Hydrostatic control device, particularly steering device
CA 1209441 A · Owner: Danfoss A/S · Inventors: Petersen, Hans C.; Kyster, Erik; Thomsen, Svend E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hydrostatic control device particularly steering device, comprises an outer housing (1) and a metring motor (M) arranged thereon comprising a motor housing (14) having a first motor part (13) and a control shaft (L) connected to a rotor (11). One end of the motor housing (14) has a passage plate (19) of which one side forms a directional valve (22) together with the adjacent side of the outer housing end wall (4) and the other side forms a distributing valve (23) together with the adjacent side of the rotor (11). There is also a directional valve (22) comprising two relatively rotatable plates (4 19) which are rotatable, relatively to the first plate against the force of a neutral …
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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 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 12, 2003.
- 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.