Throttling device, method for using the throttling device and also device for using the method
CA 1289848 C · Owner: Nijhuis Water B.V. · Inventors: Wijers, Johannes Gerardus; Ottengraf, Simon Paul Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a throttling device for the supply of liquid under high pressure (P1) having a gas dissolved in it into a liquid of lower pressure (P0) said device having a supply orifice (2,7) between the high pressure and low pressure side of a dimension, which only depends on the required flow capacity as well as downstream of said orifice a free floating body (3 9) of a, dimension larger than the orifice (2,7) which body forms a slit, (5,10) through which the high pressure flow is deflected into the space of lower pressure, said slit having sufficient length to generate a low flow pressure which, together with the low pressure of the low pressure space, keeps the body in …
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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 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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.