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Application — Wheelchair & Mobility

BLDC Motor For Electric Wheelchair And Mobility Devices.

Electric wheelchairs and mobility devices are deeply personal products where motor performance directly affects the user's daily quality of life. A brushless DC motor offers quieter indoor operation, longer range from the same battery and years of maintenance-free service compared to brushed alternatives. Shenghe builds compact BLDC gear motors for powered wheelchairs, mobility scooters, patient transfer aids and stair climbers.

  • 24V standard medical device voltage
  • 100W — 500W compact geared motors
  • Below 40 dB(A) for indoor use
  • Electromagnetic brake for slope safety
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Why BLDC For Wheelchairs

Replacing Brushed DC Motors In Mobility Equipment

  • No brush wear means years of maintenance-free daily use
  • 90-93% efficiency extends range 15-20% from the same battery
  • Below 40 dB(A) noise allows comfortable indoor and hospital use
  • Smooth low-speed control for precise joystick manoeuvring
  • Compact size fits inside wheelchair hub or frame tube
  • No carbon brush dust eliminates air quality concerns for users

Typical Wheelchair Motor Spec Range

ParameterRange
VoltageDC 24V
Rated power100 W — 500 W
Motor speed3000 — 4500 RPM
Gear ratio15:1 — 30:1 (planetary)
Output torque5 Nm — 20 Nm per motor
NoiseBelow 40 dB(A)
BrakeElectromagnetic parking brake
Weight0.6 kg — 2.0 kg per motor

Typical Wheelchair And Mobility Use Cases

  • Powered wheelchairs: Dual rear-wheel drive with joystick control for indoor and outdoor use
  • Mobility scooters: Single rear motor drive for 3-wheel and 4-wheel travel scooters
  • Patient transfer aids: Lift motor for sit-to-stand devices and patient hoists
  • Stair climbers: Track-drive motor for portable stair-climbing wheelchair attachments
  • Power-assist hubs: Hub-integrated BLDC motor for manual wheelchair power-assist conversion
  • Rehabilitation devices: Motorised exercise wheels for physical therapy and gait training

Safety And Design Details For Mobility Applications

  • Electromagnetic brake: Automatically engages on power loss to prevent rolling on slopes
  • Dual-motor redundancy: Independent motor-controller pairs maintain partial mobility if one channel fails
  • Low-speed smoothness: FOC control provides jitter-free motion at walking speed
  • Compact packaging: Motor diameter from 57 mm fits standard wheelchair tube frames
  • Medical-grade connectors: Locking connectors prevent accidental disconnection
  • Compliance ready: Motor design supports EN 12184 and ISO 7176 wheelchair safety standards

Motor For Your Wheelchair Design?

Send user weight range, target speed, slope requirement and frame dimensions. We recommend a motor-gearbox-brake assembly and quote within one working day. Or request the catalog to compare the full mobility drive range.

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