Motor driven fluid compressor
CA 2081434 A1 · Owner: Yabushita, Junichi · Inventors: Yabushita, Junichi; Yoshii, Yuji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention discloses a preventing mechanism for preventing the axial movement of a drive shaft in a hermetically sealed scroll type compressor so as to protect the members disposed therein from abrasion and breakage by vibration. The compressor includes a drive mechanism operatively connected to an orbiting scroll which orbits within a fixed scroll. The drive mechanism includes a drive shaft which penetrates the center of a pair of inner blocks and whose two ends are each rotatably supported by a bearing. The bearing is fixedly supported by the inner block. Each of the bearings includes an inner race, an outer race and a plurality of rolling elements disposed between the inner and outer …
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 October 26, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 2014.
- 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.