Sintered Oil Pump Gerotors

Sintered Oil Pump Gerotors are inner and outer gear pairs used to pump oil in a controlled, smooth manner. Manufactured using precision powder metallurgy, they feature minimal clearance, tight tolerances, and long operational life—essential for modern engine oiling systems.

Oil Pump Gerotors Features:

High-efficiency pumping action with low noise
Excellent volumetric accuracy and minimal leakage
Made from hardened sintered steel or alloy
Compact, lightweight, and robust design
Suitable for high-speed engine applications
Long wear life even under continuous load

Product Details:

Component Type	Sintered Gerotor Rotor
Material	Sintered Iron Alloy
Surface Finish	Polished
Tooth Profile Type	Trochoidal Curve
Manufacturing Process	Powder Metallurgy, Or Forging
Axial Thickness	5 -12 Mm
Inner Rotor Teeth	One Less Than Outer Rotor (5 In This Case)
Porosity	5 – 25%
Lubrication Type	Self-lubricating
Density	6.5 – 7.3 G/cm³
Gerotors Hardness	60 – 85 HRB
Application	Automotive Engines, Transmission Oil Pumps, Hydraulic System
Temperature Range	0°C To 150°C
Oil Flow Efficiency	High Volumetric Efficient
Concentricity Tolerance	0.02 Mm
Flow Rate (At Rated Speed)	1 – 20 L/min
Wear Resistance	High
Module (Gear Tooth)	Approx 0.8– 1.2 Mm Depends On Design
Manufacturer	Growth Industries
Country Of Origin	India

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Frequently Asked Questions (FAQ)

What is a sintered oil pump gerotor?

A sintered oil pump gerotor is a compact, high-efficiency pumping element used in oil pumps to transfer lubricating oil with smooth flow and minimal pulsation. It consists of an inner and outer rotor, designed using powder metallurgy to achieve precision fit and excellent durability.
What advantages do sintered gerotors offer compared to other designs?

Sintered gerotors provide excellent dimensional accuracy, high wear resistance, and the ability to maintain performance under high-pressure conditions. The sintering process also allows for cost-effective production of complex shapes without extensive machining.
In which industries are sintered gerotors commonly used?

They are widely used in the automotive industry, particularly in engine lubrication systems, as well as in industrial hydraulic equipment, agricultural machinery, and marine engines where reliable oil circulation is essential.
How does Growth Industries ensure the quality of its gerotors?

We follow a rigorous manufacturing protocol, from selecting high-grade alloy powders to implementing precision compaction and controlled sintering processes. Each gerotor undergoes dimensional inspections, hardness tests, and performance evaluations to ensure reliability.
Can these gerotors be produced in custom sizes and profiles?

Yes, we offer fully customized solutions. Our design and engineering teams work with customers to develop gerotors that meet specific operational requirements, including variations in tooth profile, diameter, and material composition.
What materials are typically used for sintered gerotors?

Iron-based powder alloys are commonly used, often with added carbon or copper for enhanced mechanical properties. The material choice depends on the application’s load, speed, and lubrication conditions.
How does the gerotor design improve oil pump efficiency?

The gerotor’s unique tooth profile ensures a consistent oil flow with reduced pulsation, which minimizes wear and heat generation in the pump system, improving the overall efficiency and lifespan of the machinery.
Are sintered gerotors suitable for high-temperature applications?

Yes, our sintered gerotors are engineered to withstand elevated temperatures without losing structural integrity, making them ideal for demanding environments such as automotive engines and heavy-duty industrial equipment.

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