Pressure regulating valve
CA 1301018 C · Owner: Deike, Karl-Heinz · Inventors: Deike, Karl-Heinz; Konig, Heinz-Werner; Kiel, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Case No. 8444), ABSTRACT OF THE DISCLOSURE The present invention provides a pressure regulating valve which substantially avoids shutoff noises. The pressure regulating valve is designed such that the opening process of the shutoff valve proceeds in two steps. The two-step switching process is made possible by the provision of a seal ring which slides on an activating piston which activates the shutoff valve. This seal ring acts upon a housing mounted detent and an activating piston mounted additional detent thus creating an automatically acting additional surface area for the activating piston. This design also makes it possible to increase the safety function of the pressure regulating …
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 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.