Interchangeable quench as injection ring
CA 1321877 C · Owner: Shell Internationale Research Maatschappij B.V. · Inventors: Segerstrom, Clifford C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for injecting quench gas (cooled syngas) through an injection ring located around the circumference of the gasifier exit duct and having ports in communication with the interior of said duct to achieve thorough mixing of the gasifier gas with the injected quench gas. Interchangeable rings having different configurations and dimensions of the ports may be used to accommodate various types of coal. The rings may be fabricated in sections for ease of maintenance and replacement. CSl/T7018FF
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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 September 7, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 7, 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.