Air-filtering hydraulic reservoir breather cap
CA 2120064 A1 · Owner: Springston, Eric · Inventors: Springston, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention features a breather cap for use in venting an oil reservoir. The cap vents high-velocity air flowing out of the oil reservoir, entraining the droplets of oil that are suspended in the escaping air. The breather cap is designed to slow the speed of the escaping air. This slowing mechanism is usually a large-volume chamber that is typically placed within the bottom of the cap. The air is directed against a deflector plate or a deflecting surface on top of the chamber. This deflected air deposits the tiny droplets upon the deflection surface. The separated oil is caused to pool or accumulate and drip back into the bottom of the chamber and then into the oil reservoir. The …
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
- Filed March 28, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 2016.
- 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.