IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0553273
(2006-10-26)
|
등록번호 |
US-7681607
(2010-04-21)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Safety Pumping Systems, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
9 |
초록
▼
The present invention is a pump control and distribution system consisting of a pump and reversing flow control valve with a single-handle to control flow direction and flow rate of a liquid. The system can be operated at a rate of 0 to 300 gallons per minute and the flow reversed or stopped with a
The present invention is a pump control and distribution system consisting of a pump and reversing flow control valve with a single-handle to control flow direction and flow rate of a liquid. The system can be operated at a rate of 0 to 300 gallons per minute and the flow reversed or stopped with a single motion of the operating handle. The flow rate of the liquid can be precisely controlled in either direction, along with the liquid pressure. This allows the use of a constant speed pump turning in one direction and gives the operator the ability to control the product transfer regardless of viscosity or volume. A purge valve connected to the outlet of the pump is used to remove substantially all retained liquid in the system after transfer of liquid is complete. The system can be mounted to a vehicle for delivery of bulk liquids.
대표청구항
▼
What is claimed is: 1. An apparatus for distributing a liquid comprising: a pump having an inlet and an outlet; a flow control reversing valve fluidly coupled to the inlet and the outlet of said pump; said reversing valve having a first orifice and a second orifice; said reversing valve having a fi
What is claimed is: 1. An apparatus for distributing a liquid comprising: a pump having an inlet and an outlet; a flow control reversing valve fluidly coupled to the inlet and the outlet of said pump; said reversing valve having a first orifice and a second orifice; said reversing valve having a first position and a second position; wherein when said reversing valve is in said first position, liquid flows from said first orifice to said second orifice; wherein when said reversing valve is in said second position, liquid flows from said second orifice to said first orifice; wherein said outlet of said pump is positioned below said reversing valve and said inlet of said pump; a purge valve fluidly coupled to and positioned below said outlet of said pump: a strainer housing coupled to the inlet of said pump; and a strainer basket positioned in said strainer housing wherein said strainer housing is fluidly coupled to said reversing valve. 2. An apparatus as recited in claim 1: wherein said reversing valve has a third position; and wherein when said reversing valve is in said third position, a liquid pressure difference will not develop between said first orifice and said second orifice. 3. An apparatus as recited in claim 2, wherein substantially all retained liquid in said reversing valve and in said pump is discharged through said purge valve when said pump is operating, said purge valve is opened, and said reversing valve is moved from said third position to said first position. 4. An apparatus as recited in claim 2, further comprising: a hose having first and second ends, said first end of said hose adapted to couple to said second orifice; and wherein retained liquid from said hose flows into said reversing valve through said second orifice when said second end of said hose is elevated above said second orifice and the position of said reversing valve is moved from said third position to said second position. 5. An apparatus as recited in claim 1, wherein a change in position of said reversing valve between said first position and said second position changes the flow rate of liquid flowing between said first orifice and said second orifice. 6. An apparatus as recited in claim 1, wherein a change in position of said reversing valve between said first position and said second position changes the liquid pressure difference between said first orifice and said second orifice. 7. An apparatus as recited in claim 1, further comprising a drain plug positioned in said strainer housing. 8. An apparatus as recited in claim 1, wherein liquid flows in one direction through said strainer basket when the position of said reversing valve is changed between said first position and said second position. 9. An apparatus as recited in claim 1, wherein said pump is a constant speed pump. 10. An apparatus as recited in claim 1, wherein said pump is a positive displacement pump. 11. An apparatus as recited in claim 1, further comprising: an indexing pin coupled to said reversing valve; wherein the position of said reversing valve is restricted to between said first position and said second position by said indexing pin. 12. An apparatus as recited in claim 1, further comprising: wherein said reversing valve is adapted to mount to a vehicle having a liquid reservoir; wherein said first orifice is adapted to couple to said liquid reservoir; and wherein said second orifice is adapted to fluidly couple to a liquid receiver. 13. An apparatus as recited in claim 12: wherein said reversing valve has a third position; wherein when said reversing valve is in said third position, a liquid pressure difference will not develop between said first orifice and said second orifice; and wherein retained liquid in said reversing valve and in said pump is discharged through said purge valve when said pump is operating, said purge valve is opened, and said reversing valve is moved from said third position to said first position. 14. An apparatus as recited in claim 13, further comprising: a hose having first and second ends, said first end adapted to couple to said second orifice; and wherein retained liquid from said hose flows into said reversing valve through said second orifice when said second end of said hose is elevated above said second orifice and the position of said reversing valve is moved from said third position to said second position. 15. An apparatus for managing the flow of a liquid and adapted to couple to a pump having an inlet and outlet comprising: a valve body having a first, second, third and fourth ports; wherein said first port is adapted to couple to the inlet of a pump; wherein said second port is adapted to couple to a first containment vessel; wherein said third port is adapted to couple to the outlet of said pump; wherein said fourth port is adapted to couple to a second containment vessel; a valve chamber in the center of said valve body; a valve candle adapted to rotate within said valve chamber; said valve candle having a flat impeller; said valve candle having first, second and third positions; wherein when said valve candle is in said first position, said impeller directs liquid flow from said second port to said first port, and from said third port to said fourth port; wherein when said valve candle is in said second position, said impeller directs liquid flow from said fourth port to said first port and from said third port to said second port; and wherein when said valve candle is in said third position, said impeller allows liquid to flow from said third port to said first port. 16. An apparatus as recited in claim 15, further comprising: an indexing pin attached to said valve candle; a valve bonnet coupled to said valve body; indexing ears attached to said valve bonnet; wherein said indexing ears interact with said indexing pin to limit the turning range of said valve candle. 