Refrigeration system with bypass valves

Patent · Tue Jan 12 04:00:00 EST 1988

OSTI ID:5282392

Van Steenburgh, Jr, L R

A refrigeration system is described comprising an evaporator, means controlling the flow of a liquid refrigerant at a reduced pressure to the evaporator for producing a gaseous refrigerant at a lower pressure and temperature in the evaporator, a compressor for receiving the gaseous refrigerant from the evaporator and compressing the refrigerant to produce a refrigerant at an increased temperature and pressure, and a condenser remote from the compressor and evaporator for receiving the refrigerant at increased temperature and pressure and condensing the same to a liquid. There is also receiver for receiving the condensed liquid refrigerant, means normally supplying the condensed liquid from the receiver to the evaporator flow controlling means, the condenser being subject to low temperatures on the order of about -20/sup 0/C, a first bypass valve for supplying gaseous refrigerant at the increased pressure and temperature to the interior of the receiver and bypassing the condenser when the pressure in the receiver falls below a predetermined value, and a second bypass valve for supplying gaseous refrigerant at the increased pressure and temperature directly to the evaporator and bypassing the evaporator flow controlling means when the pressure in the evaporator falls below a predetermined value.

• Assignee: NOV; EDB-88-078293; NOV-88-003046
• Patent Number(s): US 4718245
• OSTI ID: 5282392
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
COMPRESSORS
CONTROL EQUIPMENT
DESIGN
EQUIPMENT
EVAPORATORS
FLOW REGULATORS
FLUID FLOW
FLUIDS
LIQUID FLOW
OPERATION
REFRIGERANTS
REFRIGERATORS
RELIEF VALVES
VALVES
WORKING FLUIDS