Bi-directional variable subcooler for heat pumps
CA 1210944 A · Owner: American Standard Inc. · Inventors: Oudenhoven, Gary L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title, BI-DIRECTIONAL VARIABLE SUBCOOLER FOR HEAT PUMPS, Inventor, Gary L. Oudenhoven Abstract, A bi-directional flow auxiliary heat exchanger is disposed in proximity to the outdoor heat exchanger of a heat pump. The auxiliary fin and tube coil is active in both the heating and cooling modes to subcool refrigerant fluid flowing from the condenser. During operation of the heat pump system in the cooling mode the entire auxiliary coil, is used for subcooling; however a portion of the subcooler is bypassed during heating mode operation to reduce the effective size of the subcooler. The bypassed portion of the auxiliary coil is used for storing excess refrigerant charge. This arrangement …
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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 September 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
- 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.