Abb Schweiz Ag

Hitachi Energy Switzerland Ag

Hitachi Energy Ltd

Brian Christopher

Francesco Agostini

Matthew D Cuppett

Jakub Korbel

Sami Kotilainen

Richard Thomas

Benny Wedin

Matt D Cuppett

Staffan Jacobsson

Provided is a spring drive cam for a spring drive of a circuit breaker including a disc-like shape configured for rotating around a rotation axis in the spring drive, whereby the disc-like shape comprises a radius (R) that changes depending on an angle (&#x3b1;) of the radius (R) relative to a base angle (&#x3b1;), and whereby a rate (dR/d&#x3b1;) defined by a change of the radius (R) per change of the angle (&#x3b1;) is &#x2264;0.3 mm/&#xb0;.

Spring drive cam for a spring drive of a circuit breaker

A coupling system for securing an elongated rod to a connector that links the elongated rod to a device, and methods therefor, are disclosed herein. The coupling system includes a swivel member pinned in a receptacle of the connector, and a fastener secured to the swivel member. The elongated rod is secured to the fastener. The elongated rod may be a conductor rod and the device may be an interrupter for a circuit breaker.

Coupling system for interrupter-conductor connection in high voltage circuit breakers

Growing community of inventors

Smithfield, PA, United States of America

Brian Christopher