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US 8,710,406 B2Granted
Safety device and method for electric heating appliances
AssigneeConair Corporation
InventorsDaniel Lee Sanders, Jonathan G Berera
Life of this patent
Estimating the term…
Abstract
An appliance includes a plurality of electrical loads and a load control circuit including at least a clock enable circuit and a full power timer. The clock enable circuit is configured and operatively connected to activate the full power timer when all of the loads are energized, and the full power timer is configured and operatively connected to de-energize at least one load selected from the plurality of loads on reaching a predetermined full power time limit.
Claims14
An over current protection circuit for an appliance, the circuit comprising:
- a plurality of contacts for sensing a plurality of corresponding load currents;
- a full power timer configured and operatively connected to reduce a total current Iavg in the appliance on reaching a full power time limit T1;
- and
- a clock enable circuit configured and operatively connected to operate the full power timer only while all of the contacts sense corresponding load currents.
1 more element
An appliance comprising:
- a plurality of electrical loads;
- and
- a load control circuit including at least a clock enable circuit and a full power timer,
- wherein the clock enable circuit is configured and operatively connected to activate the full power timer when all of the loads are energized, and the full power timer is configured and operatively connected to de-energize at least one load selected from the plurality of loads on reaching a predetermined full power time limit.
1 more element
Dependencies are inferred from the claim text.