Distribution damper valve
CA 2306738 A1 · Owner: Greenberg, Michael D. · Inventors: Dowd, Peter J.; Greenberg, Michael D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An air distribution valve (10) for use in a passageway of an environmental control system comprises a valve body (12) including an input (14) and , multiple outputs (16, 18) defining a volume (24). The valve body is adapted for placement in the passageway for receiving the air in the input. A valve member (20) is used for selectively distibuting the air between the multiple outputs. Damping devices (34, 36) for damping the unstabilizing effect of the airflow on the valve member as the air flows to the multiple outlets allow for the lowest pressure drop configuration. An environmental control system (100) is designed for use with a vehicle for a plurality of uses and the air , …
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
- Filed October 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2020.
- 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.