Air compressor

The present disclosure relates to air compressors and more particularly, to a portable air compressor having a compact and lightweight design.

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

Air compressors have been found to be useful for numerous tasks including inflating tires and rafts, providing compressed air to power tools such as power nailers, impact wrenches, ratchets and other uses. The availability of compressed air sources is generally limited, based upon the common necessity for an AC power source. Furthermore, the size and weight of typical air compressors can prohibit the use of air compressors in certain instances.

A portable air compressor is provided including a compact lightweight construction which is provided with a DC electric motor that allows the compressor to be driven by a vehicle battery or other DC power sources. The air compressor can include a crank assembly connected to a first end of the drive shaft of the electric motor. A connecting rod can be attached to the crank assembly. A piston is connected to the connecting rod. A cylinder assembly is fixedly mounted relative to a first end of the electric motor and receives the piston therein. A fan can be drivingly attached to a second end of the drive shaft and a shroud can surround the fan for directing cooling air axially along the motor housing from the second end towards the first end. An intercooler assembly is connected to the cylinder assembly for receiving compressed air from the cylinder assembly.

Further areas of applicability will become apparent from the description provided herein. It should be understood that the description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the present disclosure.

DRAWINGS

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way.

FIG. 1 is a perspective view of an air compressor according to the principles of the present disclosure;

FIG. 2 is a perspective view of the air compressor shown in FIG. 1 with the optional handle removed;

FIG. 3 is a partially exploded perspective view of the motor/compressor assembly and fan assembly according to the principles of the present disclosure;

FIG. 4 is an end view of the motor/compressor assembly according to the principles of the present disclosure;

FIG. 5 is a perspective view of the crank case according to the principles of the present disclosure;

FIG. 6 is an exploded perspective view of the crank case connecting rods and piston assemblies according to the principles of the present disclosure;

FIG. 7 is a perspective view showing the assembly of the connecting rods and pistons to the crank case and electric motor according to the principles of the present disclosure;

FIG. 8 is a partial cross-sectional view of the assembly shown in FIG. 7;

FIG. 9 is a partially exploded perspective view of the cylinder assemblies being mounted to the crank case according to the principles of the present disclosure;

FIG. 10 is a perspective view of the base of the compressor according to the principles of the present disclosure;

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Portable air compressor
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Axial piston compressor
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