Aircraft deicer fluid heating and propulsion system
CA 1300104 C · Owner: Zwick Energy Research Organization, Inc. · Inventors: Whitmire, Thomas W.; Hightower, Edwin C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for heating aircraft deicing fluid (ADF) leaving a hydraulic fluid-to-ADF heat exchanger submerged in a tank. Fixed displacement and pressure-compensated variable, displacement hydraulic pumps are driven by an engine with their outputs being dumped to the heat exchanger through separate relief valves; the pressure setting of the relief valve associated with the fixed pump being higher than that of the relief valve associated with the variable pump and a pilot line communicating the pressure of the fixed pump to the compensator of the variable 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 May 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 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.