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Expired Canadian patentCanada

Bounce chambers for multi-cylinder linear engine compressors

CA 1292213 C · Owner: Braun, Anton · Inventors: Braun, Anton

CIPO record

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

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Abstract From the Canadian patent

Bounce Chambers for Multi-Cylinder Linear Engine Compressors, Abstract, This invention is a multi-stage compressor embodying a stepped piston in a stepped cylinder and connected through a coaxial rod to the piston of an engine. Control means in a passageway or a conduit extending from the second or third stage discharge of the compressor or any other source of pressure to a single bounce chamber, responds to pressure in the bounce chamber to increase or reduce gas pressure in the chamber, to balance the energy and work quantities acting in opposite directions to provide optimum operation of the compressor at varying pressures.

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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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 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.
FiledJune 26, 1987
GrantedNovember 19, 1991
Term endedNovember 19, 2008
Patent numberCA 1292213 C
Classification (IPC)F01L11/02

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJune 26, 1987Patent grantedNov 19, 1991Term endedNov 19, 2008

Sources & verification

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