17. An apparatus as recited in claim 15, further comprising: wherein said valve candle has a top shaft and a bottom shaft; wherein said top shaft is supported by said valve bonnet; a coil spring positioned on said top shaft between said valve bonnet and said valve candle; a jack screw positioned in said valve body; said jack screw adapted to support said bottom shaft; wherein said coil spring urges said bottom shaft of said valve candle against said jack screw. 18. An apparatus as recited in claim 17, wherein adjusting said jack screw adjusts the position of said valve candle in said valve chamber. 19. An apparatus as recited in claim 17, further comprising: a first recessed O ring on said top shaft; said first O ring positioned to seat in said valve bonnet; a second recessed O ring on said bottom shaft; said second recessed O ring positioned to seat in said valve body; wherein said first and second recessed O rings are adapted to resist liquid flow along said top and bottom shafts. 20. An apparatus as recited in claim 15, further comprising: first, second, third and fourth recessed O rings positioned on said first, second, third and fourth ports respectively; wherein said first second third and fourth O rings are adapted to resist liquid flow across the face of said ports. 21. An apparatus as recited in claim 15, further comprising: a strainer housing adapted to couple to the inlet of said pump; a strainer basket positioned in said strainer housing; wherein said strainer housing is fluidly coupled to said first port. 22. An apparatus as recited in claim 21, wherein liquid flows in one direction through said strainer basket when the position of said valve candle is changed between said first position and said second position. 23. An apparatus as recited in claim 15: wherein said valve body is mounted to a vehicle; and wherein said fourth port is fluidly coupled to a crossover line that will access liquid from both sides of said vehicle. 24. An apparatus as recited in claim 23, wherein said second port is fluidly connected to a second crossover line that will access liquid from both sides of the vehicle. 25. An apparatus as recited in claim 23: wherein said second port is adapted to couple to a first containment vessel mounted on said vehicle; and wherein said crossover line is adapted to couple to a second containment vessel. 26. An apparatus as recited in claim 23, further comprising: a hose having first and second ends, said first end adapted to couple to said crossover line; and wherein retained liquid from said hose flows into said valve body through said fourth port when said second end of said hose is elevated above said crossover line and the position of said valve candle is moved from said third position to said second position. 27. A method of distributing liquid comprising: providing a pump having an inlet and an outlet; providing a two way flow reversing valve having a first, second, third and fourth ports; coupling said pump inlet to said first port; coupling said pump outlet to said third port; coupling a first containment vessel to said second port; coupling a second containment vessel to said fourth port; wherein said flow reversing valve has a first position and second position; engaging said pump; moving said flow reversing valve to said first position; and distributing liquid from said first containment vessel to said second containment vessel. 28. A method of distributing liquid as recited in claim 27, further comprising: wherein said flow reversing valve has a third position; wherein when said flow reversing valve is in said third position, liquid does not flow between said second port and said fourth port; and positioning said flow reversing valve in said third position before said pump is engaged. 29. A method of distributing liquid as recited in claim 27, further comprising: providing a hose having a first end and second end; coupling said first end of said hose to said fourth port; and coupling said second end of said hose to said second containment vessel. 30. A method of distributing liquid as recited in claim 29, further comprising: uncoupling said second end of said hose from said second containment vessel; elevating said second end of said hose above said fourth port; and moving said flow reversing valve to said second position to remove said retained liquid from said hose. 31. A method of distributing liquid as recited in claim 27, further comprising: coupling a purge valve to said pump outlet; disconnecting said second containment vessel from said fourth port; engaging said pump; opening said purge valve; moving said flow reversing valve to said first position thereby discharging retained liquid through said purge valve. 32. A method of distributing liquid as recited in claim 31, further comprising: providing a strainer housing coupled to said inlet of said pump and coupled to said flow reversing valve; flowing liquid in a first direction through said strainer housing when said flow reversing valve is in said first position; and flowing liquid in said first direction through said strainer housing when said flow reversing valve is in said second position. 33. A method of distributing liquid as recited in claim 32, further comprising: providing a drain port in said strainer housing; opening said drain port to drain retained liquid from said strainer housing. 34. A method of distributing liquid as recited in claim 27, further comprising: supporting said first containment vessel on a vehicle; supporting said pump on said vehicle; and supporting said flow reversing valve on said vehicle. 35. A method of distributing liquid as recited in claim 34, further comprising: coupling a purge valve to said pump outlet; disconnecting said second containment vessel from said fourth port; engaging said pump; opening said purge valve; moving said flow reversing valve to said first position thereby discharging retained liquid through said purge valve. 36. A method of distributing liquid as recited in claim 35, further comprising: supporting a third containment vessel from said vehicle; disconnecting said first containment vessel from said second port; connecting said third containment vessel to said second port; engaging said pump; moving said flow reversing valve to said first position; and distributing liquid from said third containment vessel through said fourth port. 37. A method of distributing liquid as recited in claim 27, further comprising: disconnecting said second containment vessel from said fourth port; connecting a liquid source to said fourth port; engaging said pump; moving said flow reversing valve to said second position thereby refilling said first containment vessel from said liquid source. 38. A method of distributing liquid as recited in claim 37, further comprising: coupling a purge valve to said pump outlet; disconnecting said liquid source from said fourth port; engaging said pump; opening said purge valve; moving said flow reversing valve to said first position thereby discharging retained liquid through said purge valve.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.