[특허]Fuel cap for a pressured fuel tank

Fuel cap for a pressured fuel tank 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-051/16
출원번호	US-0045698 (1993-04-14)
우선권정보	JP-0107967 (1992-04-27); JP-0224638 (1992-07-31)
발명자 / 주소	Kasugai Joji (Aichi JPX) Hagano Hiroyuki (Aichi JPX) Miura Natsushi (Aichi JPX) Kubota Norimichi (Aichi JPX)
출원인 / 주소	Toyoda Gosei Co., Ltd. (Nishikasugai JPX 03)
인용정보	피인용 횟수 : 25 인용 특허 : 0

초록 ▼

A fuel cap is provided to improve sealing characteristics of a pressurized fuel tank. When the inner pressure P of a fuel tank is a negative pressure less than a predetermined regulation negative pressure Pr which does not need to be controlled, a valve 160 is pressed upward by the urging force of a spring 164 to bring a lip portion 161 of the valve 160 into contact with a seal surface 156 of a seal body 150 to thereby close the valve 160. As a result, the fuel tank is sealed from the outside air. At this time, a flat plate portion 155 of the rubber-made seal body 150 is bent by the urging force of the spring 164 so that the gap L between the flat plate portion 155 and the lower surface of a ceiling plate portion 131 is narrowed. In addition, the divergence of center of the valve 160 with respect to the seal body 50 is limited by ribs 162 of the valve 160 located in a valve slide hole 135.

대표청구항 ▼

A fuel cap comprising: a closure including: a cylindrical portion with a lower part having means for releasable attachment to a filler neck of a fuel tank, a ceiling plate portion having a first hole and being arranged so as to block an inner circumference of said cylindrical portion substantially at a vertically middle position of said cylindrical portion, and a flange portion extending outward from an upper part of said cylindrical portion; a negative pressure valve arranged adjacent to said first hole of said ceiling plate portion so that said valve is actuated to operate when air flows into said cylindrical portion; a dust proof plate arranged at a periphery of said first hole on an upper side of said ceiling plate portion; and a shell member attached to said flange portion so as to cover an upper part of said closure so that an air passage for said air is formed between said flange portion and said shell member; said ceiling plate portion having a convex portion enabling the periphery of said first hole to project upwardly and thereby form a first annular dust reservoir between said ceiling plate portion and the inner circumferential surface of said cylindrical portion, and having a first cylindrical dam plate portion extending upwardly from the periphery of said first hole, said dust proof plate having a base plate portion covering an upper part of said convex portion, and including a second cylindrical dam plate portion extending from an outer circumferential edge of said base plate portion to a vicinity of the outer circumferential edge of said convex portion, a third cylindrical dam plate portion being formed between said first dam plate portion and said second dam plate portion so as to vertically extend from one of the convex portions of said ceiling plate portion and the base plate portion of said dust proof plate, said third dam plate portion having inflow ports located at a part lower than an upper end of said first dam plate portion to form a second annular dust reservoir between said first dam plate portion and said third dam plate portion.

이 특허를 인용한 특허 (25)

Gohlke,Henry J., Air admittance valve.
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Kahn,Jordan Aron; Boulos,Charles A.; Offir,Yigal, Appliance for vacuum sealing food containers.
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Kahn,Jordan Aron; Boulos,Charles A.; Offir,Yigal, Appliance for vacuum sealing food containers.
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Kahn,Jordan Aron; Boulos,Charles A.; Offir,Yigal, Appliance for vacuum sealing food containers.
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Patterson,Justin C.; Siano,Salvatore R.; Mak,Chi Kin John; Jones,Heather; Marino,Francis E.; Bossa,Dave; Offir,Yigal, Appliance for vacuum sealing food containers.
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Patterson,Justin C.; Siano,Salvatore R.; Mak,Chi Kin John; Jones,Heather; Marino,Francis E.; Bossa,Dave; Offir,Yigal, Appliance for vacuum sealing food containers.
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Patterson,Justin C.; Siano,Salvatore R.; Mak,Chi Kin John; Jones,Heather; Marino,Francis E.; Bossa,Dave; Offir,Yigal, Appliance for vacuum sealing food containers.
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Hagano,Hiroyuki; Nakagawa,Masayuki; Akagi,Masaki, Cap device.
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Palvoelgyi Sandor,ATX ; Feichtinger Stefan,ATX, Closure cap with acoustical torque warning device.
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Sotiriades, Aleko D.; Becker, Troy Timothy Fredrick, Closure device for controlling evaporative emissions from a fuel tank.
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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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Robert S. Harris ; Jason K. Jobe, Filler neck closure assembly.
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Griffin, Jeffery; Levi, Lisa, Filler neck closure with static charge dissipater.
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Gulke, John; Matuszewski, Christy L.; Zabrowski, Geoffrey P.; Matel, Elliot; Shears, Peter D., Fuel cap.
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Hagano, Hiroyuki, Fuel cap having a fuel tank pressure regulating valve.
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Hagano, Hiroyuki; Enomoto, Kentaro; Oue, Go, Fuel tank opening and closing device.
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Scott, William A., Fuel tank venting system.
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Lefevre Jean-Pierre (Chaumont-en-Vexin FRX), Lock cap for a motor vehicle fuel filling pipe.
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Bae Kang-Soo,KRX, Quick release vent apparatus for a fuel tank.
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Harris Robert S. ; Griffin Jeffery, Quick-on cap with one-part closure body.
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Reutter,Heinrich, Sealing lid for motor vehicle radiator.
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Matsubara, Yasunori; Saitoh, Teruyuki; Ito, Keita, Static electricity discharge tank cap.
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Matsubara, Yasunori; Yamada, Yoshikazu, Tank cap.
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Baumgarten Gerd-Diethard,DEX, Valve for a cooking utensil.
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Segrest ; III E. Lawrence, Ventilating system.
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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

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연합인증

Fuel cap for a pressured fuel tank 원문보기

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Fuel cap for a pressured fuel tank 원문보기

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이 특허를 인용한 특허 (25)

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