US 5,205,314 AGranted

Air compressor condensate removal system

AssigneeJames A. Kyer

InventorOdis A. Moore

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Abstract

An expansion chamber is attached between two air compression stages of an air compressor or between an air compression stage and the air holding tank of the air compressor. The expansion chamber has a cylindrically shaped wall with top and bottom portions attached so as to define an enclosed inner chamber. The enclosed inner chamber may have one or more baffle plates located therein. Various designs of baffle plate arrangements provide different air circulating patterns within the expansion chamber. Since the expansion chamber is exposed to the ambient environment, the compressed air heated in the compression process is cooled down in the expansion chamber. This cooling down of the compressed air as well as the expansion of the compressed air as it circulates within the enclosed inner chamber causes any moisture suspended in the compressed air to drop out and go to the bottom of the expansion chamber. Black pipe arrangements are provided to supply the compressed air to as well as bleed the compressed air from the expansion chamber. In this way the compressed air is thermally isolated from the ambient temperature except in the expansion chamber.

A condensate removal system for removing condensate from an air compressor system having at least one compression chamber stage for discharging compressed air into an air holding tank, said condensate removal system comprising:

an expansion chamber having a cylindrically shaped wall and a top portion at the top end of said cylindrically shaped wall as well as a bottom portion at the bottom end of said cylindrically shaped wall;
an air inlet connected to a first side of said cylindrically shaped wall for allowing compressed air to enter said expansion chamber along with any moisture suspended in the air;
an air outlet connected to a second side of said cylindrically shaped wall opposite said first side for discharging from said expansion chamber said compressed air circulating therein;
a drain outlet located on said bottom portion;
a first black pipe arrangement connected at one end to said air inlet for directing compressed air entering a second end of said first black pipe arrangement to said air inlet;
and
a second black pipe arrangement connected at one end to said air outlet for directing air exiting said air outlet to a second end of said second black pipe arrangement;
said expansion chamber comprising:
a top circular baffle plate located therein whose outer perimeter is in contact with said cylindrically shaped wall, wherein said top circular baffle plate is located below said air outlet a first predetermined distance;
a bottom circular baffle plate located therein whose outer perimeter is in contact with said cylindrically shaped wall, wherein said bottom circular baffle plate is located below said air outlet a second predetermined distance, wherein said second predetermined distance is greater than said first predetermined distance, and wherein said air inlet is located below said air outlet by a third predetermined distance greater than said second predetermined distance;
a first, second, and third circular cutout each located on said top circular baffle plate, wherein each of said first, second, and third circular cutouts are equally spaced from the other two circular cutouts located on said top circular baffle plate;
and
a fourth, fifth, and sixth circular cutout located on the bottom circular baffle plate, wherein each of said fourth, fifth and sixth circular cutouts are equally spaced from the other two circular cutouts located on said bottom circular baffle plate,
wherein not one of said fourth, fifth, and sixth circular cutouts are located directly below any of said first, second, and third circular cutouts, and
wherein said top portion and said bottom portion both comprise semi-spherical hollow portions.

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Abstract

Claims5