Dynamic braking circuit for a hybrid locomotive (US Patent 8237384)

Patent number: 8237384 Kind code: B2 Granted: 2012-08-07 Filed: 2007-04-19 Inventors: Andrew C. Tarnow (Cambridge Springs, PA, US); Frank Wegner Donnelly (North Vancouver, CA); Ronald B. Bailey (North East, PA, US); Kris Redinger (Erie, PA, US) Assignees: Railpower, LLC (Nicholasville, KY, US)

Abstract

Methods of dynamic braking include two embodiments with braking circuits for vehicles such as, for example, locomotives which are operable down to very low speeds. These circuits can provide a braking force even at zero