| 摘要 |
A thermostat including a central and primary bi-metallic member further includes a mounting flange, with the mounting flange including a plurality of apertures directed therethrough to permit coolant flow therethrough in the event of failure of the primary bi-metallic member. A modification of the invention includes each by-pass aperture including bi-metallic valving, wherein each bi-metallic valve of the bi-metallic valving of each respective aperture is arranged at a varying temperature gradient to permit increased by-pass coolant flow dependent upon operating temperature of the coolant.
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