What types of motors do dishwashers on the market use?
Jun 16, 2026
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A household dishwasher typically requires several modules to support fully automatic operation: a washing module, a drying system, a drainage module, and auxiliary modules. Micro motors play a significant role in this. Specific motor types and functions are as follows:
I. Washing Module Motors
1. Main Washing Motor (DC Brushless Motor)
Location: Bottom, connected to the spray arm system
Function: Drives the spray arms to rotate, generating high-pressure water to rinse dishes. Supports frequency conversion adjustment to adapt to washing intensity requirements.
2. Water Pump Motor (Micro Gear Motor or Brushless Motor)
Location: Inlet water pipe or circulating water circuit
Function: Pressurizes and circulates water to ensure effective high-pressure rinsing.
II. Drying System Motors
1. Hot Air Fan Motor (DC Brushless Motor)
Location: Top or rear air duct
Function: Drives the fan to circulate hot air, accelerating the drying process.
III. Drainage Module Motors
1. Drain Pump Motor (Miniature DC Motor or Miniature Gear Motor)
Location: Bottom drain pipe
Function: Drains washing wastewater and residue; some models support a forced-drain mode to handle oily wastewater.
IV. Auxiliary Function Motors
1. Dish Basket Lifting Motor (Miniature Gear Motor)
Location: Inside the dish basket support
Function: Adjusts the height of the dish basket to accommodate different tableware sizes.
2. Smart Door Control Motor (Gear Motor)
Location: Door hinge
Function: Controls the automatic opening and closing of the door, enabling steam release during the drying stage.
3. Disinfection Module Motor (Miniature DC Motor)
Location: Near the UV lamp arm or plasma generator
Function: Drives the disinfection components to move, enhancing sterilization coverage. For a smart dishwasher, the types of miniature motors used include brushed DC motors, brushless motors, and geared motors.
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