Leaked fuel gas return-flow structure for engine
An engine and gas technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., can solve the problems of reduced engine lubrication performance, increased engine size, easy occurrence of sand sintering, etc., to achieve improved sealing performance, improved lubrication performance, The effect of preventing sand sintering
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[0050] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0051] figure 1 and 2 A first embodiment is shown. exist figure 1 and 2 Among them, 2 is the engine; 4 is the cylinder block; 6 is the cylinder head; 8 is the crankshaft; 10 is the connecting rod; 12 is the piston; 14 is the camshaft; 16 is the combustion chamber; 18 is the air inlet; 20 is the air outlet; 22 is a crankcase; 24 is an oil tank; 26 is a cylinder front cover; 28 is an intake manifold; 30 is an intake passage; 32 is a throttle valve; 34 is an outlet manifold; 36 is an air cleaner.
[0052] The cylinder head 6 is fastened on the top surface of the cylinder block 4 via a cylinder head gasket 38 with a plurality of first and second cylinder head mounting bolts 40-1 and 40-2. These bolts 40-1 and 40-2 pass through the first and second cylinder head side bolt holes 42-1 and 42-2 in the cylinder head 6, and then pass through the cylinder ...
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