|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||141/59 ; 141/44 ; 141/312 ; 141/369|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 39 인용 특허 : 0|
The invention incorporates a high flow, pilot actuated pressure relief/rollover valve into a refueling vapor recovery system having a vapor vent line for recirculating vapor past the aspirator of a refueling nozzle and a nozzle seal for engaging a refueling nozzle in an airtight manner. All vapor of evaporative hydrocarbons created during the act of refueling are routed directly to an onboard storage canister.
An apparatus for facilitating the control of vapor flow within the fuel system of a motor vehicle, such fuel system including a tank member defining a fuel storage chamber and a fill neck member engaged with said tank member and in communication with said fuel storage chamber, said apparatus comprising, in combination: a vapor pressure relief valve engaged with the tank member and in communication with the fuel storage chamber, said relief valve including an outlet valve for venting fuel vapor from the fuel storage chamber, said outlet valve being normal...