Patent · US Active

Thomson coil with energized coil damping

US12424404B2 · kind B2 · utility

0Cited by

6References

9Claims

0Family size

Assignee

Eaton Intelligent Power Limited · IE

Inventors

Tyler Holp · Dorpsstraat, US
Brad Robert Leccia · Bethel Park, US
Steven Z. Chen · Dorpsstraat, US
Xin Zhou · Beijing, CN
Andrew W. Lichauer · McMurray, US
Koustubh Dnyandeo Ashtekar · Dorpsstraat, US
Michael Slepian · Murrysville, US

Key dates

Filing date	Nov 3, 2020
Grant date	Sep 23, 2025
Priority date	—
Expiry date	Jan 21, 2042

Classification

Technology area (CPC H)Electricity
CPC primaryH01H3/60
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Coil-based actuators for use in opening and closing the separable contacts of circuit interrupters provide increased initial velocity for opening strokes and improved damping at the end of opening strokes by utilizing current-based damping and omitting contact springs and contact dampeners.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.