Patent Yard Sign in
Expired Canadian patentCanada

Hybrid energy off highway vehicle propulsion circuit

CA 2547996 C · Owner: General Electric Company · Inventors: Young, Henry Todd; Kumar, Ajith Kuttannair

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A system and method for retrofitting a propulsion circuit of an existing Off Highway Vehicle to enable the propulsion circuit to operate as a hybrid energy Off Highway Vehicle propulsion circuit. The hybrid propulsion circuit includes a primary power source (102), and a traction motor (108) for propelling an Off Highway Vehicle in response to the primary electric power. The traction motor (108) has a motoring mode of operation and a power dissipation mode of operation. The traction motor (108) generates dynamic braking electrical power in the power dissipation mode of operation. An electrical energy storage system (1502) includes a chopper circuit (1506) coupled to an energy storage …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed August 4, 2005 and granted May 14, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 4, 2005
GrantedMay 14, 2013
Term endedAugust 4, 2025
Patent numberCA 2547996 C
Classification (IPC)B60K6/28 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedAug 4, 2005Patent grantedMay 14, 2013Term endedAug 4, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.