Title:
Calibration device
Document Type and Number:
Japanese Patent JP6338202
Kind Code:
B2
Abstract:
To provide a calibration device for an 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 of the present invention is characterized by including a filling vessel, accommodated in a measurement housing, to the filling vessel a high pressure fuel gas such as hydrogen gas being fed from outside of the measurement housing, and a scale for measuring a weight of a fuel gas fed to the filling vessel, wherein a dry gas pipe for feeding a dry gas is detachably mounted in the measurement housing. Here, the scale preferably measures the weight of the fuel gas fed to the filling vessel together with a weight of the measurement housing.
Inventors:
Tsutomu Otaki
Ozawa Kiwa
Ozawa Kiwa
Application Number:
JP2015189381A
Publication Date:
June 06, 2018
Filing Date:
September 28, 2015
Export Citation:
Assignee:
Tatsuno Co., Ltd.
International Classes:
G01G17/04; F17C5/06; G01G21/28; G01G23/01
Domestic Patent References:
| JP5087532U | ||||
| JP2015094617A | ||||
| JP2005134138A | ||||
| JP6103987A | ||||
| JP2002106792A | ||||
| JP4088818U |
Foreign References:
| US4823592 |
Attorney, Agent or Firm:
Takahashi Patent Office