IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0570316
(2009-09-30)
|
등록번호 |
US-8435334
(2013-05-07)
|
발명자
/ 주소 |
- Hart, Robert P.
- Reid, Kent
|
출원인 / 주소 |
|
대리인 / 주소 |
Nelson Mullins Riley & Scarborough, LLP
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
16 |
초록
▼
A carbon canister for use with a fuel storage system having a fuel storage tank and a vent line connected thereto. The carbon canister includes an inner container having a first end and a second end, an outer container having a first end and a second end, the outer container being disposed about an
A carbon canister for use with a fuel storage system having a fuel storage tank and a vent line connected thereto. The carbon canister includes an inner container having a first end and a second end, an outer container having a first end and a second end, the outer container being disposed about an outer surface of the inner container such that the outer container and the inner container are concentric. A first end plate is disposed at the first end of the inner container and the first end of the outer container and a second end plate is disposed at the second end of the inner container and the second end of the outer container, such that a first volume is defined by the inner container, the outer container, the first end plate and the second end plate, and hydrocarbon adsorbing activated carbon disposed in the first volume. The vent line of the fuel storage tank is external to the carbon canister and the first volume of the carbon canister is in fluid communication with the fuel storage tank.
대표청구항
▼
1. A carbon canister for use with a fuel storage system including a fuel storage tank and a vent line connected thereto, comprising: an inner container having a first end and a second end;an outer container having a first end and a second end, the outer container being disposed about an outer surfac
1. A carbon canister for use with a fuel storage system including a fuel storage tank and a vent line connected thereto, comprising: an inner container having a first end and a second end;an outer container having a first end and a second end, the outer container being disposed about an outer surface of the inner container such that the outer container and the inner container are concentric;a first end plate including a base plate and an inlet port that is axially displaced from the base plate, the first end plate being disposed at the first end of the inner container and the first end of the outer container;a second end plate including a base plate and an inlet port that is axially displaced from the base plate, the second end plate being disposed at the second end of the inner container and the second end of the outer container such that a first volume is defined by the inner container, the outer container, the first end plate and the second end plate, the inlet ports of the first and the second end plates being in fluid communication with the first volume; andhydrocarbon adsorbing activated carbon disposed in the first volume,wherein the vent line of the fuel storage tank is external to the carbon canister and the first volume of the carbon canister is in fluid communication with the fuel storage tank. 2. The carbon canister of claim 1, further comprising: a central aperture defined by the first end plate aligned with an interior volume of the inner container; anda central aperture defined by the second end plate aligned with the interior volume of the inner container,wherein a flow path for ambient air through the carbon canister is formed by the inner container and the central apertures of the first and the second end plates. 3. The carbon canister of claim 2, wherein the inner container and the outer container are substantially cylindrical. 4. The carbon canister of claim 2, further comprising a first retaining screen and a second retaining screen disposed within the first volume of the carbon canister such that the hydrocarbon adsorbing activated carbon is disposed between the first and the second retaining screens. 5. The carbon canister of claim 4, further comprising at least one spring disposed within the first volume such that the at least one spring biases the first retaining screen toward the hydrocarbon adsorbing activated carbon. 6. The carbon canister of claim 2, wherein the first end plate further comprises an air passage aperture defined by the base plate, and an air channel that extends from the inlet port to the air passage aperture such that the air channel is in fluid communication with the first volume of the carbon canister. 7. The carbon canister of claim 6, wherein the air channel of the first end plate extends radially outwardly from the inlet port to the air passage aperture. 8. The carbon canister of claim 7, wherein a first end of the air channel is adjacent the inlet port and has a cross-sectional area that is smaller than a cross-sectional area of a second end of the air channel that is adjacent the air passage aperture. 9. The carbon canister of claim 6, wherein the first end plate further comprises a plurality of air passage apertures defined by the base plate and a plurality of air channels, wherein each air channel extends outwardly from the inlet port to a corresponding air passage aperture. 10. The carbon canister of claim 9, wherein each air, channel is curved in one of a clockwise and a counter-clockwise direction as it extends outwardly from the inlet port. 11. The carbon canister of claim 1, wherein the first volume of the carbon canister is in fluid communication with the vent pipe of the fuel storage tank. 12. A carbon canister for use with a fuel storage system including a fuel storage tank and a vent line connected thereto, comprising: a first container having a first end and a second end;a first end plate disposed at the first end of the first container, the first end plate including an inlet port, a base plate, an air passage aperture defined by the base plate, and an air channel that extends from the inlet port to the air passage aperture, the inlet port being axially spaced apart from said base plate;a second end plate including an inlet port, the second end plate being disposed at the second end of the first container such that a first volume is defined by the first container, the first end plate and the second end plate; andhydrocarbon adsorbing activated carbon disposed in the first volume,wherein first volume of the carbon canister is in fluid communication with the inlet ports of the first and the second end plates and with the fuel storage tank. 13. The carbon canister of claim 12, wherein the first container comprises an outer container and an inner container each having a first end and a second end, the inner container being within an inner surface of the outer container such that the outer container and the inner container are concentric. 14. The carbon canister of claim 13, further comprising: a central aperture defined by the first end plate aligned with an interior volume of the inner container; anda central aperture defined by the second end plate aligned with the interior volume of the inner container,wherein a flow path through the carbon canister is formed by the inner container and the central apertures of the first and the second end plates. 15. The carbon canister of claim 14, wherein the central apertures of the first end plate and second end plate are defined by the base plate of each. 16. The carbon canister of claim 14, wherein the inner container and the outer container are substantially cylindrical. 17. The carbon canister of claim 13, further comprising a first retaining screen and a second retaining screen disposed within the first volume of the carbon canister such that the hydrocarbon adsorbing activated carbon is disposed between the first and the second retaining screens. 18. The carbon canister of claim 12, wherein the air channel of the first end plate extends radially outwardly from the inlet port to the air passage aperture. 19. The carbon canister of claim 18, wherein a first end of the air channel is adjacent the inlet port and has a cross-sectional area that is smaller than a cross-sectional area of a second end of the air channel that is adjacent the air passage aperture. 20. The carbon canister of claim 19, wherein the first end plate further comprises a plurality of air passage apertures defined by the base plate and a plurality of air channels, wherein each air channel extends outwardly from the inlet port to a corresponding air passage aperture. 21. The carbon canister of claim 20, wherein each air channel is curved in one of a clockwise and a counter-clockwise direction as it extends outwardly from the inlet port to its respective air passage aperture.
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