US 11,967,478 B2
Circuit protection devices, systems and methods for explosive environment compliance
Joseph Michael Manahan, Manlius, NY (US); Adam Ledgerwood, Syracuse, NY (US); Andrew Butler, Baldwinsville, NY (US); Graig DeCarr, Cicero, NY (US); and Edmund Leubner, Liverpool, NY (US)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed by EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed on Feb. 2, 2022, as Appl. No. 17/591,162.
Application 17/591,162 is a continuation of application No. 16/723,389, filed on Dec. 20, 2019, granted, now 11,270,854.
Claims priority of provisional application 62/784,975, filed on Dec. 26, 2018.
Prior Publication US 2022/0328262 A1, Oct. 13, 2022
Int. Cl. H01H 9/02 (2006.01); H01H 9/04 (2006.01); H01H 71/02 (2006.01); H05K 5/06 (2006.01); H05K 7/20 (2006.01)
CPC H01H 9/042 (2013.01) [H01H 71/025 (2013.01); H05K 5/069 (2013.01); H05K 7/20 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An ignition protected switch device for an explosive environment, the ignition protected switch device comprising: a housing defining a first enclosure and a second enclosure positioned on opposite sides of the housing, wherein the first and second enclosures are integrally formed with the housing; a line-side terminal and a load-side terminal coupled to the housing and being enclosed to provide ignition protected terminations in the explosive environment, wherein the line-side terminal is enclosed in the first enclosure and the load-side terminal is enclosed in the second enclosure; and a bus structure in the housing and including at least one solid state switching element operable in an arc-free manner to connect the load-side terminal to the line-side terminal and disconnect the load-side terminal from the line-side terminal; wherein the first enclosure and the second enclosure are vacuum sealed.