Solar heating systems

Details Solar heating systems Solar heating systems

1979-08-13

1981-04-14

Yeung, James C.

Stoves and furnaces

Tool having fluid fuel burner

Curling iron

126416, 126422, 137 62, 137861, 417185, 165 35, 165 71, 165103, F24J 302

Patent

active

042613329

ABSTRACT:
A solar heating system for a swimming pool and the like is disclosed. The system includes a circulation circuit having a pump by which water is withdrawn from the pool, passed through a filter and returned to the pool. A solar collector assembly is provided and has flow and return lines connected in said circuit. The flow line is connected to a venturi unit in the main circuit and a control valve is provided immediately downstream of the venturi unit. When the control valve is closed, water is diverted through the venturi unit and into the solar collector assembly for heating. When the valve is open, the venturi unit induces a suction effect in the flow line which causes the solar collector assembly to be positively drained into the circuit. A vacuum breaker admits air to the collector assembly at this time.

REFERENCES:
patent: 3299881 (1967-01-01), Koch
patent: 3906928 (1975-09-01), Wright
patent: 4102328 (1978-07-01), Stiff
patent: 4133338 (1979-01-01), Honikman
patent: 4153040 (1979-05-01), Harrison
patent: 4191166 (1980-03-01), Saarem et al.

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