In-line annular piston fixed bolt regnerative variable charge liquid propellant gun with variable hydraulic control of piston
CA 1266391 C · Owner: General Electric Company · Inventors: Magoon, Inder Kumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Abstract of the Disclosure A regenerative liquid propellant gun structure in which the differential area piston is annular has an, open peripheral cylindrical skirt extending away from the combustion chamber to define a propellant reservoir and has an aperture in the piston head permitting overrunning of a fixed bolt. The fixed bolt is cylindrical with an enlarged band to fit the aperture to block flow of peopellant until firing and to define with the edge of the aperture a variable annual orifice for propellant injection as the piston moves. There is a second free piston overruning the bolt having a forward portion mating with both the inside of the differential area piston and the …
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.
Why it's free to use
- Granted March 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
- 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.