Integral deaerator for a heat pipe steam condenser
CA 2220596 C · Owner: Russell, Fred G. · Inventors: Russell, Fred G.; Strock, Thomas W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An integral deaerator for a heat pipe steam condenser has a main steam duct connected to a heat pipe steam condenser duct by a riser. The heat pipe steam condenser duct is inclined slightly toward the riser and a weir is positioned at the connection between the riser and heat pipe steam condenser duct to prevent condensate from draining directly into the riser. The heat pipe steam condenser duct has a drain for draining a condensate from within the heat pipe steam condenser duct to a distribution header for distributing the condensate within the riser. Steam is provided to the main steam duct for condensation in the heat pipe steam condenser and while in transit, the steam heats and …
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 November 12, 1997 and granted August 21, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2019.
- 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.