Air flow measuring device
CA 1322471 C · Owner: Saidi, Nick Noorolah · Inventors: Elgar, Everett Charles; Jones, William Carlyle; Saidi, Nick Noorolah
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case 2992, IMPROVED AIR FLOW MEASURING DEVICE AND METHOD ABSTRACT OF THE DISCLOSURE, There is disclosed an improved method and apparatus for measuring air flow through a stator duct of a dynamoelectric machine. The apparatus includes an inlet venturi connectable to the stator duct a nozzle, for producing a pressure drop related to the air flow rate. The pressure drop is measured by two pressure taps, one located upstream of the nozzle and the other located downstream of the nozzle. The improvement includes an adjustable fan located downstream of the nozzle for inducing an air flow through the apparatus that compensates for air leakage between the inlet venturi and the stator duct. The …
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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 28, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 28, 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.