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Direct-heating solar-collector dump valveFive-port ganged valve isolates collector from primary load system pressure and drains collectors, allowing use of direct heating with all its advantages. Valve is opened and closed by same switch that controls pump or by temperature sensor set at O C, while providing direct dump option.
Document ID
19770000367
Document Type
Other - NASA Tech Brief
Authors
Howikman, T. C. (Elcam Inc.)
Date Acquired
August 8, 2013
Publication Date
March 1, 1977
Publication Information
Publication: NASA Tech Briefs
Volume: 2
Issue: 4
ISSN: 0145-319X
Subject Category
PHYSICAL SCIENCES
Report/Patent Number
MFS-23679
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.