US 12,171,086 B2
Thermal management device for circuit breakers
Ankit Bhagat, Pune (IN); Sarang Sarode, Pune (IN); Avadhoot Kittur, Pune (IN); Niloy Khatua, Pune (IN); and Robert Michael Slepian, Murrysville, PA (US)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed by EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed on Dec. 19, 2022, as Appl. No. 18/083,957.
Prior Publication US 2024/0206123 A1, Jun. 20, 2024
Int. Cl. H05K 7/20 (2006.01); H02H 3/08 (2006.01)
CPC H05K 7/20381 (2013.01) [H02H 3/08 (2013.01); H05K 7/20309 (2013.01); H05K 7/20318 (2013.01); H05K 7/20336 (2013.01); H05K 7/20409 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A thermal management device for a circuit breaker, comprising:
a first heat pipe having an evaporator section, an adiabatic section and a condenser section;
a busbar having a first portion and a second portion, the first portion including at least a portion of the adiabatic section of the heat pipe;
a conducting busbar having a first end, a second end opposite the first end and a first groove disposed on a top surface of the conducting busbar, the first end disposed adjacent to primary contacts, the second end integrated in the first portion of the busbar, the first groove extending from the first end to the second end and including the evaporator section and the at least a portion of the adiabatic section of the first heat pipe embedded therein; and
an array of fins integrated to the second portion of the busbar, the condenser section of the first heat pipe extending through the array of fins,
wherein heat generated by current is dissipated from a high temperature area associated with the primary contacts to the ambient via at least the first heat pipe.