Circular stay ring for rotary fluid machine
CA 1064367 A · Owner: Allis-Chalmers Corporation · Inventors: Chacour, Selim A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simplified welded stay ring assembly for rotary machines is disclosed. The stay ring assembly is composed of an upper and lower stay ring connected together by circumferentially spaced stay vanes. Each stay ring is circular in cross section. The scroll case of the hydraulic machine which is a volute having a circular cross section has its terminal ends welded to the side of the stay rings.
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
- Granted October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 1996.
- 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.