US 11,955,274 B2
Receiver unit of a wireless power transfer system
Viswanathan Kanakasabai, Bangalore (IN); Deepak Aravind, Bangalore (IN); Suma Memana Narayana Bhat, Bangalore (IN); and Adnan Kutubuddin Bohori, Bangalore (IN)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on May 22, 2023, as Appl. No. 18/321,434.
Application 18/321,434 is a continuation of application No. 17/726,291, filed on Apr. 21, 2022, granted, now 11,670,449.
Application 17/726,291 is a continuation of application No. 17/048,429, granted, now 11,316,381, issued on Apr. 26, 2022, previously published as PCT/US2019/023548, filed on Mar. 22, 2019.
Claims priority of application No. 201841014948 (IN), filed on Apr. 19, 2018; and application No. 201843033690 (IN), filed on Sep. 7, 2018.
Prior Publication US 2023/0298810 A1, Sep. 21, 2023
Int. Cl. H01F 38/14 (2006.01); H02J 50/12 (2016.01); H02J 50/40 (2016.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01)
CPC H01F 38/14 (2013.01) [H02J 50/12 (2016.02); H02J 50/40 (2016.02); H02J 50/402 (2020.01); H02J 50/80 (2016.02); H02J 50/90 (2016.02)] 18 Claims
OG exemplary drawing
 
1. A receiver unit of a wireless power transfer system, the receiver unit comprising:
a main receiver coil configured to receive a wireless power signal having a first voltage from a transmitter unit;
one or more auxiliary receiver coils configured to receive the wireless power signal having the first voltage from the transmitter unit; and
a receiver drive unit comprising:
a main converter operatively coupled to the main receiver coil,
one or more auxiliary converters operatively coupled to respective ones of the one or more auxiliary receiver coils, and
a common output terminal formed by a main output terminal of the main converter and an auxiliary output terminal formed by the one or more auxiliary converters; and
a controller operatively coupled to the receiver drive unit and configured to:
determine one or more circuit parameters of the receiver drive unit, and
control a first plurality of switches of the main converter and a second plurality of switches of the one or more auxiliary converters based on the one or more circuit parameters.