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Expired Canadian patentCanada

Refrigerant distribution device and method

CA 2582377 C · Owner: Advanced Heat Transfer, Llc · Inventors: Bae, Younglib; Heidenreich, Michael E.; Abbatt, William G.

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A refrigerant distribution device 10 situated in an inlet header 12 of a multiple tube heat exchanger 14 of a refrigeration system 20. The device10 includes an inlet passage 32 that is in communication with an expansion device. Small diameter conduits 34 are disposed within the inlet header 12 and are in fluid ommunication with the inlet passage 32. A two-phase refrigerant fluid in the inlet assage 32 has a refrigerant liquid-vapor interface 38. The conduits 34 have inlet ports 40 that lie below the refrigerant liquid-vapor interface 38. Vapor emerging from the nozzles 34 create a homogeneous refrigerant that is uniformly delivered to 10 the multiple tubes. The invention also …

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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 September 20, 2005 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 20, 2005
GrantedAugust 13, 2013
Term endedSeptember 20, 2025
Patent numberCA 2582377 C
Classification (IPC)F25B39/02 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 20, 2005Patent grantedAug 13, 2013Term endedSep 20, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.