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Research and Development Activities in the Past

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In order to respond to the needs of our times, our Research & Development Center has promoted research and development of microcomputer meters for LP gas and FRP composite containers. Steady efforts have also been given for accident analyses and various types of other research and development activities.
In recent years, we have actively promoted evaluation of materials used with hydrogen, for performing our roles in realizing a hydrogen society. In the process, we have accumulated basic data necessary for establishing new technical standards, etc.

Track records of research and development activities in the field of high pressure gas

Project period Research theme Description Outcome
Prior to
1996-1999		 Study on safety conformity inspection period for safety devices Continuous utilization of safety valves for four years Article 14 of the Notification Specifying Details of Technical Standards Relating to the Location, Structure, and Equipment for Production Facilities and Production Methods: conformity of Safety Inspection
1998-2002 Survey and research on fatigue design method Preparation of fatigue design curve KHKS0220
2003-2005 Technical standards survey for fuel cell systems (1) Evaluation on standards for establishing 40 MPa hydrogen gas-fueling station, FRP container for 35 MPa hydrogen
  • Article 7-3 of the Ordinance on Safety of General High Pressure Gas
  • JARIS001
  • JIGA-T-S12/04
2006-2010 Technical standards survey for disseminating fuel cell systems (1) Evaluation on standards for establishing 82 MPa hydrogen gas-fueling station, FRP container for 70 MPa hydrogen
  • Article 7-3 of the Ordinance on Safety of General High Pressure Gas
    (Revision to 82 MPa)
  • KHKS0128
2010-2012 Research and development for establishing standards related to hydrogen infrastructures (3) SUS316L, A6061, nickel equivalents
  • Section 9 of the exemplified standards related to the Ordinance on Safety of General High Pressure Gas
  • KHKS0128
2011-2012 Study on distance between facilities when compressed natural gas-fueling station is established adjacently to a hydrogen-fueling station (2) － Section 56-3 of the exemplified standards related to the Ordinance on Safety of General High Pressure Gas
2014 Safety evaluation and study on standards for compressed hydrogen motorcycle containers Container for hydrogen motorcycle Appendix 13 of the exemplified standards related to the Container Safety Ordinance
2013-2017
Currently
underway		 Research and development for expanding steel types among metallic materials used with hydrogen-fueling station Expansion of operating temperature range for SUS316, SUH660, copper alloy Section 9 of the exemplified standards related to the Ordinance on Safety of General High Pressure Gas
  (1) Material for compressed hydrogen automobile used under 70 MPa and 35 MPa (2) Installation distance between hydrogen-fueling station and compressed natural gas-fueling station facilities (3) Metallic material used with 82 MPa hydrogen-fueling station
Specific description

高圧水素ガス雰囲気において材料試験（外圧疲労試験）を実施 イメージ

Conducted a material test (external pressure fatigue test) in a high-pressure hydrogen gas atmosphere

Project contracted by METI in FY2003 to FY2005
Technical Standards Survey for Fuel Cell Systems
Project contracted by METI in FY2006 to FY2010
Technical Standards Survey for Disseminating Fuel Cell Systems

水素火炎のシミュレーション イメージ

Evaluated the installation distance between hydrogen gas-fueling station and compressed natural gas-fueling station facilities, through flame simulation

Simulation of hydrogen flame
Project contracted by METI in FY2012
Study on Distance between Facilities When compressed natural gas-fueling Station is Established Adjacently

Organized the test data on SUS316 austenite-based stainless steel based on nickel equivalents.

SSRT test

劣化しない例
Example that did not show deterioration

劣化する例
Example that showed deterioration

Project contracted by NEDO in FY2009
Study on Basic Physical Properties of Materials Used with Hydrogen
Outcome Provided necessary data for establishing the exemplified standards for FRP composite containers used under 70 MPa and 35 MPa Provided necessary data for establishing Section 56-3 of the exemplified standards related to the Ordinance on Safety of General High Pressure Gas Provided necessary data for revising Section 9 of the exemplified standards related to the Ordinance on Safety of General High Pressure Gas

Track records of research and development activities in the field of LP gas

Project period Research theme Description Outcome
1975-1978 Prevention of overturning of containers, development of automatic aseismic shutoff device － KHKS0714
1975-1980 Study on odor attachment by LP gas Amount of odorant to be added Item 2, Paragraph 2, Article 6 of the Liquefied Petroleum Gas Safety Ordinance
1979-1984 Development of safety devices Evaluation on safety adaptors KHKS0722
1980-1982 Study on rubber pipes － KHKS0717, KHKS0708
1983-1987 Development of gas discharge preventing-type valve for containers (1) － KHKS0719
1985-1990 Development of lightweight containers for rationalizing distribution － Appendices 6 and 9 of the exemplified standards related to the Container Safety Ordinance, KHKS0121, etc.
1985-2017
Currently
underway		 Development of centralized monitoring system that enables safety measures to be implemented simultaneously with rationalization of distribution (2), (3) Development of LP gas microcomputer meters II, S, E, etc. KHKS
0726, 0728, 0729, 0730, 0737, etc.
Study on communication specifications for centralized monitoring system Standard specifications for centralized monitoring systems, etc.
1994-1995 Development of corrosion measuring instrument for buried pipes Diagnosis based on rate of change in energization Section 41 of the exemplified standards related to the Enforcement Ordinance for the Act on the Securing of Safety and the Optimization of Transaction of Liquefied Petroleum Gas (the “LP Gas Act”)
1998 Survey on impacts of coating colors on LP gas containers Coating colors on LP gas containers Item 1, Paragraph 1, Article 10 of the Container Safety Ordinance
1998-2001 Development of comprehensive monitoring technology used with consumption equipment for preventing CO poisoning Battery-driven CO alarm, etc Rules for verification of LP gas incomplete combustion alarm
2003-2005 Survey on lightweight roof or shielding plate Application of fiber-reinforced cement boards (non-asbestos slate) Section 3 of the exemplified standards related to the Enforcement Ordinance for the LP Gas Act
  (1) Development of gas discharge preventing-type valve for containers (2) Development of microcomputer meters (3) Standardization of centralized monitoring systems
Specific description

Conducted tests on valves for tension-type and vortex-type gas discharging containers.

張力式及び過流式のガス放出型容器用弁の実験を実施 イメージ

Conducted field tests on microcomputer meters aimed at standardization

基準化に向けたマイコンメータのフィールドテスト等を実施 イメージ

Standardized the communication standards in line with the development of microcomputer meters.

マイコンメータの開発と併せて通信規格の標準化を実施 イメージ
Outcome Provided necessary data for establishing the standard for device preventing discharge of liquefied petroleum gas (KHKS0719) Prepared the draft standards for S-type (membrane-type) and E-type (ultrasonic-type) microcomputer meters (KHKS0733, KHKS0741) Prepared the standard specifications for wired and wireless communication systems