US 11,309,716 B2 · High efficiency power converting apparatus

Abstract

A system includes a transmitter circuit coupled to an input power source, a transmitter coil coupled to the transmitter circuit, a receiver coil magnetically coupled to the transmitter coil, a rectifier coupled to the receiver coil and configured to convert an alternating current voltage into a direct current voltage, and a high efficiency power converter comprising a first stage and a second stage connected in cascade between the rectifier and a battery, wherein the first stage is configured to charge the battery, and the second stage is configured to provide isolation between the first stage and the battery.

Claims20

Dependent claims

A system comprising:

a transmitter circuit coupled to an input power source;
a transmitter coil coupled to the transmitter circuit;
a receiver coil magnetically coupled to the transmitter coil;
a rectifier coupled to the receiver coil and configured to convert an alternating current voltage into a direct current voltage;
and
a high efficiency power converter comprising a first stage and a second stage connected in cascade between the rectifier and a battery, wherein the first stage is configured to charge the battery, and the second stage is configured to provide isolation between the first stage and the battery.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application

16/950,223Filed 17 Nov 2020 · division

Priority

21 May 2018

Published

US 2021/0075223 A111 Mar 2021

Granted

19 Apr 2022

Term ends

Not estimatedThe source records don’t support an estimate.

Classification15 codes

H02M 3/07
Using resistors or capacitors, e.g. potential divider: using capacitors charged and discharged alternately by semiconductor devices with control…
H02J 7/00
Circuit arrangements for charging or discharging batteries or for supplying loads from
H02J 7/02
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: for charging batteries from AC mains by converters
H02J 50/12
Using inductive coupling: of the resonant type

Family

Application15/985,227Parent of this division · filed 21 May 2018

US 2021/0075223 A1Pre-grant publication · published 11 Mar 2021

US 10,868,429 B2Parent of this division

US 2019/0356149 A1Published application

US 11,309,716 B2This patent

From the US filing history. Foreign family members aren’t listed.

High efficiency power converting apparatus

Life of this patent

High efficiency power converting apparatus

Life of this patent

Abstract

Claims20