また、本製品は、高い信頼性が求められる「燃料電池車向け車載用高圧水素ガスバルブ」、省エネ性能に強みを持つ油圧製品「回転数制御システム（ECO SERVO）」など、当社がこれまでに開発してきた製品の技術を活用しています。それらの技術によって、高圧ガス摺動シールの長寿命化によるメンテナンス頻度の減少、駆動源となる油圧の消費動力を抑えることで、水素ステーションの修繕費や光熱費を低減し、運営コストの抑制に寄与します。| Hydraulic booster-type hydrogen compressor (appearance) | System configuration diagram |
Kawasaki Heavy Industries will start selling a "large-capacity model hydraulic booster-type hydrogen compressor (hydrogen supply capacity 600 Nm3/h)" for large Commercial Vehicles such as buses and trucks equipped with Fuel Cell Energy (hereinafter referred to as FC HDV※1) from fiscal 2025.
FC HDVs require a large amount of hydrogen as fuel, making refueling at hydrogen stations time-consuming.
To promote the widespread use of FC HDVs in the future, it is essential to realize large-scale hydrogen stations capable of quickly refueling a greater number of vehicles with a high flow of hydrogen, necessitating the increased capacity of hydrogen compressors to compress hydrogen gas within hydrogen stations.
This product is a high-capacity type (hydrogen supply capacity 600 Nm3/h) that enhances the hydrogen supply capacity by changing the combination of the booster, which is the key Component, from the conventional product for medium-sized hydrogen stations (hydrogen supply capacity 300 Nm3/h) already on sale. This allows it to accommodate large-scale hydrogen stations for FC HDVs.
Moreover, this product utilizes technologies from products developed by the company so far, such as the "high-pressure hydrogen gas valve for fuel cell vehicles," which requires high reliability, and the energy-efficient hydraulic product "RPM control system (ECO SERVO)." These technologies contribute to reducing maintenance frequency through the long life of the high-pressure gas sliding seal, and by suppressing the power consumption of hydraulic drive sources, they help lower repair costs and utility expenses at hydrogen stations, thus contributing to the reduction of operation costs.
The company continues to contribute to Carbon Neutrality by realizing large-scale hydrogen stations essential for the spread of FC HDV and promoting the adoption of hydrogen mobility.
Additionally, development of hydrogen compressors aimed at realizing even larger-scale hydrogen stations than the current large-scale hydrogen stations is being conducted as part of the "Technology Development Project for Building a Competitive Hydrogen Supply Chain" by the National Research and Development Agency New Energy and Industrial Technology Development Organization (NEDO), and efforts will continue in this area.
| （１） | Achieving double the supply capacity (600 Nm3/h) compared to conventional products for mid-scale hydrogen stations (300 Nm3/h). Applicable to current large-scale stations (hydrogen supply capacity: 500 Nm3/h or more). (At an intake pressure of 20 MPa) |
| （２） | High reliability and energy efficiency utilizing technologies from products for fuel cell vehicles and hydraulic products. |
| （３） | Hydrogen stations can be used for various hydrogen supply forms such as liquefied hydrogen, high-pressure gas, and hydrogen production (on-site type). (When combined with equipment capable of boosting pressure up to approximately 20 Mpa) |
| 〇 | Type | ： | Hydraulic booster type |
| 〇 | Size | ： | Width 2.8m・Depth 3.0m・Height 2.6m |
| 〇 | Compression Capacity | ： | 600 Nm3/h (at intake pressure 20 MPa) |
| 〇 | Exhaust Pressure | ： | 82MPaG |
| 〇 | Type | ： | Single Stage Compression |
| ※1 | Fuel Cell Heavy-Duty Vehicle | |
| ※2 | A device that compresses hydrogen gas to high pressure by reciprocating the gas piston driven by hydraulic power. | |
| ※3 | NEDO "Technical Development Project for Building a Competitive Hydrogen Supply Chain / Technological Development Related to the Reduction of Costs and Advancement of Hydrogen Stations" |
〇 Started selling energy-efficient hydrogen compressors for hydrogen stations (March 9, 2023)
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