[특허]Evaporative emissions test apparatus and method

Evaporative emissions test apparatus and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01M-003/32
출원번호	US-0218350 (1994-03-28)
발명자 / 주소	Kammeraad David A. (Holland MI) Chirco Peter R. (Sterling Heights MI)
출원인 / 주소	K-Line Industries, Inc. (Holland MI 02)
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

An evaporative emissions test apparatus is provided including a tester adapted to pressure test a vehicle fuel holding system for vapor emitting leaks. The test apparatus includes an adapter configured to sealingly engage the access port for filling the fuel tank, the adapter being further configured to sealingly receive the vehicle fuel cap so that the vehicle fuel holding system including the fuel cap can be tested as a unit. The tester includes a connector for connecting to the adapter, and further includes a second connector for connecting to a pressure source for pressurizing the fuel holding system and fuel vapor control system to a predetermined pressure. The tester also includes a sensor for sensing the pressure over time, a timer for indicating the passage of a predetermined amount of time, and a display generator and display for indicating if the pressure in the atmosphere is acceptable after passage of the predetermined amount of time.

대표청구항 ▼

An emissions test apparatus for vapor emitting leaks in a fuel holding system in a vehicle, said fuel holding system including a vehicle fuel tank and a fuel vapor control system operably connected to said fuel tank, said fuel tank and said fuel vapor control system defining an atmosphere, comprising: an atmosphere pressure changing device operably connected to said fuel holding system for changing the pressure of said fuel holding system atmosphere to a predetermined pressure; a pressure sensor operably connected to said fuel holding system for sensing the pressure of said atmosphere in said fuel holding system over time; a timer for indicating passage of a predetermined amount of time; a switch for actuating said timer when said predetermined pressure is reached; an indicator operably connected to said timer and said pressure sensor for indicating whether any change in the pressure of said atmosphere over said predetermined time is acceptable; said fuel tank including an access port for filling said fuel tank, and said atmosphere pressure changing device including an adapter configured to sealingly engage said access port; said fuel holding system including a fuel cap adapted to sealingly engage and cover said access port, and said adapter including a first end configured to sealingly engage said access port and further including a second end configured to sealingly receivingly engage said fuel cap, said adapter placing said fuel cap and said access port in fluid communication when engaged with said adapter, whereby said fuel holding system can be tested as a complete unit for vapor leaks; and said fuel cap including a pressure relief valve for venting said fuel holding system upon over-pressurization and a seal for sealingly engaging said access port, said adapter including a passageway operably connecting said fuel cap to said fuel tank when the fuel cap is connected to the adapter and further including a surface for sealingly engaging said fuel cap seal.

이 특허를 인용한 특허 (43)

McCollom, Gregory Michael, Adapter for a capless fuel tank filler neck to test a fuel tank for leaks.
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Cook, John E.; Perry, Paul D., Automotive evaporative leak detection system.
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John E. Cook CA; Paul D. Perry CA, Automotive evaporative leak detection system.
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Paul D. Perry CA; John A. Gurd CA, Connection between an integrated pressure management apparatus and a vapor collection canister.
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Wallrafen Werner,DEX, Device for measuring changes in pressure.
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Weldon, Craig, Diagnostic apparatus and method for an evaporative control system including an integrated pressure management apparatus.
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Schwegler Helmut,DEX ; Zimmermann Manfred,DEX, Diagnostic module for testing the tightness of a container.
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Perry, Paul; Veinotte, Andre, Electrical connections for an integrated pressure management apparatus.
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Nagano Susumu,JPX ; Oakes Martin, Evaporative fuel leak diagnosing apparatus.
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Paul D. Perry CA, Fluid flow through an integrated pressure management apparatus.
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Perry, Paul D., Fluid flow through an integrated pressure management apparatus.
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Chiang Hank,TWX, Freezing tank.
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Harris Robert S. ; Bowden Bruce K. ; Foltz Dean C., Fuel cap leakage tester.
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Docy Michael J. ; Hart George R. ; Bauman Robert L., Fuel cap tester.
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Anderson, Perry R; Anderson, Darla C., Fuel overflow alarm system.
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Perry,Paul D.; Cook,John E., Fuel system with integrated pressure management.
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Paul D. Perry CA; John E. Cook CA, Fuel system with intergrated pressure management.
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Docy, Michael J.; Hart, George R.; Bauman, Robert L., Fuel tank tester.
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Perry, Paul D., Housing for an integrated pressure management apparatus.
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Paul D. Perry CA, Housing for integrated pressure management apparatus.
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Perry, Paul D., Integrated pressure management apparatus having electronic control circuit.
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Paul D. Perry CA, Integrated pressure management apparatus providing an on-board diagnostic.
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Paul D. Perry CA; John E. Cook CA, Integrated pressure management system for a fuel system.
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Perry, Paul D.; Cook, John E., Integrated pressure management system for a fuel system.
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Perry,Paul D.; Cook,John E., Integrated pressure management system for a fuel system.
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Garman Benjamin D. ; Albers Jeffrey Maurice ; Merrell Robert James, Method and apparatus for detecting vapor leakage.
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Paul D. Perry CA; John E. Cook CA, Method of calibrating an integrated pressure management apparatus.
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Perry,Paul D.; Cook,John E., Method of managing pressure in a fuel system.
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Blomquist William B. (Clarkston MI) Dawson Gary D. (Rochester MI) Richardson Roland T. (Detroit MI) Tallarek Glen (Grosse Pointe Woods MI), Method of pinched line detection for an evaporative emission control system.
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Breidenbach Hallett D. ; Simpson Kenneth M. ; Majkowski Stephen F., Method of validating a diagnostic leak detection test for a fuel tank.
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Perry,Paul; Veinotte,Andre, Poppet for an integrated pressure management apparatus and fuel system and method of minimizing resonance.
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Paul D. Perry CA, Pressure operable device for an integrated pressure management apparatus.
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Perry, Paul D., Sensor arrangement for an integrated pressure management apparatus.
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Weldon, Craig, Sensor arrangement for an integrated pressure management apparatus.
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Jon L. Hulsebus, Smoke-producing apparatus for detecting leaks.
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Paul D. Perry CA, Solenoid for an integrated pressure management apparatus.
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Herzog, Michael; Smith, Gordon Ernest; Sulik, Charles Michael; Pandey, Arun R.; Shishkin, Valeriy Maksimovich; Weedon, Rex Graham; Davis, Mark, System and method for testing fuel tank integrity.
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Herzog,Michael; Smith,Gordon Ernest; Sulik,Charles Michael; Pandey,Arun R.; Shishkin,Valeriy Maksimovich; Weedon,Rex Graham; Davis,Mark, System and method for testing fuel tank integrity.
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Herzog,Michael; Smith,Gordon Ernest; Sulik,Charles Michael; Pandey,Arun Raj; Shishkin,Valeriy Maksimovich; Weedon,Rex Graham; Davis,Mark A., System and method for testing fuel tank integrity.
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Deleon, Marcos J., System and method for verifying fuel cap engagement.
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Cook, John E.; Perry, Paul D., Temperature correction method and subsystem for automotive evaporative leak detection systems.
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Cook,John E.; Perry,Paul D., Temperature correction method and subsystem for automotive evaporative leak detection systems.
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McCollom, Gregory Michael, Universal adapter for a fuel tank filler neck to test a fuel tank for lakes.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Evaporative emissions test apparatus and method 원문보기

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Evaporative emissions test apparatus and method 원문보기

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이 특허를 인용한 특허 (43)

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