Check valve and spring to prevent forward and reverse thermosiphoning in solar collector systems
Patent
·
OSTI ID:5950052
A freeze protection system allows the working fluid contained in the communicating tubes of the solar collector to drain from both the input and output tubes of the collector when a first predetermined temperature of the working fluid is detected and to fill the collector via both the input and output tubes when a second predetermined temperature is detected.
- Assignee:
- Sunspool Corporation
- Patent Number(s):
- US 4541412
- OSTI ID:
- 5950052
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
141000* -- Solar Collectors & Concentrators
ACTUATORS
CONTROL
CONTROL EQUIPMENT
CONVECTION
DESIGN
DRAIN-DOWN SYSTEMS
ENERGY TRANSFER
EQUIPMENT
FLAT PLATE COLLECTORS
FLOW REGULATORS
FLUIDS
FREEZE PROTECTION
HEAT TRANSFER
HEAT TRANSFER FLUIDS
MACHINE PARTS
MASS TRANSFER
SOLAR COLLECTORS
SOLAR EQUIPMENT
SPRINGS
TEMPERATURE CONTROL
THERMOSYPHON EFFECT
VALVES
141000* -- Solar Collectors & Concentrators
ACTUATORS
CONTROL
CONTROL EQUIPMENT
CONVECTION
DESIGN
DRAIN-DOWN SYSTEMS
ENERGY TRANSFER
EQUIPMENT
FLAT PLATE COLLECTORS
FLOW REGULATORS
FLUIDS
FREEZE PROTECTION
HEAT TRANSFER
HEAT TRANSFER FLUIDS
MACHINE PARTS
MASS TRANSFER
SOLAR COLLECTORS
SOLAR EQUIPMENT
SPRINGS
TEMPERATURE CONTROL
THERMOSYPHON EFFECT
VALVES