Cross-flow fluid machines and control means therefor

Claim 1

A CROSS FLOW FLUID MACHINE OF THE TYPE COMPRISING A HOLLOW CYLINDRICAL BLADED ROTOR MOUNTED FOR ROTATION ABOUT ITS AXIS; END WALLS SUBSTANTIALLY ENCLOSING THE ENDS OF SAID ROTOR; GUIDE WALL MEANS EXTENDING THE LENGTHS OF SAID ROTOR AND FORMING A SIDE WALL OF AN EXIT DUCT FROM SAID MACHINE; VORTEX FORMING AND STABILIZING MEANS EXTERIOR OF SAID ROTOR FOR FORMING A SUBSTANTIAL CYLINDRICALLY SHAPED FLUID VORTEX WHEN SAID MACHINE IS OPERATED EXTENDING THE LENGTH OF THE ROTOR HAVING A CORE INERPENETRATING THE PATH OF THE ROTATING BLADES WHEREBY FLUID IS MADE TO FLOW FROM A SUCTION SIDE OF SAID MACHINE INTO THE ROTOR THROUGH THE PATH OF THE ROTATING BLADES AND THENCE OUT OF THE ROTOR THROUGH THE PATH OF THE ROTATING BLADES TO THE EXIT DUCT IN A PLANE TRANSVERSE TO THE ROTOR AXIS, AND WHEREBY SAID VORTEX FORMING AND STABILIZING MEANS SEPARATES THE SUCTION SIDE OF SAID MACHINE FROM A PRESSURE SIDE THEREOF; AND VORTEX CONTROL MEANS FOR VARYING THE INTENSITY OF SAID VORTEX WHEREBY THE THROUGHOUT OF FLUID THROUGH SAID MACHINE MAY BE REGULATED.