Internal-combustion engines – Engine speed regulator – Idle speed control
Patent
1997-09-30
1999-10-19
Wolfe, Willis R.
Internal-combustion engines
Engine speed regulator
Idle speed control
F02D 4116
Patent
active
059671173
ABSTRACT:
A method for determining a rotational speed for an idling control of an internal combustion engine, in particular of a diesel internal combustion engine with an idling controller, includes using a change in a so-called current rotational speed in relation to a previous rotational speed as an input variable for the idling controller. The change is composed of an expansion rotational speed of the respectively last cylinder and of a previously calculated, weighted compression rotational speed of the current cylinder. The expansion rotational speeds of the last two cylinders, as well as the difference between them and the last compression rotational speed are used for that purpose.
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Freudenberg Hellmut
Larisch Benno
Wenzlawski Klaus
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Vo Hieu T.
Wolfe Willis R.
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