Sump arrangement having a filter with standoffs provided to maintain flow channels
CA 2351933 A1 · Owner: Affinia Canada Corp. · Inventors: Lee, Brian Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sump for use with a transmission or lubricating system of an internal combustion engine includes a sump pan which has a partition wall supported therein, the, partition wall having an opening therethrough in which is positioned a filter element. The, partition wall divides the pan into an upper chamber and a lower chamber with a suction, tube that passes through the partition wall and projects into the lower , chamber. Dirty oil, pools in the upper chamber and then passes through the filter element into the lower, chamber by gravity and by suction created by a recirculation pump attached to the, suction tube. In order to keep the partition from flexing so that the filter element …
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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
- Filed June 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2023.
- 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.