F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
F01D 3/00 (2006.01) F01D 25/16 (2006.01) F04D 29/04 (2006.01) F04D 29/12 (2006.01)
Patent
CA 2081327
- 15 - CONTROL SYSTEM FOR REGULATING THE AXIAL LOADING OF A ROTOR OF A FLUID MACHINE ABSTRACT OF THE DISCLOSURE 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. This invention may suitably be used to control the axial thrust free on the rotor shaft of, for example, a gas compressor.
Bear Clayton
Harris Timothy A.
Chisholm P. Scott
Nova Corporation Of Alberta
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