Gas supply device, hydrogen station, and gas supply method
AssigneeKobe Steel, Ltd.
InventorsKenji Nagura, Hitoshi Takagi, Takuro Uba
Life of this patent
Estimating the term…
Abstract
A gas supply device includes a first compressor that compresses hydrogen gas, an accumulator disposed downstream of the first compressor and supplying the hydrogen gas to a dispenser that fills the hydrogen gas in a vehicle, and a gas flow passage that connects the first compressor, the accumulator, and the dispenser, and a control device. The gas flow passage includes a lead-in line for leading the hydrogen gas into the accumulator, a lead-out line for leading out the hydrogen gas from the accumulator, a lead-in side valve, and a lead-out side valve. The control device is capable of simultaneously bringing the lead-in side valve and the lead-out side valve into an open state.
Claims6
A gas supply method by a gas supply device, the gas supply device including:
- a first compressor that is connected with a gas supply source to compress the gas supplied from the gas supply source;
- an accumulator disposed downstream of the first compressor for receiving the gas from the first compressor to accumulate and supply the gas to filling equipment that fills the gas in a tank carried by a vehicle;
- and
- a gas flow passage that connects the first compressor, the accumulator, and the filling equipment, the gas flow passage including:
- a first line connecting the first compressor and the filling equipment with each other;
- and
- a second line connecting the first line and the accumulator with each other;
- a first valve provided on the first line and between the first compressor and the accumulator;
- a second valve provided on the first line and between the accumulator and the filling equipment;
- a third valve provided on the second line;
- and
- the first valve being arranged upstream of the third valve, and the second valve being arranged downstream of the third valve;
- a pressure detecting section provided on the first line of the gas flow passage,
- the gas supply method comprising:
- a step of detecting a pressure of the first line by the pressure detecting section;
- a step of controlling the first compressor, the first to third valves to perform based on the pressure detected by the pressure detecting section one of:
- a differential pressure filling operation of supplying the gas from accumulator to the filling equipment according to a pressure difference between a gas pressure in the accumulator and a gas pressure in the filling equipment;
- a series differential pressure filling operation of supplying the gas from the first compressor to the accumulator and, at the same time, the gas from the accumulator to the filling equipment according to the pressure difference between the gas pressure in the accumulator and the gas pressure in the filling equipment;
- and
- a direct filling operation of supplying the gas from the first compressor to the filling equipment.
Dependencies are inferred from the claim text.