|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||141/018 ; 141/03 ; 141/231|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 39 인용 특허 : 3|
A compressed natural gas (CNG) vehicle refueling system has a hydraulic fluid reservoir, an accumulator, and two banks of cylinders, each of which has an axially moveable piston, a pair of inlets and an outlet. The pistons separate the CNG from hydraulic fluid. The refueling system drains the banks one at a time by refueling CNG vehicles with a plurality of refueling depots. Hydraulic fluid is pumped from reservoir to the cylinders to maintain 3600 psi of pressure in the cylinders while CNG is being dispensed. A pressure limiting valve limits pressure in...
[ I claim:] [3.] In a fuel delivery system for delivering compressed natural gas into a vehicle, comprising:a reservoir containing hydraulic fluid and having a pump intake line and a return line;at least one bank of cylinders for storing and dispensing gas, each of the cylinders having an inlet, an outlet and a moveable separator for separating the hydraulic fluid from the gas, the inlets being connected in parallel to each other and the outlets being connected in parallel to each other;a hose line connected to the outlets for connection to a vehicle;a p...