H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 7/00 (2006.01) H02J 15/00 (2006.01)
Patent
CA 2673792
A power stealing circuit for stealing power to operate a control device is disclosed. In one illustrative embodiment, power may be periodically or intermittently diverted from a power source to a power stealing block. When power is diverted to the power stealing block, the power stealing block may steal power from the power source and store the stolen power on a storage device. The storage device may then provide operating power to a control device. In some embodiments, the power stealing block may include a first path for charging the storage device when a switch is ON, and a second path for charging the storage device when the switch is off. The switch may be switched OFF when, for example, when the voltage provided by the rectifier is greater than a threshold voltage, the voltage detected on the storage device is greater than a threshold value, and/or when a control signal from a controller disables the switch.
Meilleur Benoit
Simard Pierre
Tousignant Daniel
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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