US 12,074,425 B2
Power source and method for providing an activating current
Sagar Dabhole, Pune (IN); Roger Burkett, Swindon (GB); Varsha Sabale, Pune (IN); Prabhakar Patil, Pune (IN); and Milan Paul, Pune (IN)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Appl. No. 17/995,554
Filed by EATON INTELLIGENT POWER LIMITED, Dublin (IE)
PCT Filed Apr. 9, 2021, PCT No. PCT/EP2021/059297
§ 371(c)(1), (2) Date Oct. 5, 2022,
PCT Pub. No. WO2021/204999, PCT Pub. Date Oct. 14, 2021.
Claims priority of application No. 202011015695 (IN), filed on Apr. 10, 2020; and application No. 2008309 (GB), filed on Jun. 2, 2020.
Prior Publication US 2023/0155364 A1, May 18, 2023
Int. Cl. H01H 47/00 (2006.01); H01H 9/54 (2006.01); H02H 3/05 (2006.01); B60L 3/04 (2006.01)
CPC H02H 3/05 (2013.01) [H01H 9/54 (2013.01); H01H 47/002 (2013.01); B60L 3/04 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A power source, comprising
an input terminal,
a charging circuit having an input coupled to the input terminal of the power source,
a capacitor having a first electrode coupled to an output of the charging circuit,
an electronic switching circuit, wherein an input of the electronic switching circuit is coupled to the first electrode of the capacitor,
a discharge protection circuit,
a control switch having a first terminal which is coupled via the discharge protection circuit to the input terminal of the power source and is coupled to an output of the electronic switching circuit, and
a disconnecting device with a first terminal coupled to a second terminal) of the control switch and comprising a pyrotechnic ignition element.