Technical details Gas engine

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1 technical details

1.1 fuel-air mixing
1.2 exhaust valves
1.3 ignition





technical details
fuel-air mixing

a gas engine differs petrol engine in way fuel , air mixed. petrol engine uses carburetor or fuel injection gas engine uses venturi system introduce gas air flow. gas engines used three-valve system, separate inlet valves air , gas.


exhaust valves

the weak point of gas engine compared diesel engine exhaust valves, since gas engine exhaust gases hotter given output, , limits power output. diesel engine given manufacturer have higher maximum output same engine block size in gas engine version. diesel engine have 3 different ratings - standby, prime, , continuous, (uk, 1-hour rating, 12-hour rating , continuous rating) gas engine have continuous rating, less diesel continuous rating.


ignition

various ignition systems have been used, including hot-tube ignitors , spark ignition. modern gas engines dual-fuel engines. main source of energy gas-air mixture ignited injection of small volume of diesel fuel.







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