Fluid driven motor having improved blade construction
CA 1060709 A · Owner: Empire Oil Tool Company · Inventors: Garrison, Marion A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses a novel fluid motor or pump comprising a housing having a bore, a rotor body mounted for rotation in the bore and defining therewith an annular space and a plurality of circumferentially spaced longitudinally extending blades mounted in slots on the outer periphery of the rotor body. Each of the blades is made of a resilient flexible material and has one of its longitudinal edges secured to the rotor body to form a blade corner about which the blade is flexed. The free portion of the blade pivots due to its resilience to swing its other longitudinal edge into frictional sealing engagement with the wall of the bore. Longitudinally extending separator strips are …
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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 August 21, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 21, 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.