris Timothy A.
Look Edward K.
NOVA Corporation of Alberta
Verdier Christopher M.
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