US 11,770,027 B2
Wireless power transmission device
Chun Kil Jung, Seoul (KR); and Hak Do Kim, Suwon-si (KR)
Assigned to GE Hybrid Technologies, LLC, Niskayuna, NY (US)
Filed by GE Hybrid Technologies, LLC, Niskayuna, NY (US)
Filed on May 4, 2022, as Appl. No. 17/736,167.
Application 17/736,167 is a continuation of application No. 17/314,938, filed on May 7, 2021, granted, now 11,349,345.
Application 17/314,938 is a continuation of application No. 16/710,161, filed on Dec. 11, 2019, granted, now 11,031,821, issued on Jun. 8, 2021.
Application 16/710,161 is a continuation of application No. 15/544,024, granted, now 10,541,563, issued on Jan. 21, 2020, previously published as PCT/KR2016/000466, filed on Jan. 15, 2016.
Claims priority of provisional application 62/104,094, filed on Jan. 16, 2015.
Prior Publication US 2022/0263348 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H01F 38/14 (2006.01); H02J 50/12 (2016.01); H04B 5/00 (2006.01); H02J 50/40 (2016.01)
CPC H02J 50/12 (2016.02) [H01F 38/14 (2013.01); H02J 50/40 (2016.02); H04B 5/0037 (2013.01); H04B 5/0075 (2013.01); H04B 5/0081 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for wireless power transmission comprising:
a primary coil configured to transfer wireless power to a wireless power reception apparatus; and
first and second capacitors coupled to the primary coil, wherein the first and second capacitors are configured to reduce an amount of power reflected from the wireless power reception apparatus during wireless power transfer.