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- Ingersoll Rand
- 47667845001 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 47667845001 47638842001 Air Filter Main Core is a primary air-filtration component used in compatible Ingersoll Rand compressor systems. It removes dust, dirt, and other airborne contaminants from the incoming air stream before the air reaches the compressor’s internal components.
For a compressor operating in an industrial environment, intake air can contain particles generated by production processes, vehicle movement, packaging materials, or general plant dust. Preventing these contaminants from entering the compression system helps reduce contamination of downstream compressor components and supports consistent operating conditions.
The main air filter core is normally serviced as part of the compressor’s preventive maintenance program. Its condition can affect intake-air resistance, filtration performance, and the overall cleanliness of the compressor air path. Replacement is appropriate when the element reaches its service condition or when inspection indicates excessive contamination or restriction.
The 47638842001 component can be considered together with the compressor intake system, oil circuit, air/oil separator, and monitoring controls when maintaining the complete compressor package.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Ingersoll Rand |
| Part Number | 47667845001 |
| Component Number | 47638842001 |
| Product Type | Air Filter Main Core |
| Primary Function | Compressor intake-air filtration |
| System Role | Primary air filtration component |
| Application | Industrial compressor systems |
| Installation | Compressor air intake system |
| Dimensions | 330 × 180 × 180 mm |
| Weight | 2.5 kg |
Product Features
- Main air filter core for compatible Ingersoll Rand compressor equipment
- Removes airborne contaminants from compressor intake air
- Helps limit dust and particulate entry into the compression system
- Supports cleaner operation of downstream compressor components
- Suitable for preventive compressor maintenance
- Used in industrial compressed-air equipment
- Suitable for replacement during scheduled service
Working Principle
The 47638842001 air filter main core is installed in the compressor intake path. Ambient air enters the filter housing and passes through the filtration media before reaching the compressor inlet.
Particles and other airborne contaminants are captured by the filter media, while filtered air continues toward the compression element. This prevents a portion of the contaminants present in the surrounding environment from entering the compressor.
A typical intake path is:
Ambient Air → 47638842001 Air Filter Main Core → Compressor Intake → Compression Element → Compressed Air System
As contaminants accumulate on the filter media, airflow resistance can increase. A restricted filter may therefore affect compressor intake conditions and operating efficiency. Filter condition should be assessed together with available compressor indications and the manufacturer’s applicable maintenance requirements.
The main air filter should not be confused with the oil filter or air/oil separator. Each component serves a different part of the compressor system and requires its own inspection and replacement procedure.
Role in Compressor Air Intake Architecture
The 47667845001 47638842001 Air Filter Main Core forms the first major filtration stage in the compressor’s intake-air path. Its position upstream of the compression element allows contaminants to be removed before they enter the internal compressor system.
Ambient Air → Air Filter Main Core → Intake System → Compression Element → Compressed Air Outlet
| System Element | Function |
|---|---|
| Ambient Air | Provides the air entering the compressor |
| 47638842001 Air Filter | Removes airborne particulate contamination |
| Filter Housing | Supports and seals the intake filter assembly |
| Compressor Intake | Directs filtered air toward the compression element |
| Compression Element | Compresses the incoming air |
| Air/Oil Separator | Separates oil from compressed air in applicable systems |
| Oil Filter | Filters contaminants from the compressor oil circuit |
| Compressor Controller | Monitors and manages compressor operating conditions |
The condition of the intake filter can influence the air path upstream of the compression element, so intake restriction should be considered when diagnosing abnormal compressor performance.
Industrial Applications
| Application | Typical Use |
|---|---|
| Industrial Screw Compressors | Primary intake-air filtration |
| Manufacturing Plants | Protection from plant dust and airborne particles |
| Process Air Systems | Maintaining clean compressor intake air |
| Packaging Facilities | Compressor intake filtration in production areas |
| Workshop Compressor Systems | Routine air-filter replacement |
| Plant Utility Systems | Intake protection for compressed-air equipment |
| OEM Compressor Packages | Replacement main filter component |
| Compressor Service Operations | Preventive maintenance and filter servicing |
Installation and Maintenance
- Confirm that the 47667845001 / 47638842001 air filter is specified for the compressor model being serviced.
- Shut down and isolate the compressor according to the applicable maintenance procedure.
- Allow the compressor intake system to reach a safe service condition before opening the filter housing.
- Clean the area around the filter housing to prevent loose contamination from entering the intake path.
- Remove the existing main filter core using the appropriate service procedure.
- Inspect the filter housing, sealing surfaces, and associated intake components for contamination or damage.
- Compare the replacement filter with the removed element before installation.
- Install the new filter correctly and ensure that all sealing surfaces are properly seated.
- Reassemble the filter housing and verify that the intake path is securely closed.
- Start the compressor under controlled conditions and check for abnormal intake noise or operating indications.
- If an intake restriction or abnormal compressor response remains, inspect the filter housing, intake ducting, and other components in the air path.
- Record the filter replacement and continue monitoring the compressor according to the applicable preventive-maintenance schedule.
Compatible System Components
| Component | Function |
|---|---|
| Air Filter Housing | Holds and seals the intake filter assembly |
| Compressor Intake Duct | Transfers ambient air toward the compression element |
| Screw Compression Element | Compresses the filtered intake air |
| Oil Filter | Filters contaminants from the compressor oil circuit |
| Air/Oil Separator | Separates oil from compressed air |
| Oil Cooler | Controls circulating compressor-oil temperature |
| Compressor Controller | Monitors and controls compressor operating functions |
| Intake Restriction Monitor | Indicates abnormal resistance in the intake path |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Ingersoll Rand 47638842001 | Air Filter Main Core | Compressor intake-air filtration |
| Ingersoll Rand 47638843001 | Air Filter Safety Filter | Secondary compressor intake filtration |
| Ingersoll Rand 476678 Series | Compressor Filter | Compressor filtration and maintenance |
| Ingersoll Rand Air Filters | Air Filter | Compressor intake filtration |
| Ingersoll Rand Oil Filters | Oil Filter | Compressor lubrication filtration |
| Ingersoll Rand Oil Separators | Oil Separator | Separation of oil from compressed air |
Key Advantages
- Filters airborne contaminants before they enter the compressor
- Helps protect the compression element from intake contamination
- Supports cleaner compressor intake conditions
- Suitable for industrial environments with varying levels of airborne dust
- Useful for scheduled compressor maintenance
- Forms part of the compressor’s overall filtration and air-management system
Technical FAQs
What is the difference between the 47638842001 main core and a safety air filter?
The main core serves as the primary intake filtration element. A safety filter, where fitted in the compressor configuration, provides an additional filtration stage and helps protect the intake system if the primary element is removed or compromised.
How can a contaminated air filter affect compressor operation?
As contamination builds up, airflow resistance can increase. This can restrict the intake path and may contribute to abnormal compressor operating conditions, so filter condition should be considered when investigating intake-related performance problems.
Can the 47638842001 be cleaned instead of replaced?
The replacement procedure should follow the applicable Ingersoll Rand compressor maintenance requirements. Improper cleaning can damage filtration media or compromise sealing, so a filter that has reached its service condition should normally be replaced using the specified procedure.
What should be checked when a new air filter does not resolve an intake restriction?
Inspect the complete intake path, including the filter housing, seals, ducting, intake passages, and any restriction-monitoring components. The filter itself may not be the source of the restriction if abnormal intake resistance remains after replacement.