Apparatus for measuring the content of dust in gases
CA 1066915 A · Owner: F. L. Smidth And Co. A/S · Inventors: Werner, Gert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Whilst exhaust tubes cooled by compressed air have proved to be satisfactory when the content of dust in hot gases is to be measured and, electrically heated exhaust tubes have proved to be satisfactory when the content of dust in comparatively cold and wet gases is to be measured it is, in practice not convenient to use different types of exhaust tubes in the two instances. The invention provides an apparatus for measuring the content of dust in gases which, without the necessity of exchanging the exhaust tube, may be used in both instances. The apparatus includes an exhaust nozzle adapted to be arranged in a duct through which the gas passes a filter housing connected to the nozzle by …
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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 November 27, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 27, 1996.
- 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.