Pump

• US 3,171,357 A
• Filed: 02/19/1962
• Issued: 03/02/1965
• Est. Priority Date: 02/27/1961
• Status: Expired due to Term

• Current Assignee: Emile Egger
• Original Assignee: Emile Egger
• Inventors: Egger, Emile
• Application Number:
  US04/174,165
• Time in Patent Office: 1,107 Days
• US Class Current: 415/206
• CPC Class Codes: F04D 13/0646 the hollow pump or motor shaft being the conduit for the working fluid
• CPC Class Codes: F04D 29/2244 Free vortex
• CPC Class Codes: F04D 7/04 the fluids being viscous or non-homogenous
• CPC Class Codes: F04D 9/00 Priming; Preventing vapour lock

Claims

1. A DEVICE INCLUDING A ROTARY IMPELLER HAVING AN AXIS ABOUT WHICH IT ROTATES AND FORMING A WALL ROTATING ABOUT SAID AXIS AND EXTENDING RADIALY THEREFROM AND BLADES EXTENDING LATERALLY FROM SAID WALL AND AT AN ANGLE WITH RESPECT TO ITS ROTATING DIRECTION AND ROTATING THEREWITH, STRUCTURE FORMING A CHAMBER LATERALLY OFFSET FROM SAID WALL AND ENTIRELY OPEN THERETO AND TO ALL OF ITS SAID BLADES AND TO FULL CIRCUMFERENTIAL FLOW AND ADAPTED TO CONFINE FLUID WITH SAID WALL AND BLADES IMMERSED THEREIN, THE PORTION OF SAID IMPELLER FACING SAID CHAMBER BEING LATERALLY SPACED FROM THE PLANE OF THE PORTION OF SAID STRUCTURE DISPOSED OPPOSITE THERETO TO FORM A LATERAL CLEARANCE EXTENDING BETWEEN ALL OF SAID PORTION OF THE IMPELLER AND SAID PLANE OF SAID PORTION OF THE STRUCTURE, ROTATION OF SAID IMPELLER NORMALLY CAUSING SAID BLADES WHILE FORCE SAID FLUID TO FLOW IN THE RADIALLY EXTENDING DIRECTION OF SAID WALL LENGTHWISE WITH RESPECT TO SAID BLADES WHILE ROTATING IN THEIR ROTATING DIRECTION AND TO BE DISCHARGED FROM THE BLADES'"'"''"'"' ENDS EXTENDING IN SAID DIRECTION, AND STATIONARY MEANS EXTENDING IN A SUBSTANTIALLY LATERAL DIRECTION ABOUT THE ENTIRE PERIPHERY OF SAID IMPELLER AND LOCATED CONTIGUOUS TO AND SUBSTANTIALLY ENCLOSING SAID ENDS OF THE BLADES FOR DIVERTING SAID FLUID IN A DIRECTION CAUSING AT LEAST A SUBSTANTIAL PORTION THEREOF TO FLOW REVERSELY TOWARDS THE OTHER ENDS OF SAID BLADES IN PATHS OFFSET FROM THE FLOW IN SAID RADIALLY EXTENDING DIRECTION OF SAID WALL BETWEEN THE LATTER FLOW AND FLUID IN SAID CHAMBER, TO FORM A TORUS-LIKE FLOW OF FLUID ROTATING ABOUT SAID AXIS WHILE FORMING RECIRCUITINGLY CONTINUOUSLY LATERALLY WITH RESPECT TO ITS ROTATION AND FORMING IN EFFECT A FLUID IMPELLER ENGAGING THE FLUID IN SAID CHAMBER, SAID STRUCTURE FORMING A FLUID INLET AND OUTLET FOR SAID CHAMBER RESPECTIVELY LOCATED TO PERMIT FLUID TO FEED FROM OUTSIDE OF SAID CHAMBER TO THE FLOW ESTABLISHED BY SAID FLUID TORUS AND TO PERMIT THIS FLOW TO DISCHARGE TO SAID OUTSIDE.