Hydromechanical transmission
CA 1065166 A · Owner: Sundstrand Corporation · Inventors: Sugden, Kenneth B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hydromechanical transmission including an input shaft an axial, piston hydraulic pump assembly associated with the shaft to be driven thereby a pivotal swash plate operatively associated with the pump for selectively varying the displacement thereof, an axial piston hydraulic motor assembly coaxial with the pump, and a floating valve plate disposed between and engaging the pump and motor. A sun gear is carried by the motor while a ring gear is, carried by the pump. A rotatable output carrier is coaxial with the shaft and carries at least one planet gear engaged with both the sun and ring gears. The output of the transmission is taken from the carrier.
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 October 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 30, 1996.
- 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.