Overflow return tank
CA 1114693 A · Owner: Haldex Ab · Inventors: Sund, Rune; Wallqvist, Sven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An overflow return tank is disclosed especially for receiving, return fuel in internal combustion engines with a fuel gauge. A receptable has an inlet located at the top for return flow and an outlet and an air bleed hole. A float is located within the receptacle for controlling a valve located at the outlet of the receptacle. The valve comprises a soft elastic, diaphragm, which is connected to the float and upon lifting of the float gradually exposes the outlet by being bent so that fuel can be taken out, from the overflow return tank. Owing to the design of the valve only a small lifting force from the float is required whereby the fuel amount in, the overflow return tank can be …
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, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 22, 1998.
- 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.