Exhaust gas recirculation valve assembly
CA 1086585 A · Owner: Ford Motor Company Of Canada, Limited · Inventors: Gropp, Karl H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An engine exhaust gas recirculating (EGR) valve assembly that maintains the EGR valve in the position to which it is actuated by means of a rolling diaphragm air bleed device that alternately covers and uncovers an atmospheric vent opening until an equilibrium position is maintained.
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 September 30, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 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.