Fluid flow regulator
CA 1278495 C · Owner: Woodman, Peter · Inventors: Chauvier, Daniel Jean Valere Denis; Woodman, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid flow regulator 10 comprises a body 11 defining three converging flow passages A, B and C between inlets 14, 13 and 12 respectively, and outlet 15 which is, connectable to a suction source. Passages A and B each includes a valve. Turbine 16 in passage C drives actuating means periodically to operate the valves thereby to cause passages A and B periodically to be opened and closed in tandem. The regulator may be employed to suck predetermined quantities of fluid from two sources connected to inlets 14 and 13, respectively. Another embodiment series as displacement apparatus for a submersible cleaner. With passage B open to admit water to drive propeller 34 for displacing the apparatus …
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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 January 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2008.
- 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.