Fluid pressure operable brake apparatus with load-compensating means for vehicles with tandem real axles
CA 1080769 A · Owner: Wabco Westinghouse G.M.B.H. · Inventors: Liebig, Hans-Peter; Netzer, Siegfried; Ahaus, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fluid pressure operable brake apparatus for controlling the ratio of braking forces exerted on two rear tandem axles of a vehicle, including a driving axle and a trailing axle in such manner as to provide compatible synchronous braking effort by taking into account dynamic axle load displacement during braking action and including a stepped piston relay valve responsive to load conditions of the vehicle for adjusting the ratio of braking forces between the driving axle and the trailing axle accordingly.
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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
- 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.