Centrifugal pump

• US 3,130,678 A
• Filed: 04/28/1961
• Issued: 04/28/1964
• Est. Priority Date: 04/28/1961
• Status: Expired due to Term

• Current Assignee: William F. Chenault
• Original Assignee: William F. Chenault
• Inventors: Chenault, William F.
• Application Number:
  US04/107,008
• Time in Patent Office: 1,096 Days
• US Class Current: 415/196
• CPC Class Codes: F04D 29/225 Channel wheels, e.g. one blade or one flow channel
• CPC Class Codes: F04D 29/426 especially adapted for liquid pumps

Claims

1. CENTRIFUGAL PUMP, COMPRISING A PUMP BODY HAVING A SUBSTANTIALLY CIRCULAR DISC-SHAPED CHAMBER THEREWITHIN AND AN INLET OPENING CENTRALLY OF ONE SIDE OF SAID CHAMBER AND AN OUTLET OPENING TANGENTIALLY OF SAID CHAMBER, A SHAFT SEALINGLY AND ROTATIVELY DISPOSED THROUGH A REMOVABLE WALL OF SAID BODY PROVIDED AT THE OPPOSITE SIDE OF SAID CHAMBER FROM SAID INLET OPENING, INCOMPRESSIBLE SPACER MEANS OF PREDETERMINED THICKNESS AT LEAST AS GREAT AS THE LARGEST SIZE OF OBJECTS CARRIED IN THE LIQUID PUMPED BETWEEN SAID BODY AND SAID REMOVABLE WALL TO ADJUST THE EXTENT OF SAID SHAFT INTO SAID CHAMBER, AN IMPELLER CARRIED ON SAID SHAFT WITHIN SAID CHAMBER, SAID PREDETERMINED THICKNESS OF SAID SPACER MEANS ALSO FIXING THE SPACING OF SAID IMPELLER AT ITS OPPOSITE SIDE FROM SAID ONE SIDE OF SAID CHAMBER CONSISTENT WITH THE SIZE OF OBJECTS CARRIED IN THE LIQUID PUMPED, MEANS FOR ROTATING SAID SHAFT TO ROTATE SAID IMPELLER TO CAUSE PUMPING OF LIQUIDS FROM SAID INLET OPENING TO SAID OUTLET OPENING, SAID FIXED SPACING OF SAID IMPELLER FROM SAID ONE SIDE OF SAID CHAMBER PERMITTING PASSAGE OF OBJECTS ENTERING SAID CHAMBER WITH THE LIQUID FROM THE INLET TO THE OUTLET WHEREBY SUCH OBJECTS DO NOT CLOG OR STOP THE PUMP.