HYDROGEN FUEL DISPENSER WITH PRE-COOLING CIRCUIT
First Claim
1. A hydrogen fuel dispenser, comprising:
- a nozzle dispensing hydrogen fuel to a receptacle, the nozzle including a nozzle line through which hydrogen fuel is dispensed to the receptacle;
a fueling line connecting the nozzle line to a hydrogen fuel storage communicating hydrogen fuel from the hydrogen fuel storage to the nozzle line;
a pre-cooling line connected to the fueling line downstream from the hydrogen fuel storage to pre-cool hydrogen fuel; and
a flow-path selector provided at a connection between the fueling line and the pre-cooling line, the flow-path selector selectively;
blocking hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and the nozzle line; and
opening hydrogen fuel flow between the fueling line and the pre-cooling line.
1 Assignment
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Accused Products
Abstract
A hydrogen fuel dispenser includes a pre-cooling circuit, a hydrogen fuel storage for storing hydrogen fuel, a nozzle for dispensing hydrogen fuel to a receptacle, and a fueling line connecting the hydrogen fuel storage to the nozzle for communicating hydrogen fuel from the hydrogen fuel storage to the nozzle. The pre-cooling circuit is provided to cool hydrogen fuel in the fueling line, and includes a pre-cooling line connected to the fueling line downstream from the hydrogen fuel storage, and a flow-path selector provided at a connection between the fueling line and the pre-cooling line. The flow-path selector selectively: blocks hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and a nozzle line of the nozzle; and opens hydrogen fuel flow between the fueling line and the pre-cooling line.
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Citations
20 Claims
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1. A hydrogen fuel dispenser, comprising:
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a nozzle dispensing hydrogen fuel to a receptacle, the nozzle including a nozzle line through which hydrogen fuel is dispensed to the receptacle; a fueling line connecting the nozzle line to a hydrogen fuel storage communicating hydrogen fuel from the hydrogen fuel storage to the nozzle line; a pre-cooling line connected to the fueling line downstream from the hydrogen fuel storage to pre-cool hydrogen fuel; and a flow-path selector provided at a connection between the fueling line and the pre-cooling line, the flow-path selector selectively;
blocking hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and the nozzle line; and
opening hydrogen fuel flow between the fueling line and the pre-cooling line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A pre-cooling controller for a hydrogen fuel dispenser having a fueling line connecting a hydrogen fuel storage and a nozzle line of a nozzle for dispensing hydrogen fuel to a receptacle, a pre-cooling circuit including a pre-cooling line connected to the fueling line at a position downstream from the hydrogen fuel storage, and a flow-path selector provided at a connection between the fueling line and the pre-cooling line, the flow-path selector selectively:
- blocking hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and the nozzle line; and
opening hydrogen fuel flow between the fueling line and the pre-cooling line, the pre-cooling controller comprising;a condition detector detecting a predetermined hydrogen fuel dispenser condition; and a flow-path selector controller controlling the flow-path selector to;
open hydrogen fuel flow between the fueling line and the pre-cooling line when the predetermined hydrogen fuel dispenser condition is detected by the condition detector; and
otherwise block hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and the nozzle line. - View Dependent Claims (14, 15, 16, 17, 18, 19)
- blocking hydrogen fuel flow between the fueling line and the pre-cooling line while opening hydrogen fuel flow between the fueling line and the nozzle line; and
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20. A hydrogen fuel dispenser, comprising:
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a nozzle dispensing hydrogen fuel to a receptacle, the nozzle including a nozzle line through which hydrogen fuel is dispensed to the receptacle; a fueling line connecting the nozzle line to a hydrogen fuel storage communicating hydrogen fuel from the hydrogen fuel storage to the nozzle line; a pre-cooling circuit having a pre-cooling line; and a holster stowing the nozzle, the holster including a downstream pre-cooling line connected to the pre-cooling line, wherein the nozzle line engages and communicates with the downstream pre-cooling line when the nozzle is stowed in the holster so that hydrogen fuel flows from the fueling line into the pre-cooling line through the nozzle line and the downstream pre-cooling line.
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Specification