Propeller drive arrangement for ship or the like
CA 1311657 C · Owner: Abb Stromberg Drives Oy · Inventors: Waltzer, Ingmar; Jarvinen, Kauko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a propeller-drive arrangement for a ship or the like, comprising an electric motor (1) and a propeller positioned on a shaft (2) of the motor directly or through a gear. In the invention in, order that the propeller would be pivotable the elec-, tric motor (1) and the shaft (2) thereof are arranged in a water-proof, generally cylindrical chamber (6) provided with a sealed shaft opening (S) and secured pivotably to the body (8) of the ship by means of a tubular shaft (7). (Figure 1)
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
- Granted December 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 2009.
- 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.