Fluid actuated pump
CA 1088809 A · Owner: Outboard Marine Corporation · Inventors: Schrimpf, Carl F.; Van Rens, Russell 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-actuated diaphragm, pump which is particularly adaptable for use as a fuel pump for a multi-cylinder, two-cycle internal combustion engine and which includes an inlet chamber an outlet, chamber, a first diaphragm separating the inlet chamber into a first pulse chamber and a suction chamber and a, second diaphragm separating the outlet chamber into a second pulse chamber and a pressure chamber. The two pulse chambers are connected to separate sources of regularly cycling or pulsating pressures which are at least 90° out of phase from each other and the two diaphragms are oscillated sequentially, in response to the pressure variations in the respective pulse …
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 November 4, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 1997.
- 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.