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US 10,502,611 B2Granted
Calibration apparatus
AssigneeTatsuno Corporation
InventorsTsutomu Otaki, Norikazu Osawa
Life of this patent
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Abstract
To provide a calibration device for apparatus filling a gas such as hydrogen gas and capable of precisely measuring quantity of the gas such as hydrogen gas that are filled at high pressure. A calibration device 100 according to the present invention includes a measurement housing 10 accommodating a filling vessel 2 to which a high pressure fuel gas is fed from outside; a scale 3 for measuring a weight of a fuel gas fed to the filling vessel 2; and a main body housing 10 accommodating the measurement housing 1 and the scale 3.
Claims11
A calibration device comprising:
- a measurement housing accommodating a filling vessel to which a high pressure fuel gas is fed from outside;
- a dew-point instrument coupled to the measurement housing for measuring a dew-point temperature in the measurement housing;
- a dry gas pipe detachably mounted to the measurement housing, the dry gas pipe being sized and structured to carry dry gas to the measurement housing;
- a scale positioned outside of the measurement housing and operative for measuring a weight of a fuel gas fed to the filling vessel;
- a main body housing accommodating the measurement housing and the scale;
- a fluid receiving port mounted on the measurement housing and engageable with a nozzle of a source of high pressure fuel gas from which the high pressure gas is fed;
- and
- a filling gas supply line extending between the fluid receiving port and the filling vessel.
5 more elements
Dependencies are inferred from the claim text.