Flow controller
CA 1197131 A · Owner: Honeywell Inc. · Inventors: Mott, Richard C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flow control system is disclosed having a damper located between an inlet and an outlet wherein the position of the damper controls the flow of fluid between the inlet and the outlet, the damper having a pressure drop thereacross, a pressure drop sensor for sensing the pressure drop across the damper, a processor control responsive to the pressure drop sensor for providing an output having a value dependent upon the damper position which will allow a desired amount of flow between the inlet and the outlet based upon the pressure drop across the damper and a, motor responsive to the output for operating the damper to a position to provide the desired flow.
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 26, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2002.
- 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.