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Expired Canadian patentCanada

Supercharged diesel type apparatus for the generation of power

CA 1308920 C · Owner: Benaroya, Henry · Inventors: Benaroya, Henry

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

Supercharged diesel type apparatus for the generation of power, A power production apparatus comprises a Diesel engine having a plurality of sequentially operating motor cylinders and a plurality of alternating air compressor cylinders. Each motor cylinder has scavenge ports connected to receive scavenging air from that compressor cylinder whose compression stroke occurs while the scavenge ports of the motor cylinder are closed. An intake capacity having a volume equal to about five times the cubic capacity of the motor cylinder is located on the air path. The apparatus may consist of a gas turbine and a multi-tandem free piston gas generator and a gas turbine; the gas generator then has a …

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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 20, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 4, 1987
GrantedOctober 20, 1992
Term endedOctober 20, 2009
Patent numberCA 1308920 C
Classification (IPC)F02B33/44 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 4, 1987Patent grantedOct 20, 1992Term endedOct 20, 2009

Sources & verification

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