System and method for priority CNG filling
OwnerRichard Allan Poorman, Bradley Wade Fontenotinventors
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Abstract
A method of dispensing compressed natural gas (CNG) includes assigning a first priority to the filling of a first destination tank and assigning a second priority to the filling of a second destination tank. The second priority is lower than the first priority. The method also includes filling the first destination tank from a first CNG source while filling the second destination tank from a second CNG source. The second CNG source provides CNG at a lower pressure relative to the pressure at which the first CNG source provides CNG.
Claims18
A method of dispensing compressed natural gas (CNG), comprising:
- assigning a first priority to the filling of a first destination tank;
- assigning a second priority to the filling of a second destination tank, wherein the second priority is lower than the first priority;
- and
- reducing a rate of filling the first destination tank as a function of the first destination tank comprising a higher capacity as compared to the second destination tank;
- and
- wherein a first dispenser comprises a valve configured for selective modulation to an intermediate flow position between a fully closed position and a fully open position;
- and
- wherein the first dispenser is configured to dispense CNG through the valve with the valve at the intermediate flow position while a second dispenser is configured to dispense CNG.
A compressed natural gas (CNG) dispensing system, comprising:
- a first CNG source;
- a second CNG source;
- a first dispenser comprising a valve configured for selective modulation to an intermediate flow position between a fully closed position and a fully open position;
- a second dispenser;
- and
- a controller, the controller configured to (1) assign a first priority to the filling of a first destination tank associated with the first dispenser, (2) assign a second priority to the filling of a second destination tank associated with the second dispenser, wherein the second priority is lower than the first priority, and (3) reduce a rate of filling the first destination tank as a function of the first destination tank comprising a higher capacity as compared to the second destination tank;
- wherein the first dispenser is configured to dispense CNG through the valve with the valve at the intermediate flow position while the second dispenser is configured to dispense CNG.
Dependencies are inferred from the claim text.