INDUSTRY COMPONENT

Compressor Wheel

A compressor wheel is a rotating component in a turbocharger that compresses intake air to increase engine power and efficiency.

Component Specifications

Definition
The compressor wheel is a precision-engineered centrifugal impeller that forms the core of a turbocharger's compressor stage. Mounted on a common shaft with the turbine wheel, it rotates at high speeds (typically 100,000-300,000 RPM) to draw in ambient air and accelerate it radially outward through centrifugal force. This kinetic energy is converted to pressure energy in the compressor housing's diffuser section, resulting in compressed air that is delivered to the engine's intake manifold. The aerodynamic design of its blades determines compression efficiency, flow capacity, and surge characteristics.
Working Principle
Operates on centrifugal compression principles. As the wheel rotates, air enters axially through the inducer section, is accelerated radially by curved blades, and exits at high velocity into the diffuser. The diffuser converts kinetic energy to static pressure, increasing air density before it enters the engine. Rotation is driven by exhaust gases spinning the turbine wheel connected via a common shaft.
Materials
Typically aluminum alloys (e.g., 2618, 4032) for gasoline applications due to lightweight and good strength at moderate temperatures. For diesel/high-performance applications, titanium alloys (e.g., Ti-6Al-4V) or advanced composites may be used for higher temperature resistance and strength. Surface treatments like anodizing or coatings (e.g., ceramic) can enhance durability.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Trim40-100
Max RPMUp to 300,000
Diameter40-150 mm
A/R Ratio0.4-1.2
Flow Rate10-150 lb/min
Blade Count6-12 blades
Pressure Ratio1.5-4.5:1
Exducer Diameter35-140 mm
Inducer Diameter30-120 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO/TS 16949, DIN 1940, SAE J922

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Foreign object damage (FOD)
  • Overspeed leading to burst
  • Fatigue failure from cyclic loading
  • Surge/stall conditions
  • Corrosion or erosion
FMEA Triads
Trigger: Ingestion of debris through intake
Failure: Blade damage, imbalance, reduced efficiency
Mitigation: Install air filters, regular inspection, use protective screens
Trigger: Excessive exhaust energy
Failure: Overspeed, material yielding, catastrophic rupture
Mitigation: Implement wastegates, boost controllers, speed sensors
Trigger: High-cycle fatigue from rotational stresses
Failure: Crack initiation at blade roots, eventual fracture
Mitigation: Design with fatigue-resistant materials, stress relief features, regular NDT
Trigger: Oil starvation in bearings
Failure: Shaft seizure, wheel contact with housing
Mitigation: Ensure proper lubrication systems, oil quality monitoring

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Balance tolerance: G2.5 per ISO 1940-1; dimensional tolerances: ±0.05 mm on critical features
Test Method
Dynamic balancing testing, flow bench testing, overspeed spin testing, material hardness and microstructure analysis

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Compressor Wheel

3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Tonglint Turbo Technologies Co., Ltd.
Wuxi, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Compressor Wheel”
View source page ↗ tonglint.com · checked 2026-09-16
TURBOKOO
Suzhou, Jiangsu, CN
Also makes: Turbocharger, Exhaust System, Actuator/Sensor and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Billet Compressor Wheel (1)”
View source page ↗ turbokoo.com · checked 2026-09-16
Wuxi Shengyi Industry Co., Ltd.
Wuxi, Jiangsu, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Compressor wheel”
View source page ↗ syturbo.com · checked 2026-09-16

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

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Frequently Asked Questions

What is the purpose of a compressor wheel in a turbocharger?

It compresses intake air to increase its density, allowing more oxygen into the engine for improved combustion, power output, and efficiency.

How does compressor wheel trim affect performance?

Trim (ratio of inducer to exducer diameters squared) influences flow characteristics: lower trim favors high pressure ratios, higher trim favors high flow rates.

Can compressor wheels be interchanged between turbochargers?

Only within compatible families sharing housing designs and shaft specifications; mismatches can cause imbalance, surge, or reduced efficiency.

What causes compressor wheel damage?

Foreign object ingestion (FOD), overspeed, excessive heat, material fatigue, or improper handling during maintenance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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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