FOUR-STROKE ENGINE, AND WORKING MACHINE USING IT Russian patent published in 2015 - IPC F02B63/02 F01P1/02 F01M11/00 

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. Four-stroke engine (1) includes an engine housing containing a section of cylinder block (2), in which a cylinder is created, a section of cylinder head (4), which is located above the section of cylinder block (2), a section of engine crankcase (6), which is located below the section of cylinder block (2), crankshaft (8), fuel tank (16), oil tank (14), carburettor (15) and muffler (17). Into sections of cylinder head (4) , in the engine housing inlet and outlet valves (20) and (21) are installed. Crankshaft (8) is installed in engine crankcase (6) that serves as a support for it. Fuel tank (16) is installed in the space below carburettor (15) alongside of crankshaft (8) and oil tank (14). The invention describes versions of design of working machines using a four-stroke engine.

EFFECT: reduction of overall dimensions of an engine.

20 cl, 6 dwg