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Expired Canadian patentCanada

Method for minimizing off cycle losses of a refrigeration system during a cooling mode of operation and an apparatus using the method

CA 1295844 C · Owner: Beckey, Thomas J. · Inventors: Beckey, Thomas J.

CIPO record

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Abstract From the Canadian patent

A refrigeration system control method for minimizing off cycle losses during a cooling mode of operation of a refrigeration system having an indoor coil an indoor coil, fan, an outdoor coil, an outdoor coil fan a refrigerant, line between one end of the indoor coil and one end of the outdoor coil, a valve in the refrigerant line and a compressor apparatus connecting the other end of the indoor coil to the other end of the outdoor coil includes the steps of sensing the humidity of an indoor space to be cooled by the refrigeration system to determine whether the sensed humidity is below a preset humidity setpoint level or above the preset humidity level, and controlling an energization of an …

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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

  • Granted February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 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.
FiledJuly 21, 1988
GrantedFebruary 18, 1992
Term endedFebruary 18, 2009
Patent numberCA 1295844 C
Classification (IPC)F24F11/08 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 21, 1988Patent grantedFeb 18, 1992Term endedFeb 18, 2009

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