[특허]System and method for testing for error conditions in a fuel vapor recovery system

System and method for testing for error conditions in a fuel vapor recovery system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-005/34
출원번호	US-0192669 (1994-02-07)
발명자 / 주소	Payne Edward A. (Greensboro NC) Hartsell Jr. Hal C. (Kernersville NC)
출원인 / 주소	Gilbarco, Inc. (Greensboro NC 02)
인용정보	피인용 횟수 : 59 인용 특허 : 0

초록 ▼

A vapor recovery system used with fuel dispensers and having error detection capabilities incorporated therein for detecting vapor leaks and performance deficiencies in the vapor recovery system. The vapor recovery system includes a fuel nozzle connected to a fuel source for pumping fuel into a vehicle. A vapor transfer line is connected to the nozzle and has a connected pump which pumps fuel vapor from the nozzle through the vapor transfer line and into a vapor holding tank. A pair of test valves are connected in the vapor transfer line on opposite sides of the pump and are used to isolate selected sections of the vapor recovery system for test purposes. Connected between each test valve and pump is a pressure sensor for measuring pressure in the vapor transfer line. A digital processor is connected to the vapor recovery system to control the vapor recovery system and to place the vapor recovery system in various test modes. During the test modes, the digital processor receives pressure signals from the pressure sensors and compares these pressure signals to references to determine if a fault condition exists.

대표청구항 ▼

A fuel delivery and vapor recovery system having error detection capabilities incorporated therein for detecting vapor leaks and performance deficiencies in the fuel delivery and vapor recovery system, comprising: (a) a nozzle connected to a liquid fuel source; (b) a vapor transfer line associated with the nozzle for transferring vapor from the nozzle to a vapor reservoir; (c) a vapor recovery pump connected to the vapor transfer line for pumping vapor from the nozzle to the vapor reservoir; (d) a test valve connected in the vapor transfer line upstream of the vapor recovery pump for placing the vapor recovery system in a test mode such that when the test valve is closed that portion of the vapor recovery transfer line between the test valve and pump becomes isolated for test purposes; (e) a first pressure sensor connected in the vapor transfer line between the test valve and vapor recovery pump for sensing a vacuum in the vapor transfer line; (f) a processor connected to the pressure sensor for receiving a vacuum level signal therefrom and having a test mode of operation, said processor operatively connected to said vapor recovery pump to drive said pump at a predetermined speed during said test mode and to compare the sensed vacuum level signal generated by said first pressure sensor during said test mode with a pressure reference for the purpose of determining an error condition between the pump and the test valve.

이 특허를 인용한 특허 (59)

