Secondhand Plusmed PM-KN01 HB-006 Oxygen Concentrator Motor

Objective AI Report

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Report date: 26.11.2025

Dual-Head Piston Compressor Motor Analysis Report

Device Identification

The product in the image is a dual-cylinder (dual-head) air compressor or vacuum pump motor used in industrial or medical devices. The design structure of the product indicates an oil-less piston compressor mechanism. It is not a standalone end-user product but an internal main component (spare part) of a device.

Brand and Model

On the product, there is a white rectangular area on the motor block and a thin barcode label on the pipe connecting the cylinders. However, no readable brand logo, model number, or distinguishing text can be clearly discerned in these areas in the image. The information on the label is erased, blank, or unreadable due to the angle of the shot. Therefore, no definitive brand or model has been specified to avoid misdirection.

Originality

The general metal casting quality and workmanship of the product appear to conform to industrial standards. However, since definitive marks such as brand labels or holograms are not clearly visible, it cannot be verified from the image whether the product is an original from a specific brand or an aftermarket production.

Areas of Use

These types of compressor motors are generally used in medical and industrial devices requiring high pressure or vacuum:

• Medical Devices: Oxygen concentrators, nebulizers, or surgical aspirator devices.
• Dental Equipment: Small-scale air sources used in dental units.
• Industrial Applications: Automation systems, vacuum packaging, or ozone generators.

Quantity Information

The image shows 1 dual-head compressor motor block.

General Condition

Upon visual inspection, the device appears to be in a used (second-hand) or stored spare part condition. Slight dullness on metal surfaces and adhesive residue on the left head indicate that the product may have been previously used in an assembly or stored on a shelf.

Physical Deformity and Cosmetic Examination

• Cylinder Heads: There is a transparent tape or packaging residue on the top part of the left cylinder head. No cracks or significant dents are observed on the metal cooling blocks (heat sinks).
• Body: The cast aluminum body is generally robust. No significant corrosion or rust is apparent.
• Brass Fitting: The brass elbow fitting emerging from the right cylinder head shows no blackening; its threads or structure appear intact.

Mechanical Components

The cylinder blocks on both sides of the motor and the metal piping connecting them physically maintain their integrity. Cooling fans (if any) attached to the motor shaft are not visible from this angle as they are enclosed within the casing. The screw holes in the mounting feet are not deformed and are ready for installation.

Electronic Components and Windings

Copper windings (stator) are visible through the ventilation grilles on the lower side parts of the motor. The windings are dark orange/copper in color; no obvious signs of burning, blackening, or melting have been observed visually. Black electrical cables are visible emerging from the rear of the motor, but it is not clear whether there is a socket at the end of the cables; the cables are loose.

Accessories

No original box, user manual, or external connection screws are present with the product in the image. The yellow brass L-fitting (elbow) attached to the right-side outlet port is the only accessory available on the motor. Additionally, the capacitor (condenser) required for the motor’s operation is not seen mounted or loose in the image; this part may be missing.

Battery Status

This product is a motor that operates by connecting directly to the electrical grid (AC). It does not contain an internal or external battery.

Potential Failure Risk

Although the product appears mechanically sound visually, the copper windings visible through the side cover openings are exposed to dust and external factors. It is important to perform electrical insulation tests before using the device. Additionally, due to the loose cable ends, attention should be paid to cable safety during installation. There is no visible “broken/fragmented” area that would impede operation.