Refrigeration or heat pump installation
CA 1331699 C · Owner: Danfoss A/S · Inventors: Danig, Per
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A refrigeration or heat pump installation comprises a liquid separator (12) of which the vapour chamber is connected on the one side to the evaporator outlet (11) and the on the other side to the suction side (13) of the compressor (1). An intermediate chamber (8) thereunder can be fed with liquid from the liquid separator (12) by way of a first switching valve (16) and is connected to the evaporator (10) for the purpose of recirculating the liquid. The valve of an expansion apparatus (5) is a second switching valve (6). The two switching valves (6, 16) can be brought into the open and closed condition in opposite senses. The outlet of he expansion apparatus (5) is connected to the …
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 August 30, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 30, 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.