skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Solar anti-reverse siphon system

Patent ·
OSTI ID:5950209

This patent describes an anti-reverse siphon solar heating system consisting of: (a) a fluid chamber having an inlet and an outlet; (b) a continuous flow passageway comprising in normal downstream order: (i) an ascending passageway open and originating in the lower portion of the chamber and passing up through the top of the chamber; (ii) an anti-reverse siphon loop with a rising portion insulated and connected to the top of the ascending passageway and extending upward, an uppermost transverse portion, and a falling portion descending downwardly to define a downstream loop end; (iii) an ascending heating chamber with a heating element in thermal contact; (iv) a descending passageway connected to the downstream loop end and extending downward into a connection with the bottom of the ascending heating chamber and insulated from the heating chamber; (v) a return passageway connecting between the top of the heating chamber and the top of the fluid chamber; and, (c) the uppermost portion of the loop is higher than the uppermost portion of the ascending heating chamber, and the uppermost portion of the fluid chamber being at least as high as 1 foot beneath the uppermost portion of the ascending heating chamber.

Assignee:
NOV; EDB-86-086299
Patent Number(s):
US 4567878
OSTI ID:
5950209
Resource Relation:
Patent File Date: Filed date 28 May 1985
Country of Publication:
United States
Language:
English