Hydraulic wheel motor and pump
CA 1333246 C · Owner: Walker, Frank H. · Inventors: Walker, Frank H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hydraulic wheel motor and pump are, provided for use with a motor vehicle having a pair of mechanically driven wheels and a pair of nonmechanically driven wheels. The hydraulic pumps cooperate with the mechanically driven wheels and, the hydraulic motors are coupled to the nonmechanically driven wheels. The pumps and motors are diagonally connected to one another to create a four wheel drive vehicle. Also disclosed is an apparatus and method for independently controlling the tractive force of the vehicle wheels during a turning maneuver.
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
- Granted November 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 2011.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.