Low rpm generator
CA 2264937 A1 · Owner: Valavaara, Viljo K. (Deceased) · Inventors: Valavaara, Viljo K. (Deceased)
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A low shaft speed generator for producing electrical power in a predetermined cycle, range and having a housing of predetermined length and diameter a rotor , mounted, in the housing having a predetermined length elongated rotor windings on the, rotor and connections for connecting them to a source of electrical energy a, plurality of stator windings in the housing being arranged in stator winding , groups with the stator windings in each group being mounted in closely spaced radial locations relative to one another, but being spaced apart by being offset diagonally, along the length of the housing the elongated rotor windings having a length sufficient generating magnetic fields which …
Read the whole patent
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 March 22, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 22, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 22, 2021.
- 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.