Other engines

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F02Combustion engines F02BINTERNAL-COMBUSTION PISTON ENGINES COMBUSTION ENGINES IN GENERAL

F02B75/00Other engines

F02B75/002Double acting engines F02B75/005having horizontal cylinders F02B75/007having vertical crankshafts F02B75/02Engines characterised by their cycles F02B75/021having six or more strokes per cycle F02B75/04Engines with variable distances between pistons at top dead-centre positions and cylinder heads F02B75/041by means of cylinder or cylinderhead positioning F02B75/042the cylinderhead comprising a counter-piston F02B75/044by means of an adjustable piston length F02B75/045by means of a variable connecting rod length F02B75/047by means of variable crankshaft position F02B75/048by means of a variable crank stroke length F02B75/06Engines with means for equalising torque F02B75/065with double connecting rods or crankshafts F02B75/08Engines with means for preventing corrosion in gas-swept spaces F02B75/10Engines with means for rendering exhaust gases innocuous F02B75/12Other methods of operation F02B75/16Engines characterised by number of cylinders F02B75/18Multi-cylinder engines F02B75/1896with two or more pistons connected to one crank and having a common combustion space F02B75/20with cylinders all in one line F02B75/22with cylinders in V, fan, or star arrangement F02B75/221with cylinder banks in narrow V-arrangement, having a single cylinder head F02B75/222with cylinders in star arrangement F02B75/224with cylinders in fan arrangement F02B75/225having two or more crankshafts F02B75/227with cylinder banks in X-arrangement F02B75/228with cylinders arranged in parlallel banks F02B75/24with cylinders arranged oppositely relative to main shaft and of "flat" type F02B75/243with only one crankshaft of the "boxer" type F02B75/246with only one crankshaft of the "pancake" type F02B75/26Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis F02B75/265Engines with cylinder axes substantially tangentially to a circle centred on main-shaft axis F02B75/28Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders F02B75/282the pistons having equal strokes F02B75/285comprising a free auxiliary piston F02B75/287with several pistons positioned in one cylinder one behind the other F02B75/30with one working piston sliding inside another F02B75/32Engines characterised by connections between pistons and main shafts and not specific to preceding main groups F02B75/34Ultra-small engines F02B75/36Engines with parts of combustion- or working-chamber walls resilently yielding under pressure F02B75/38Reciprocating - piston engines F02B75/40Other reciprocating-piston engines