Refrigerant receiving apparatus
AssigneeParker-Hannifin Corporation
InventorsRaymond P. Arno, David R. Arno, John A. Carlin
Life of this patent
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Abstract
A system for modulating refrigerant flow from an evaporator of an air or gas drying apparatus wherein the air or gas drying apparatus has an evaporator shell with at least one exit orifice for return of refrigerant to an accumulator or compressor. The system comprising a flow metering structure connected to the at least one exit orifice, the structure having an internal tube with a vertical rise from an evaporator shell end to an accumulator or compressor end, the internal tube having at least one return orifice (a) which allows passage of liquid refrigerant outside the internal tube into the internal tube, and at least one return orifice (b) which allows passage of gas outside the internal tube into the internal tube.
Claims17
A system for modulating refrigerant flow from an evaporator of an air or gas drying apparatus wherein said gas or drying apparatus has an evaporator shell with at least one exit orifice for return of refrigerant to an accumulator or compressor, said system comprising a flow metering structure connected to said at least one exit orifice enclosed within a closed container mounted on said evaporator shell, said structure having an internal tube with a vertical rise from an evaporator shell end to an accumulator or compressor end, said internal tube having at least one return orifice (a) which allows passage of liquid refrigerant outside said internal tube into said internal tube, and at least one return orifice (b) which allows passage of gas outside said internal tube into said internal tube.
A system for modulating liquid flow in a mixed flow of liquid and gas, said flow from a liquid filled tank to an accumulator or compressor, said system comprising an enclosed container having a top and bottom wherein said bottom is mounted on said liquid filled tank, said enclosed container having a top from which liquid and gas exit and an internal tube through which liquid and gas flow to said top, said internal tube having an orifice to allow liquid to enter said internal tube at a bottom portion and an orifice to allow gas to enter at a top portion.
A system for modulating refrigerant flow from an evaporator of an air or gas drying apparatus wherein said air or gas drying apparatus has an evaporator shell with at least one exit orifice for return of refrigerant to an accumulator or compressor, said system comprising:
- a closed container mounted on the evaporator shell;
- a cap on said closed container;
- a communication between said evaporator shell and said closed container to allow flow of liquid refrigerant;
- a tube internal to said closed container having:
- atop portion and a bottom portion;
- an outlet at said top portion through said cap of said closed container;
- a series of four small orifices serially displaced from proximate to said bottom portion upwards towards said cap;
- and two larger orifices distal to said bottom portion;
- said larger orifices having a diameter about ½ the diameter of said internal tube and said smaller orifices having a diameter about ⅕ the diameter of said larger orifices.
Dependencies are inferred from the claim text.