Cooling device for railway wheels
CA 1268502 C · Owner: Jackson, Harry G. · Inventors: Giesl-Gieslingen, Adolph; Jackson, Harry G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cooling device especially adapted to be applied to railway car wheels that are subjected to heating by the application of braking pressure to the rims. The cooling structure is suitable for mounting on existing wheels as well as on new wheels. It comprises a plurality of vanes extending radially from the hub of the wheel to its rim in spaced relationship. An annular cover is attached to the outer edges of the vanes to form a plurality of channels that have an opening at the hub end and another opening at the rim end. As the wheel rotates an air stream is formed in each of the channels with the air entering the channel at the hub opening, and exhausting at the rim opening so that the air …
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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 May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.