Combined fluid pressure actuated fuel and oil pump
CA 1204354 A · Owner: Outboard Marine Corporation · Inventors: Walsworth, Frank J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a fluid pressure actuated motor comprising a housing, a motor piston movable reciprocally in the housing and dividing the housing into a relatively low pressure chamber and a relatively high pressure chamber, a piston biasing the motor piston so as to displace the motor piston in the direction minimizing the volume of one of the pressure chambers and maximizing the volume of the other of said pressure chambers structure, for creating a fluid pressure differential between the high and low pressure chambers so as to displace the motor piston in the direction minimizing the volume of the other pressure chamber and maximizing the volume of the one pressure chamber mechanism, …
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 May 13, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 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.