Hydrogen filling apparatus and hydrogen filling method
AssigneeHonda Motor Co., Ltd.
InventorTakuro Uemura
Life of this patent
Estimating the term…
Abstract
A hydrogen filling apparatus fills a hydrogen tank, for example, mounted on a fuel cell vehicle with hydrogen stored in a hydrogen storage tank. After the hydrogen tank has started to be filled with hydrogen in a hydrogen filling process, the hydrogen filling process is stopped for a predetermined time, and a temperature and a pressure in the hydrogen tank are detected while the hydrogen filling process is being stopped. Thereafter, a time needed to fill the hydrogen tank with a predetermined amount of hydrogen is calculated based on detected values of the temperature and the pressure, and the calculated time is displayed on a display unit.
Claims5
A hydrogen filling apparatus for filling a hydrogen tank with hydrogen, the hydrogen filling apparatus comprising:
- a filling controller configured to, after the hydrogen tank has started to be filled with hydrogen in a hydrogen filling process, stop the hydrogen filling process for a predetermined time, before the hydrogen tank is filled up to a predetermined amount,
- wherein a sensor detects a temperature and a pressure in the hydrogen tank while the hydrogen filling process is stopped;
- a control device configured to calculate a timed needed to fill the hydrogen tank with the predetermined amount of hydrogen based on detected values of the temperature and the pressure;
- and
- a display unit configured to display the time,
- wherein the hydrogen filling process includes an initial filling stage before the hydrogen filling process is stopped for the predetermined time and a normal filling stage in which the hydrogen filling process is resumed after the temperature and the pressure are detected while the hydrogen filling process is being stopped, and wherein the initial filing stage is shorter in duration than the normal filling stage.
A hydrogen filling method for filling a hydrogen tank with hydrogen, the method comprising:
- starting to fill the hydrogen tank with hydrogen in a hydrogen filling process;
- stopping the hydrogen filling process for a predetermined time;
- detecting a temperature and a pressure in the hydrogen tank during said predetermined time when the hydrogen filling process is stopped;
- resuming the hydrogen filling process;
- and
- calculating q time needed to fill the hydrogen tank with a predetermined amount of hydrogen based on detected values of the temperature and the pressure, after the hydrogen filling process is resumed,
- wherein the hydrogen filling process includes an initial filling stage before the hydrogen filling process is stopped for the predetermined time and a normal filling stage in which the hydrogen filling process is resumed after the temperature and the pressure are detected while the hydrogen filling process is being stopped, and wherein the initial filling stage is shorter in duration then the normal filling stage.
Dependencies are inferred from the claim text.