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    • 54. 发明授权
    • Solar heating systems
    • 太阳能供暖系统
    • US4261332A
    • 1981-04-14
    • US66205
    • 1979-08-13
    • John M. Stewart
    • John M. Stewart
    • F24S90/00F24J3/02
    • F24J2/423Y02E10/40Y10T137/1353Y10T137/877
    • 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 The system includes a circulation circuit having a pump by which water is withdrawn from the pool, passed through a filter and returned to the pool.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.
    • 公开了一种用于游泳池等的太阳能加热系统。 该系统包括具有泵的循环回路,通过该泵将水从池中取出,通过过滤器并返回到池中。 提供太阳能收集器组件并且具有连接在所述电路中的流动和返回线。 流路线连接到主回路中的文丘里单元,并且紧靠文丘里单元的下游设置控制阀。 当控制阀关闭时,水通过文丘里管单元转入太阳能收集器组件进行加热。 当阀门打开时,文丘里管单元在流动管线中引起吸力效应,导致太阳能收集器组件被积极地排入回路中。 此时真空破坏器承认空气到集电器组件。