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Centrifugal Blowers

Hydrogen Recirculation Centrifugal Blowers - BNHP-35 Series

Barber-Nichols, Inc.

  • Partial-emission centrifugal blower architecture
  • Hermetic design with no dynamic seals
  • Aluminum housings
  • High-speed ceramic ball bearings
  • Liquid-cooled motor and controller
  • Variable speed up to 40,000 rpm
  • Integrated sensor or sensorless controllers
  • CAN or RS422 communications
  • Weight 4.5 kg
  • Passed environmental qualification testing

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Description Vendor

The BNHP-35 Series Hydrogen Recirculation Blower is a centrifugal blowers product from Barber-Nichols for hydrogen and fuel-cell system applications. Its specified configuration includes Max rotational speed 40,000 rpm; weight 4.5 kg; partial-emission centrifugal; hermetic no-dynamic-seal design; liquid-cooled motor/controller. Its principal deployment contexts include fuel-cell anode hydrogen recirculation and automotive fuel-cell systems. The technical design also includes partial-emission centrifugal blower architecture, hermetic design with no dynamic seals, aluminum housings, high-speed ceramic ball bearings. Its documented capability set includes recirculates hydrogen within a fuel-cell anode loop; provides variable-speed operation up to 40,000 rpm; communicates over CAN or RS422. For system designers evaluating centrifugal blowers, these details define the model's operating values, physical or control characteristics, and the functions available for integration into the relevant hydrogen process or electrochemical system. The product can also be applied in aerospace fuel-cell systems, with selection based on the stated specifications and the surrounding system requirements.

Use Cases

  • Fuel-cell anode hydrogen recirculation
  • Automotive fuel-cell systems
  • Aerospace fuel-cell systems
  • Fuel-cell balance-of-plant gas circulation

Capabilities

  • Recirculates hydrogen within a fuel-cell anode loop
  • Provides variable-speed operation up to 40,000 rpm
  • Communicates over CAN or RS422
  • Integrates controller functions in sensor or sensorless configurations
  • Uses liquid cooling for motor and controller
Barber-Nichols, Inc. Barber-Nichols, Inc. designs and manufactures specialized turbomachinery for demanding fluid and gas applications. Its verified hydrogen products in this batch include a liquid-hydrogen centrifugal pump and hydrogen recirculation blowers for fuel-cell systems.
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