DOUBLE-ACTING PISTON ENGINE OPERATING ON CARBON DIOXIDE Russian patent published in 1998 - IPC

FIELD: sports modelling. SUBSTANCE: double-acting piston engine operating on carbon dioxide has housing 1 accommodating cylindrical output shaft 3 on side surface of which curvilinear guide 7 is made engaging with guide member in form of ball 8 arranged in skirt of piston 4. Output shaft 3 is installed in housing 1 coaxially with cylinder 2 which is provided with guide slot 11 engaging with ball 8 and serving simultaneously as bypass channel with reed valve 13. Waste gas from above-piston space is partially bypassed under piston 4 through valve 13, bypass port 12, bypass port 17 radial hole 10 and axial hole 9, makes piston execute additional work and is discharged through discharge hole 14 into atmosphere. EFFECT: enlarged operating capabilities. 1 dwg