Pumping system

• US 3,080,820 A
• Filed: 12/19/1958
• Issued: 03/12/1963
• Est. Priority Date: 12/19/1958
• Status: Expired due to Term

• Current Assignee: Scott and Williams Incorporated
• Original Assignee: Lindsay H. Browne
• Inventors: Browne, Lindsay H.
• Application Number:
  US03/781,765
• Time in Patent Office: 1,544 Days
• US Class Current: 417/347
• CPC Class Codes: F04B 43/009 leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
• CPC Class Codes: F04B 43/067 the fluid being actuated directly by a piston
• CPC Class Codes: F04B 43/0736 with two or more pumping chambers in parallel
• CPC Class Codes: F04B 53/142 Intermediate liquid-piston between a driving piston and a driven piston F04B9/10, F04B43/06, F04B43/10 and F04B53/141 take precedence
• CPC Class Codes: G21C 15/243 for liquids
• CPC Class Codes: G21F 7/068 Remotely manipulating devices for fluids
• CPC Class Codes: Y02E 30/30 Nuclear fission reactors

Claims

1. A PUMPING SYSTEM COMPRISING A HOUSING, A MOVABLE DIAPHRAGM HAVING SUBSTANTIAL STIFFNESS, SAID HOUSING COOPERATING WITH SAID DIAPHRAGM TO DEFINE A PAIR OF CHAMBERS ON OPPOSITE SIDES OF SAID DIAPHRAGM, MEANS FOR SUPPLYING A PULSATING FLOW OF LIQUID INTO AND OUT OF ONE OF SAID CHAMBERS, PUMPING MEANS DRIVEN BY LIQUID PRESSURE, AND A CONDUIT FILLED WITH LIQUID AND PROVIDING COMMUNICATION BETWEEN THE OTHER SAID CHAMBER AND SAID PUMPING MEANS, A PORTION OF SAID CONDUIT INCLUDING A STANDPIPE EXTENDING UPWARDLY WITH RESPECT TO SAID DIAPHRAGM, THE LIQUID IN SAID STANDPIPE EXERTING A STATIC PRESSURE HEAD ON SAID DIAPHRAGM AND SAID PUMPING MEANS BEING DRIVEN BY LIQUID PRESSURE COMMUNICATED THERETO THROUGH SAID CONDUIT.