Regenerable non-venting cooler for protective suit
CA 2061333 A1 · Owner: Bayes, Stephen A. · Inventors: Bayes, Stephen A.; Roebelen, George J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Regenerable Non-venting Cooler For Protective Suit A life support back pack 14 for use during extravehicular activity in space incorporates a cooling apparatus 20 comprised of five panels 22 each of which include in layered fashion a LCG coolant heat exchange coil 32, a heat distribution plate 42, and a heat dissipation module 50A or 50B having an outer radiator surface 52. Each module 50A houses a first phase change material 55A for, example hexadecane paraffin, and each module 50B houses a second phase change material 55B for, example tetradecane paraffin, which has a phase change temperature which is less than the phase change temperature of the first phase change material 55A. 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
- Filed February 17, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2014.
- 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.