Shaft rotation speed governor of an internal combustion engine
CA 2064852 A1 · Owner: Tunik, Valery S. · Inventors: Tunik, Valery S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The governor comprises a leverage mechanism (1) connecting a centrifugal sensor (2) detecting changes in the engine shaft rotation speed to a metering element (3) of a fuel injection pump. The leverage mechanism (1) is formed by a two-arm lever (4) a one-, -arm lever (5) and a control member (6). The first arm (7) of the two-arm lever (4) is connected to an output link (8) of the centrifugal sensor (2). The second arm (9) of the two-arm lever (4) is connected to an arm (10) of the one-arm lever (5) by a resilient member (11). The arm (10) of the one-arm lever (5) is connected to the metering element (3) of the fuel injection pump by a rod (12). The arm (10) of the one-arm lever (5) carries …
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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
- Filed June 20, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2013.
- 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.