Pressure activated isolation valve
CA 1296035 C · Owner: Alliedsignal Inc. · Inventors: Tomala, Ambrose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
24MS0787/1335r 223-87-0110, Abstract:, PRESSURE ACTIVATED ISOLATION VALVE An adaptive braking/traction control system (10) comprising a number of solenoid valves (80 150,152) to, control pressure to a number brake cylinders (62). The system is operative in an anti-lock mode to contol the motion of skidding wheels and also operative in a another mode to control the tractive torque to the wheels. A pressure activated isolation valves (90) are positioned between a master cylinder (22) the solenoids, and the various brake cylinders to control fliud communication therebetween. The isolation valves are activated by an electrically controlled pump.
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 February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- 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.