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- Ingersoll Rand
- 47661942001 47638842001
- Air Filter Main Core
- USA
- 330 × 180 × 180 mm
- 2.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Ingersoll Rand 47661942001 / 47638842001 Air Filter Main Core is a replacement air-intake filtration component used in compatible Ingersoll Rand compressor systems. It sits on the intake side of the compressor and filters airborne contaminants before they can enter the compression system.
In an industrial workshop, the compressor may continuously draw in air containing dust, metal particles, fibers, or general production-area contamination. The air filter main core captures this particulate material as intake air passes through the filtration element, helping keep the compressor’s internal air path cleaner.
This type of filter is particularly relevant to compressor maintenance because the intake filter is exposed directly to the surrounding environment. A compressor installed near machining equipment, material handling operations, dusty production areas, or outdoor air sources can accumulate contamination in the filter over time.
The 47661942001 and 47638842001 part numbers should be checked against the compressor’s existing service documentation before replacement. Part-number verification is especially important when servicing older compressor installations where several filter configurations may look similar.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Model / Part Number | 47661942001 / 47638842001 |
| Product Type | Air Filter Main Core |
| Application | Air Compressor |
| System Position | Compressor Air Intake |
| Primary Function | Intake Air Filtration |
| Dimensions | 330 × 180 × 180 mm |
| Weight | 2.5 kg |
Product Features
- Ingersoll Rand Air Filter Main Core
- Part numbers 47661942001 / 47638842001
- Used on the compressor intake side
- Filters particulate contamination from incoming air
- Suitable for compressor maintenance and replacement
- Intended for compatible Ingersoll Rand compressor systems
- Supports routine air-intake filter servicing
- Suitable for industrial compressor installations
- Useful when replacing a contaminated or service-worn intake filter core
- Can be incorporated into an existing compressor maintenance program
Working Principle
The filter core works directly in the compressor’s incoming-air path.
Ambient Air → Air Filter Main Core → Compressor Intake → Compression System
When the compressor draws ambient air, the air passes through the filter media. Particulate contamination is retained by the filter while the filtered air continues toward the compressor intake.
The condition of the filter changes as dust and other contaminants accumulate. A heavily loaded filter can increase resistance in the intake path, so filter inspection is normally part of routine compressor service.
The actual replacement interval depends on the compressor installation and operating environment. A machine operating in a clean plant room will generally experience a different contamination load from one operating in a dusty manufacturing area.
Role in an Ingersoll Rand Compressor System
The 47661942001 / 47638842001 filter core belongs to the first stage of air handling before compression.
Ambient Air → Intake Filtration → Compressor Airend → Compressed Air Treatment → Plant Air System
| System Element | Function |
|---|---|
| Air Filter Main Core | Removes particulate contamination from incoming air |
| Air Intake Assembly | Directs filtered air toward the compressor |
| Compressor Airend | Compresses the incoming air |
| Compressor Motor | Drives the compression element |
| Air/Oil Separator | Separates oil from compressed air in applicable oil-injected systems |
| Oil Filter | Removes contaminants from compressor lubricant |
| Aftercooler | Reduces compressed-air temperature where applicable |
| Air Receiver | Stores compressed air and supports system pressure management |
| Downstream Filter | Provides additional compressed-air filtration when required |
Industrial Applications
| Application | Typical Use |
|---|---|
| Manufacturing Plants | Intake filtration for production compressors |
| Machine Shops | Filtering airborne particles around compressor intake systems |
| Automotive Production | Compressor intake maintenance in industrial production areas |
| Metalworking Facilities | Replacement of intake filter cores exposed to workshop contamination |
| Packaging Plants | Maintaining compressor air-intake filtration |
| Process Industries | Routine service of plant compressed-air equipment |
| Utility Air Systems | Replacement filtration for industrial compressors |
| Compressor Maintenance | Scheduled replacement of contaminated intake filter components |
Installation and Maintenance
- Verify the complete 47661942001 / 47638842001 part number before ordering.
- Confirm compatibility with the specific Ingersoll Rand compressor.
- Shut down the compressor according to the approved service procedure.
- Isolate applicable electrical and compressed-air energy sources.
- Allow the equipment to reach a safe maintenance condition.
- Open the air filter housing according to the compressor service instructions.
- Remove the existing filter core carefully.
- Inspect the filter housing and sealing surfaces for dirt or damage.
- Check the intake path for loose contamination or foreign material.
- Install the replacement filter core in the correct position.
- Confirm that the filter is properly seated before closing the housing.
- Reassemble the intake filter housing.
- Restart the compressor and check the intake system for abnormal conditions.
- Record the filter replacement in the compressor maintenance history.
Filter inspection should take into account both operating hours and the surrounding environment. Heavy dust loading can make an intake filter require attention earlier than a standard maintenance schedule would suggest.
Compatible System Components
| Component | Function |
|---|---|
| 47661942001 / 47638842001 Air Filter Main Core | Filters incoming compressor air |
| Air Filter Housing | Holds and seals the filter core |
| Air Intake Assembly | Guides filtered air into the compressor |
| Compressor Airend | Performs air compression |
| Air/Oil Separator | Separates oil from compressed air in applicable systems |
| Oil Filter | Filters compressor lubricant |
| Compressor Controller | Monitors and controls compressor operation |
| Aftercooler | Cools compressed air after compression where applicable |
| Air Receiver | Stores compressed air for the plant system |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| 47661942001 | Air Filter Main Core | Compatible compressor intake filtration |
| 47638842001 | Air Filter Main Core | Replacement filter application |
| Ingersoll Rand Compressor Air Filter Elements | Air Intake Filter | Routine compressor service |
| Ingersoll Rand Air Filter Assemblies | Compressor Intake Filter Assembly | Intake air filtration |
| Ingersoll Rand Oil Filters | Compressor Oil Filter | Compressor lubrication-system maintenance |
| Ingersoll Rand Air/Oil Separators | Separator Element | Oil-injected compressor maintenance |
Key Advantages
- Filters particulate contamination from compressor intake air.
- Suitable for compatible Ingersoll Rand compressor systems.
- Supports routine compressor air-intake maintenance.
- Available under the 47661942001 / 47638842001 part-number identification.
- Suitable for replacement of contaminated or service-worn filter cores.
- Helps maintain the filtration stage ahead of the compressor airend.
- Applicable to industrial compressor maintenance programs.
Technical FAQs
What is the function of the 47661942001 Air Filter Main Core?
The 47661942001 is an air filter main core used on the compressor intake side. It filters particulate material from ambient air before that air enters the compressor.
What should be verified when replacing 47638842001?
The complete part number should be compared with the existing compressor documentation, along with the compressor model and air-filter housing configuration. Physical appearance alone should not be used as the only compatibility check.
How does a dirty intake filter affect compressor operation?
As contamination accumulates in the filter media, airflow resistance can increase. This can affect the compressor’s intake conditions, so filter condition should be checked as part of normal compressor maintenance.
Is the air filter main core part of the compressed-air filtration system?
It belongs to the compressor intake filtration system, rather than the downstream compressed-air treatment stage. Its job is to filter ambient air before compression. Additional filters may be installed after the compressor when the compressed air requires further treatment.