Heat pump, energy recovery method and method of curtailing power for driving compressor in the heat pump
CA 1298985 C · Owner: Mitsui Engineering & Shipbuilding Co. Ltd. · Inventors: Endou, Hajime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are a heat pump, a method of energy recovery in the heat pump and a method of curtailing the required power for driving a compressor in the heat pump which commonly center essentially upon providing a vapor-liquid separator for separating a working fluid introduced from a condensor through an expansion valve into vapor and liquid, an expansion turbine to be driven by the vapor separated through the vapor-liquid separator and a compressor adapted to be driven by the expansion turbine, into which turbine a cooling liquid is atomized and sprayed.
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 April 21, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.