[특허]Vapor venting valve for vehicle fuel system

[미국특허] Vapor venting valve for vehicle fuel system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65B-031/06
출원번호	US-0091124 (1987-08-31)
발명자 / 주소	Sherwood Carl H. (Brockport NY) Fornuto Joseph (Rochester NY) Giacomazzi Roy A. (Washington Township Macomb County MI)
출원인 / 주소	General Motors Corporation (Detroit MI 02)
인용정보	피인용 횟수 : 35 인용 특허 : 0

초록 ▼

A vapor venting means for a vehicle fuel system in which one ball valve serves both the close off function between fuel fills, and the automatic shut off function during fuel fill, but does not depend upon falling under its own weight in order to open the vapor vent path to the canister. The ball valve is indirectly loaded against a lower valve seat, which is spaced from an upper spring seat, through the use of a spring loaded carrier that normally traps the ball valve against the lower seat. Then, when the nozzle is inserted, the carrier is pushed up so that the ball valve is freed without having to fall under its own weight. Since the ball valve is not confined or limited, it can also float up against the upper spring seat in the event of fuel overfill.

대표청구항 ▼

In a vehicle fuel system having a fuel tank, a fuel tank filler pipe the upper end of which is openable to atmosphere to receive a liquid fuel filler nozzle, and a vapor storage canister, a vapor venting means to prevent fuel vapors produced during fuel fill from exiting said fuel tank through said filler pipe to atmosphere, said vapor venting means comprising, a valve housing on said filler pipe below said filler pipe upper end having an upper circular seat opening to the outside of said housing and an opposed, spaced lower circular seat opening to the interior of said filler pipe, a vapor vent line running from said upper circular seat to said storage canister so as to provide a vapor exit path from the interior of said filler pipe in conjunction with said spaced upper and lower seats, a lightweight and buoyant ball valve in said housing intermediate said opposed seats and having a diameter that is less than the spacing between said opposed seats, so that said ball valve can close either said lower or said upper seat to block said exit path, a ball valve carrier in said housing intermediate said ball valve and said upper circular seat and guidably movable toward and away from said opposed seats, biasing means continually forcing said carrier into said ball valve and toward said lower seat so as to block said exit path, a remotely actuatable carrier lifter within said housing that is movable from outside of said housing to lift said carrier away from said lower seat against said biasing means and toward said upper seat, an actuator within said filler pipe movable by the insertion of said fuel filler nozzle to actuate said carrier lifter and push said carrier away from said lower seat sufficiently that said ball valve may float into engagement with said upper seat without engaging said carrier, and, seal means intermediate said valve housing and said filler pipe upper end and engageable with said inserted fuel filler nozzle to block exit of vapors from said filler pipe upper end, whereby, before insertion of said fuel nozzle, said ball valve will block said lower seat and prevent vapors from exiting said filler pipe, and after insertion of said fuel nozzle, said carrier will be lifted away from said lower seat to free said ball valve, allowing vapors produced during fuel fill to lift said lightweight ball valve from said lower seat so that said vapors can exit only through said lower and upper seats to said upper seat and vent line to said canister, while any liquid fuel rising within said filler pipe to said ball valve will float said ball valve into engagement with said upper seat to block said exit path.

이 특허를 인용한 특허 (35) 인용/피인용 타임라인 분석

Gerdes, Ralf, Cap-free neck end for a filler neck.
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Gerdes, Ralf, Cap-free neck end for a filler neck.
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Foltz Dean C., Capless filler neck closure system.
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Palvoelgyi Sandor,ATX ; Reinlaender Peter,CAX ; Pozgainer Gunther,ATX, Capless refueling assembly.
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Griffin Jeffrey (Connersville IN) Harris Robert S. (Connersville IN) Groom J. Bradley (Terre Haute IN), Capless vehicle refueling system with moving fill passageway.
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Rado,Gordon E, Centrifugally operated evaporative emissions control valve system for internal combustion engines.
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Dean C. Foltz, Closure assembly for a tank filler neck.
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Kawase, Ritsuo, Device for sealing refueling opening.
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Enge Trevor L., Electromechanical refueling control system.
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Enge, Trevor L., Electromechanical refueling control system.
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Trevor L. Enge, Electromechanical refueling control system.
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Enge Trevor L., Electromechanically controlled refueling valve.
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Enge, Trevor L., Electromechanically controlled refueling valve.
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Rado,Gordon E.; Brower,David R.; Stenz,Dennis N., Emissions control system for small internal combustion engines.
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Cazaux, Yannick; Brotier, Sebastien; Bueno, Armand; Renault, Lionel, Filler device for a fluid tank.
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Netzer, Heribert; Groβ, Michael, Filler head.
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Thompson Robert H. (Dearborn Heights MI) Szlaga Emil (Connersville IN) Harris Robert S. (Connersville IN), Filler neck sealing assembly.
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Teets Michael R. (Grosse Pointe Park MI) Kerby Keith A. (Clarkston MI) Rafferty Michael P. (Warren MI) Carver Wayne D. (Pontiac MI) Shrodes ; Jr. Robert (Mt. Clemens MI), Fuel assembly having a vapor vent with a hinged float valve.
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Maier Bernhard,ATX, Fuel neck valve control.
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Mori Eiji (Okazaki JPX) Sonoda Hidefumi (Toyota JPX) Hiraku Akira (Okazaki JPX) Katoh Isao (Okazaki JPX) Itoh Kouichi (Tajimi JPX) Minezawa Morio (Okazaki JPX), Fuel tank for use in a vehicle.
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Terada Yoshinobu (Tochigi JPX), Fuel tank system.
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Hummel Sean P. (Howell MI), Fuel tank valve assembly.
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Bollinger Steven R. (Chesterfield MO) Hagen William A. (St. Ann MO) Clements Lawrence (St. Louis MO), Fuel vapor control system.
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Dean C. Foltz ; Robert S. Harris ; William Abney, III, Seal for filler neck closure assembly.
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Aoshima Kazuyuki (Fujisawa JPX) Abe Hiroya (Hiroshima JPX), Sealing device for fuel supply port of fuel tank for use in vehicles.
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Jansky Jaroslav (Rosenheim DEX) Temmesfeld Angelika B. M. (Raubling DEX), Shut-off valve.
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Burkholder, Steve, Spill avoidance system and method.
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Burkholder, Steve, Spill avoidance system and method.
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Burkholder, Steve, Spill avoidance system and venting system for a storage tank using pressure transfer methods.
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Burkholder, Steve, Spill avoidance system for storage tank.
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Bucci George H. (Tolland CT), System for controlling the release of fuel vapors from a vehicle fuel tank.
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Marx, Peter; M?ller, Wilfried; Schaffert, J?rgen; Deichmann, Johannes; Deubner, J?rg, Valve for a fuel delivery unit.
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Gifford William E. (Hemlock NY) Sherwood Carl H. (Brockport NY) Covert Charles H. (Manchester NY) Turner Kenneth W. (Webster NY), Vehicle tank vapor vent valve assembly.
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Morizumi Mitsuo (Atsugi JPX) Omura Kinya (Zama JPX) Arita Eriya (Kawagoe JPX) Furuya Katsuji (Tokyo JPX) Yasuda Sakae (Kawagoe JPX) Kodera Masaya (Zama JPX), Vent control valve attached to fuel filler tube.
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Cotton, Oren, Vented fuel filler and method of installation.
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[미국특허] Vapor venting valve for vehicle fuel system 원문보기

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[미국특허] Vapor venting valve for vehicle fuel system 원문보기

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이 특허를 인용한 특허 (35) 인용/피인용 타임라인 분석

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