Device for the cleaning of a heat exchanger
CA 1317512 C · Owner: Booij, Johannes · Inventors: Booij, Johannes
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The device comprises a spray device which itself possesses a carrier movable on a longitudinal guide, three supports mounted on said carrier and three nozzle holders rotatably mounted in respectively said three supports and containing each four radially directed nozzles. A fluid channel connects a high pressure line with said nozzles. An auxiliairy drive shaft which is borne in said supports and driven through a geared transmission by said high pressure line,drives each of the nozzle holders through the intermediairy of geared transmission.
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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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.