Structured Manufacturing Data (2026)

Refrigerator Evaporator Fan Motor

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Refrigerator Evaporator Fan Motor used in the Manufacture of Domestic Appliances sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Refrigerator Evaporator Fan Motor is characterized by the integration of Stator Assembly and Rotor. In industrial production environments, manufacturers listed on CNFX commonly emphasize Copper winding wire construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Electric motor driving airflow across refrigerator evaporator coils

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Product Specifications

Technical details and manufacturing context for Refrigerator Evaporator Fan Motor

Definition
A compact electric motor specifically designed to power the fan that circulates cold air across the evaporator coils in domestic refrigerators and freezers. This component is critical for maintaining uniform temperature distribution throughout the appliance's storage compartments. It operates continuously during cooling cycles to ensure efficient heat exchange and prevent frost buildup. The motor must balance reliable performance with minimal noise and vibration in household environments.
Working Principle
Converts electrical energy into rotational mechanical energy through electromagnetic induction, spinning a fan blade assembly to create directed airflow across heat exchange surfaces.
Common Materials
Copper winding wire, Laminated silicon steel, PBT plastic housing, Stainless steel shaft
Technical Parameters
  • Rotational speed under load (RPM) Customizable
  • Operating voltage range (V) Customizable
Components / BOM
  • Stator Assembly
    Creates rotating magnetic field
    Material: Laminated silicon steel with copper windings
  • Rotor Part
    Rotates within magnetic field to produce torque
    Material: Steel laminations with aluminum conductors
  • Shaft Part
    Transmits rotational force to fan blades
    Material: Stainless steel
  • Bearings Part
    Supports shaft rotation with minimal friction
    Material: Sintered bronze or ball bearings
  • Housing Part
    Protects internal components and provides mounting
    Material: PBT plastic or aluminum

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Refrigerator Evaporator Fan Motor.

evaporator blower motor refrigerator circulation fan motor cooling fan motor quiet refrigerator evaporator fan motor replacement copper winding evaporator fan motor 120V AC low noise refrigerator cooling fan motor PBT housing evaporator fan motor OEM stainless steel shaft refrigerator fan motor

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (non-pressurized environment)
other spec: Airflow rate: 50-300 CFM, Voltage: 115V AC ±10%, Humidity: 0-95% RH non-condensing
temperature: -40°C to +70°C
Media Compatibility
✓ Refrigerant-cooled air (R134a, R404A environments) ✓ Dry air in sealed refrigeration systems ✓ Low-particulate commercial/industrial air
Unsuitable: High-moisture condensing environments or direct liquid contact
Sizing Data Required
  • Required airflow (CFM) for evaporator coil
  • Available voltage and electrical characteristics
  • Physical mounting constraints and shaft dimensions

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Lubricant degradation due to high humidity and temperature cycling, leading to increased friction and wear
Winding insulation breakdown
Cause: Moisture ingress and condensation forming on windings, causing short circuits and electrical failure
Maintenance Indicators
  • Unusual grinding or scraping noises from the motor housing
  • Reduced airflow from refrigerator vents despite normal compressor operation
Engineering Tips
  • Install a moisture-resistant seal around the motor housing to prevent condensation accumulation
  • Implement periodic infrared thermography inspections to detect abnormal heat patterns in motor windings before failure

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems IEC 60034-1:2022 - Rotating Electrical Machines UL 1004-1:2021 - Standard for Electric Motors
Manufacturing Precision
  • Shaft Runout: ≤0.05mm
  • Bearing Clearance: +0.01/-0.00mm
Quality Inspection
  • Vibration Analysis Test
  • Insulation Resistance Test

Factories Producing Refrigerator Evaporator Fan Motor

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Frequently Asked Questions

What is the typical lifespan of a refrigerator evaporator fan motor?

Properly installed evaporator fan motors typically last 7-12 years, depending on usage patterns and maintenance. Our motors feature copper windings and quality bearings for extended durability.

How do I know if my refrigerator evaporator fan motor needs replacement?

Common signs include reduced cooling efficiency, unusual noises (grinding or buzzing), frost buildup in the freezer, or the refrigerator not maintaining consistent temperatures. Always consult a technician for proper diagnosis.

Are these motors compatible with all refrigerator brands?

While our motors are designed to industry standards, compatibility varies by refrigerator model. Check specifications for voltage (V AC), shaft diameter (mm), mounting configuration, and electrical connections before purchasing.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Manufacture of Domestic Appliances.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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