Compressor valve
CA 1323341 C · Owner: Enfo Grundlagenforschungs Ag · Inventors: Tuymer, Walter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A compressor valve comprises a valve seat that includes flow channels therein for the fluid medium a catcher spaced, apart from the valve seat and a valve plate which is movable against the valve seat to block the flow of fluid medium through the valve or away from the valve seat and towards the catcher to allow the fluid medium to flow through the valve. In order to prevent the valve plate from sticking to the stop face of the catcher when a liquid such as a lubricant or coolant is in the valve, protrusions and recesses are provided on the surface of the valve plate which faces the catcher or on the stop face against the valve plate moves when the valve is open stop face, being provided on …
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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
- 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.