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Expired Canadian patentCanada

Scroll type fluid compressor with axial clearance adjusting construction

CA 1279854 C · Owner: Sanden Corporation · Inventors: Terauchi, Kiyoshi

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention relates to scroll type fluid compressor which includes a mechanism for adjusting axial clearance and alignment. Adjustment sleeves which are disposed threaded apertures of the compressor housing, move for and aft, and adjust the location and alignment of the scrolls. A threaded member passes through the sleeve to engage a threaded aperture on the end plate of the fixed scroll to thus fix the fixed scroll within the housing.

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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 February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 1985
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279854 C
Classification (IPC)F04C18/02 +1 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedJuly 31, 1985Patent grantedFeb 5, 1991Term endedFeb 5, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.