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    • 38. 发明专利
    • An Overtemperature Protection System for a Solar Water Heater System
    • AU2010201846B2
    • 2011-07-21
    • AU2010201846
    • 2010-05-07
    • RHEEM AUSTRALIA PTY LTD
    • BRENDAN BOURKERAYMOND HILL
    • F24J2/48F16K31/64F24J2/04F24S10/70G05D23/02
    • The present invention provides a solar hot water heating system including one or more solar energy absorbers having at least a first fluid circulation path wherein, an overtemperature path is provided, the overtemperature path including a pressure vessel which is normally closed to atmosphere, the overtemperature path being connected to the first fluid circulation path so that, in the event that fluid in the solar energy absorber vaporizes, the fluid is forced out of the solar energy absorber and into the pressure vessel. The present invention also provides a solar hot water heating system including one or more solar energy absorbers having a heat transfer fluid circulation path, therethrough, the heat transfer fluid circulation path including a heat exchanger, wherein, an overtemperature path is provided, the overtemperature path including a pressure vessel which is normally closed to atmosphere, the overtemperature path being connected to the heat transfer fluid circulation path so that, when heat transfer fluid in the solar energy absorber vaporizes, the heat transfer fluid is forced out of the solar energy absorber and into the pressure vessel. The present invention also provides a temperature sensitive valve having a flow path and a valve member operated by a thermal element having thermal expansion characteristic, the valve including a support member against which the thermal element expands to force the valve element to close the flow path. 120 E) -128 -108 102-, FIGURE 4 408