Rotary fluid energy translating device
CA 1087454 A · Owner: Sundstrand Corporation · Inventors: Schauer, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rotary fluid energy translating device having reduced noise levels and having a rotatable cylinder block with a plurality of cylinders therein and each having a movable piston valve means having inlet and, outlet port means adapted to serially connect with the cylinders and also having a pair of cross-over areas positioned to block a cylinder from simultaneous communication with the inlet and outlet port means and with the pistons within the cylinders adjacent one cross-over area positioned to provide a small fluid volume in the associated cylinders and positioned to provide a large fluid volume in the cylinders adjacent the other cross-over area. Each cross-over area has at least one …
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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 14, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 14, 1997.
- 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.