Arrangement for preventing freezing of the working medium in an absorption refrigerating apparatus
CA 1333632 C · Owner: Farndahl, Stig Herman · Inventors: Farndahl, Stig Herman; Walfridson, Magnus Tell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention refers to an arrangement at a refrigerator cabinet (10) having an absorption refrigerating apparatus (16,18) operated by a heating cartridge (40) from at least one electric current source or by a gas burner (38). The arrangement shows a control apparatus (74) which automatically starts the gas burner (38) when the supply of current to the heating cartridge (40) ceases. The refrigerating apparatus (18) is with exception of its evaporator (16) enclosed in a heat insulated chamber (20) through which surrounding air circulates for cooling of the refrigerating apparatus (18). In order to prevent the refrigerant in the refrigerating apparatus from freezing to plugs at low …
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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 December 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 20, 2011.
- 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.