High power factor boost rectifier apparatus
December 10, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3851182 Bridge-doubler rectifier Switching power supply circuit having constant output for a wide range of input voltage Low power consuming AC to DC converter Low ripple, high power factor a-c to d-c power supply EMI reduction circuit Switching AC voltage regulator Low/high input voltage power supply Boost/buck DC/DC converter Power supply system having improved input power factor InventorsAssigneeApplicationNo. 165404 filed on 12/10/1993US Classes:323/222, Using choke and switch across source363/143110/220 Volts A.C. in, constant 110 Volts D.C. outExaminersPrimary: Stephan, Steven L.Assistant: Nguyen, Matthew Attorney, Agent or FirmInternational ClassesG05F 001/10H02M 007/04 AbstractA power supply for providing a single level dc output voltage, with input power factor correction, from a wide range of ac input voltages commonly available worldwide. The power supply rectifier circuit can be configured as a full wave bridge for high line voltage inputs and as a voltage doubler for low voltage inputs. Output voltage regulation and power factor correction are accomplished by a high frequency boost circuit having two inductors connected in parallel for the low input voltage configuration and in series for the high input voltage configuration. The high frequency switching semiconductor components are connected in a series circuit which limits their voltage requirement to one-half the output voltage.Other References
Field of SearchUsing choke and switch across sourceHaving a winding in series with the source and load (e.g., buck-boost) Switched (e.g., switching regulators) With inductor in control circuit Having a windng in series with the source and load (e.g., buck-boost) Including an A.C.-D.C.-A.C. converter By semiconductor rectifier and inverter With voltage multiplication means (i.e., V out > V in) Including semiconductor means For rectifying With voltage division by storage type impedance (i.e., V out) With auxiliary bucking or boosting EMF With means to connect the input to diverse power sources 110/220 Volts A.C. in, constant 110 Volts D.C. out | |
