초록

A refrigeration chiller makes use of the flow of oil from an oil sump location to the chiller's compressor to power an eductor to return oil which has made its way to the evaporator of the chiller system from the evaporator to the compressor.

대표청구항 ▼

[ What is claimed is:] [1.]1. A refrigeration chiller comprising:a condenser;an expansion device;an evaporator;a compressor, said condenser, said expansion device, said evaporator and said compressor being connected for flow to form a refrigeration circuit;a source location from which oil is supplie

[ What is claimed is:] [1.]1. A refrigeration chiller comprising:a condenser;an expansion device;an evaporator;a compressor, said condenser, said expansion device, said evaporator and said compressor being connected for flow to form a refrigeration circuit;a source location from which oil is supplied to said compressor when said chiller is in operation, a portion of said oil making its way to said evaporator after being supplied to said compressor; andoil return apparatus, said oil return apparatus being connected for flow to said source location, to said compressor and to said evaporator so that the flow of oil being supplied to said compressor from said source location causes oil to be returned to said compressor from said evaporator.