OPTIMISING COMBUSTION PRODUCT EXPANSION IN PISTON ENGINE CYLINDER WITH WORKING MEDIUM FEED FROM FREE-PISTON GAS GENERATOR WITH EXTERNAL COMBUSTION CHAMBER Russian patent published in 2012 - IPC F02B71/06

Abstract RU 2451802 C1

FIELD: engines and pumps.

SUBSTANCE: method is intended for free-piston gas generator with external combustion chamber, piston expansion machine with intake and discharge valves with electropneumatic drive and control system and consists in optimising combustion product in cylinder by intake valve control system. For this, control system tracks position of piston in expansion machine cylinder to open intake valve at the beginning of working stroke with piston at BDC. With piston changing into TDC, control system closes intake valve.

EFFECT: higher efficiency of expansion.

1 dwg

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RU 2 451 802 C1

Authors

Rybakov Anatolij Aleksandrovich

Dates

2012-05-27—Published

2011-03-11—Filed