Industry-Verified Manufacturing Data (2026)

Impeller/Roller Cell

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Impeller/Roller Cell used in the Motor Vehicle Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Impeller/Roller Cell is characterized by the integration of Impeller Vane / Roller and Hub / Center Plate. In industrial production environments, manufacturers listed on CNFX commonly emphasize Engineering Plastic (e.g., POM, PEEK) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A key rotating component within a fuel pump that creates pressure and moves fuel.

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Product Specifications

Technical details and manufacturing context for Impeller/Roller Cell

Definition
The impeller/roller cell is the central rotating assembly in a fuel pump, typically consisting of an impeller with vanes or rollers housed in a cell. As it rotates, it draws fuel in, accelerates it, and discharges it under pressure to the fuel system. This component is critical for generating the hydraulic pressure required for fuel injection in internal combustion engines.
Working Principle
The impeller or rollers are mounted on a shaft driven by an electric motor. Rotation creates a centrifugal force or positive displacement action, depending on the pump design (e.g., turbine-style impeller or roller vane). This action reduces the volume at the inlet, drawing fuel in, and then increases pressure by forcing the fuel through a restricted outlet towards the engine.
Common Materials
Engineering Plastic (e.g., POM, PEEK), Stainless Steel, Carbon Steel
Technical Parameters
  • Outer diameter of the impeller/roller assembly, critical for fit within the pump housing. (mm) Per Request
Components / BOM
  • Impeller Vane / Roller
    Directly contacts and imparts kinetic energy to the fuel.
    Material: Engineering Plastic or Steel
  • Hub / Center Plate
    Central structure connecting vanes/rollers to the drive shaft.
    Material: Steel or Aluminum
Engineering Reasoning
0.5-15 bar differential pressure
Cavitation occurs at vapor pressure threshold of 0.0313 bar absolute (fuel vapor pressure at 20°C), material fatigue failure at 10^7 cycles with stress amplitude exceeding 350 MPa
Design Rationale: Cavitation-induced pitting from localized pressure drops below fuel vapor pressure, leading to surface erosion and material loss; high-cycle fatigue from alternating stresses exceeding S-N curve endurance limit
Risk Mitigation (FMEA)
Trigger Fuel contamination with particulate matter exceeding 10 μm diameter
Mode: Abrasive wear on impeller vane leading edges causing 0.1 mm material loss per 1000 hours
Strategy: Install 5 μm absolute filtration with differential pressure monitoring at 0.3 bar warning threshold
Trigger Thermal cycling between -40°C and 150°C operating temperatures
Mode: Thermal fatigue cracking at stress concentration points with crack propagation rate of 10^-8 m/cycle
Strategy: Material selection with coefficient of thermal expansion below 11×10^-6/°C and stress relief heat treatment at 650°C for 2 hours

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Impeller/Roller Cell.

Fuel Pump Rotor Pump Impeller fuel pump impeller replacement automotive roller cell specifications PEEK impeller for fuel injection stainless steel fuel pump component impeller vane BOM automotive

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Fuel Pump
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 15 bar (217 psi)
flow rate: 10-500 L/min
temperature: -40°C to 150°C
slurry concentration: Up to 5% solids by weight
Media Compatibility
✓ Gasoline/Diesel fuels ✓ Kerosene/Jet fuels ✓ Biofuels (FAME, HVO)
Unsuitable: Abrasive slurries with >5% solids or corrosive chemicals
Sizing Data Required
  • Required flow rate (L/min)
  • System pressure requirement (bar)
  • Fuel viscosity at operating temperature (cSt)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive wear on impeller blades
Cause: Handling slurry or fluids with suspended solids without proper material selection or protective coatings, leading to material loss and reduced efficiency.
Fatigue cracking at blade roots
Cause: Cyclic loading from flow-induced vibrations or cavitation, often exacerbated by improper alignment or resonance frequencies in the system.
Maintenance Indicators
  • Increased vibration levels or audible knocking during operation, indicating imbalance or mechanical looseness.
  • Visible pitting or material loss on impeller surfaces, often accompanied by reduced pump performance or pressure fluctuations.
Engineering Tips
  • Implement regular vibration analysis and balancing to detect early-stage imbalances and prevent fatigue failures.
  • Apply wear-resistant coatings (e.g., tungsten carbide) on impeller surfaces and ensure proper filtration of fluids to minimize abrasive damage.

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 (Balance quality requirements for rotors) ANSI/ASME B46.1-2009 (Surface Texture) DIN 1944 (Ventilation; impellers; dimensions, requirements, testing)
Manufacturing Precision
  • Bore diameter: ±0.025 mm
  • Blade thickness uniformity: ±0.1 mm
Quality Inspection
  • Dye Penetrant Test for surface defects
  • Coordinate Measuring Machine (CMM) for dimensional verification

Factories Producing Impeller/Roller Cell

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

P Procurement Specialist from Germany Jan 07, 2026
★★★★★
"Standard OEM quality for Motor Vehicle Manufacturing applications. The Impeller/Roller Cell arrived with full certification."
Technical Specifications Verified
T Technical Director from Brazil Jan 04, 2026
★★★★★
"Great transparency on the Impeller/Roller Cell components. Essential for our Motor Vehicle Manufacturing supply chain."
Technical Specifications Verified
P Project Engineer from Canada Jan 01, 2026
★★★★★
"The Impeller/Roller Cell we sourced perfectly fits our Motor Vehicle Manufacturing production line requirements."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

17 sourcing managers are analyzing this specification now. Last inquiry for Impeller/Roller Cell from UAE (39m ago).

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Frequently Asked Questions

What materials are commonly used for impeller/roller cells in automotive fuel pumps?

Common materials include engineering plastics like POM (acetal) and PEEK for lightweight, corrosion-resistant applications, and metals like stainless steel or carbon steel for high-durability and high-pressure environments.

What is the function of an impeller/roller cell in a vehicle fuel pump?

The impeller/roller cell is a rotating component that creates pressure and moves fuel from the tank to the engine, ensuring consistent fuel delivery for optimal engine performance and efficiency.

What are the main components in a typical impeller/roller cell BOM?

A typical bill of materials includes the impeller vane or roller, which generates flow, and the hub or center plate, which provides structural support and mounting within the fuel pump assembly.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Motor Vehicle Manufacturing sector.

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