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by an fuel valve through an inlet valve with an exhaust valve from an outlet valve
the indicating cock the starting valve air inlet valve the exhaust valve
exhaust manifold valve bridge pressure of the fresh air charge valve adjusting gear
Hard alloy steel construction Beveled edges on the valve head Low alloy steel construction Poppet type design
fuel valves; exhaust valve exhaust valves; inlet valve fuel valves; inlet valve exhaust valves; fuel valve
the exhaust valve the starting air the inlet valve the fuel oil
direct action of cam shaft compressed air pressure hydraulic “push rods ” direct action of the main piston moving down
leaky exhaust valve increased scavenging air temperature engine cylinders not scavenged sufficiently water in the fuel oil
a exhaust valve a piston skirt a piston crown an air suction valve
valve loop valve uniflow valve overlap valve grinding
Loss of compression for that cylinder Misfiring or rough running Damage to the valve All of the above
later and closing earlier later and closing later earlier and closing earlier earlier and closing later
the beveled edges of the intake valves provide for serf-centering during seating intake valves utilize stellite-coated valve seat inserts which reduce wear the volume of air passing through intake valves is less than the volume of air passingthrough exhaust valves intake valves are less affected to the corrosive action of exhaust gases
cylinder exhaust valve air starting valve air inlet valve cylinder relief valve
produce a scavenging effect in the combustion space equalize cylinder and exhaust manifold pressures alleviate the difference in valve size between the intake and exhaust flush out condensate that collects after each compression stroke
the inlet valve is open the exhaust valve is open both valves are close both valves are open
the inlet valve is open the exhaust valve is open both valves are closed both valves are open
overloading the engine low exhaust valve lift excessive cylinder cooling insufficient mechanical clearance
downwards/upwards upwards/downwards downwards/downwards upwards/upwards
increase back pressure during the exhaust process facilitate periodic replacement of the valves reduce the pumping loss associated with scavenging reduce tension on valve springs
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