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James W. Healy, Coaxial vapor flow indicator.
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Healy James W., Coaxial vapor flow indicator with pump speed control.
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James W. Healy, Coaxial vapor flow indicator with pump speed control.
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Seifollah S. Nanaji, Determining vapor recovery in a fueling system.
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Ostrowski Gary Michael ; Smith Richard Michael, Device and method for testing a vapor recovery system.
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Hart, Robert P., Fueling system vapor recovery and containment leak detection system and method.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P.; Lucas, Richard K., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P.; Lucas, Richard K., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart, Robert P.; Lucas, Richard K., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Hart,Robert P., Fueling system vapor recovery and containment performance monitor and method of operation thereof.
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Bryan,Avron L.; Heller,Larry D., Hazardous fluids transfer system and method.
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Nanaji, Seifollah S., Hydrocarbon sensor diagnostic method.
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Nanaji Seifollah S., Hydrocarbon vapor sensing.
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William P. Shermer ; Edward A. Payne ; Seifollah S. Nanaji, Hydrocarbon vapor sensing.
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Nunnally,David W.; Gifford,Douglas J., Integrated gas supply and leak detection system.
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Green Brian C. ; Schuster Leon R., Liquid pumping system with pressure relief mechanism.
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Simmons, Walt, Method and apparatus for detecting a leak in a fuel delivery system.
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Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
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Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
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Mellone, Joseph; Boucher, Randall, Method and apparatus for monitoring for a restriction in a stage II fuel vapor recovery system.
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Mellone, Joseph A.; Boucher, Randall S., Method and apparatus for monitoring for leaks in a stage II fuel vapor recovery system.
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Nguyen,Quang Viet, Method and system for fiber optic determination of gas concentrations in liquid receptacles.
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Fournier Jacques,FRX ; Redon Claude,FRX, Method of recovering vapors emitted when a liquid is dispensed.
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Clever, Bryan William; Riffle, B. Eric, ORVR compatible refueling system.
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Hartsell ; Jr. Hal C. ; Payne Edward A. ; Miller Paul D. ; Tucker Mark B., Onboard vapor recovery detection.
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Hartsell ; Jr. Hal C. ; Payne Edward A. ; Miller Paul D. ; Tucker Mark B., Onboard vapor recovery detection using pressure sensing means.
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Pechtold, Rainer, Overfill protection for liquid hydrogen tank.
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Webb Michael C., Pipe coupling assembly.
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Webb Michael C., Pipe coupling assembly system and method.
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Kenneth L. Pope ; William P. Shermer, Pressure sensor for a vapor recovery system.
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Pope, Kenneth L.; Shermer, William P., Pressure sensor for a vapor recovery system.
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Hughes, Kevin, System and method for automatically adjusting an ORVR compatible stage II vapor recovery system to maintain a desired air-to-liquid (A/L) ratio.
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Payne Edward A. ; Hartsell ; Jr. Hal C., System and method for testing for error conditions in a fuel vapor recovery system.
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Harding, Geoffrey; Delfs, Johannes Paul, Systems and methods for reducing a degradation effect on a signal.
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Tetreault, Kevin; Derikx, John, Vacuum generating method and device including a charge valve and electronic control.
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Edward A. Payne ; Richard R. Sobota ; Seifollah S. Nanaji ; Kenneth L. Pope, Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers.
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Kenneth L. Pope ; Richard R. Sobota ; Seifollah S. Nanaji ; Edward A. Payne, Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers.
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Kenneth L. Pope ; Richard R. Sobota ; Seifollah S. Nanaji ; Edward A. Payne, Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers.
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Seifollah S. Nanaji, Vapor flow and hydrocarbon concentration sensor for improved vapor recovery in fuel dispensers.
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Nanaji Seifollah S., Vapor recovery diagnostic system.
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Rowland Steven L. ; Hartsell ; Jr. Hal C., Vapor recovery diagnostic testing system.
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Rowland Steven L. ; Hartsell ; Jr. Hal C., Vapor recovery diagnostic testing system.
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Healy James W., Vapor recovery system accommodating ORVR vehicles.
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Andersson Bo Goran, Vapor recovery system and method.
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Negley ; III Scott Robertson ; Ostrowski Gary Michael, Vapor recovery system and method with leakage and air flow sensing.
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William P. Shermer ; Kenneth L. Pope ; Edward A. Payne, Vapor recovery system for a fuel dispenser.
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Olson Scott M. ; Wood Gregory P. ; Chernoby ; Jr. Andrew ; Swieringa Roger D., Vapor recovery system with integrated monitoring unit.
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Kenney Donald P. (McFarland WI) Triezenberg David M. (Fort Wayne IN), Variable speed pump-motor assembly for fuel dispensing system.
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Kenney Donald P. ; Triezenberg David M., Variable speed pump-motor assembly for fuel dispensing system.
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Kenney Donald P. ; Triezenberg David M., Variable speed pump-motor assembly for fuel dispensing system.
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Kenney Donald P. ; Triezenberg David M., Variable speed pump-motor assembly for fuel dispensing system.
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System and method for testing for error conditions in a fuel vapor recovery system 원문보기

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