Measuring and testing – Vehicle chassis – Steering
Reexamination Certificate
2007-08-21
2007-08-21
McCall, Eric S. (Department: 2855)
Measuring and testing
Vehicle chassis
Steering
Reexamination Certificate
active
11333306
ABSTRACT:
A method operates a single cylinder two-stroke engine having a cylinder wherein a combustion chamber is formed which is delimited by a piston. The piston drives a crankshaft rotatably journalled in a crankcase. In the method, fuel and combustion air are supplied to the two-stroke engine. In the combustion chamber, a mixture of fuel and combustion air is ignited and the exhaust gases flow out from the combustion chamber via an outlet. At idle, no fuel is metered over a crankshaft angle (α) of at least 700° in order to provide a smooth running of the two-stroke engine with low exhaust-gas values.
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Andreas Stihl AG & Co. KG
McCall Eric S.
Ottesen Walter
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