F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
171/2
F02B 71/00 (2006.01)
Patent
CA 1305070
ABSTRACT Internal combustion engine, more specifically a free-piston engine, having at least one cylinder and a piston arranged therein and guided to be movable and sealed. The piston performs axial stroke movements within cylinder chamber, and features cylindrical pro- jections extending axially spaced from the piston to either side and having at least over part of their length a diameter inferior to the diameter of the piston. The projections are guided at least over some part of their length within axial cylinder bores and therein partially sealed. Combustion chambers are pro- vided within the cylinder, which combustion chambers are formed and delimited by certain parts of the in- side cylinder wall defining cylinder chamber on the one hand and by certain surface parts of piston and its projections on the other hand. The surfaces defining the combustion chambers being formed more particularly by end faces. Inlet ports are arranged in the longitudinal wall to admit air or fuel/air mixtures, and outlet ports are arranged within the longitudinal cylinder wall so as to permit exhaust gases to be expelled. The inlet ports and outlet ports are opening and cleared or covered and closed depending upon the axial position of piston and its projections.
537500
Koppen Detlef
Swabey Ogilvy Renault
LandOfFree
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