行业组件数据 · 2026

压缩机叶轮

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

技术定义与适配语境
典型 压缩机叶轮 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

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.

组件规格

定义
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.
工作原理
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.
材料
Typically aluminum alloys (e.g.26184032) for gasoline applications due to lightweight and good strength at moderate temperatures. For diesel/high-performance applicationstitanium 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.
Trim
40-100
Max RPM
Up to 300,000
Diameter
40-150 mm
A/R Ratio
0.4-1.2
Flow Rate
10-150 lb/min
Blade Count
6-12 blades
Pressure Ratio
1.5-4.5:1
Exducer Diameter
35-140 mm
Inducer Diameter
30-120 mm
标准
ISO 9001ISO/TS 16949DIN 1940SAE J922

行业分类与别名

压缩机叶轮 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Ingestion of debris through intake->Blade damage, imbalance, reduced efficiency->Install air filters, regular inspection, use protective screens
Excessive exhaust energy->Overspeed, material yielding, catastrophic rupture->Implement wastegates, boost controllers, speed sensors
High-cycle fatigue from rotational stresses->Crack initiation at blade roots, eventual fracture->Design with fatigue-resistant materials, stress relief features, regular NDT
Oil starvation in bearings->Shaft seizure, wheel contact with housing->Ensure proper lubrication systems, oil quality monitoring

工业生态与工程逻辑

0
Foreign object damage (FOD)
1
Overspeed leading to burst
2
Fatigue failure from cyclic loading
3
Surge/stall conditions
4
Corrosion or erosion

合规与检测

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

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

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.

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请求制造能力信息: 压缩机叶轮

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