Patent ID: 6471488
Filing Date: 2002-10-29
Classification: F04B

Abstract:
A compressor comprising:a housing containing fluid compressing structure constructed and arranged to provide a supply of fluid under pressure; said housing including a main housing body having an interior reservoir positioned and configured to receive an oil suitable to lubricate said fluid compressing structure and an cover fixedly attached to said main housing body which is upright when said housing is in an oil changing position; said cover having an oil discharge opening extending through a lower portion thereof when said housing is in said oil changing position; the lowest surface defining the oil discharge opening being disposed at substantially the same level as a bottom surface defining said reservoir when said housing is in said oil changing position; the highest surface defining said oil discharge opening being above the normal static free surface level of the oil within said reservoir when said housing is in said oil changing position; a removable plug in said oil discharge opening which when removed allows oil in said reservoir to flow outwardly of said oil discharge opening; said cover having an upwardly facing oil flow engaging and configuring surface extending from said opening for defining the discharge flow configuration of oil flowing out of said opening when said plug is removed.