Electric circuit for wiring a heating element
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United States of America Patent
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Issued Date -
Dec 28, 2006
app pub date -
Jun 23, 2006
filing date -
Jun 23, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electric circuit for wiring at least one heating element has a first and a second selector switch (2, 3), which has a neutral position (3a) and at least one non-fixable switching position (3b, 3c), a relay (4), which has a relay-actuated contact (5) that is open when the relay (4) is disconnected from the supply voltage and which is closed when the relay (4) is acted on by the supply voltage, and a thermal switch (9) which is in contact with the heating element (7) and opens when a predetermined temperature has been reached, where the relay (4) and the thermal switch (9) are connected in series. When the contact (5) is closed, the heating element (7) is acted on by the supply voltage. Setting the selector switch (2, 3) to the first non-fixable switching position (3b) causes the relay (4) to change the switching status of the contact (5) from open to closed or vice versa.
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