Safety device for a supercharged internal combustion engine

Details Safety device for a supercharged internal combustion engine Safety device for a supercharged internal combustion engine

1981-07-10

1987-08-11

Wolfe, Jr., Willis R.

Internal-combustion engines

Charge forming device

Fuel injection system

123198DB, 123415, 60601, 60603, 60611, F02M 5100, F02D 3300, F02P 504

Patent

active

046854355

ABSTRACT:
A safety device is proposed for an internal combustion engine which is operated with supercharging in combination with both a fuel metering system and a control unit for the instant of ignition. The safety device is characterized in that it controls the fuel metering in accordane with the volumetric efficiency of the engine. In the case of an excessively high volumetric efficiency, a defect of the charger or of the charge-pressure regulator is presumed. In order to protect the engine from mechanical and thermal overload, the fuel metering in this case is either reduced or shut off completely. The subsequent reinitiation of the fuel metering is suitably effected in combination with a late instant of ignition or a late injection onset in order to prevent a jump in torque.

REFERENCES:
patent: 4044560 (1977-08-01), Dorsch et al.
patent: 4112879 (1978-09-01), Assenheimer et al.
patent: 4256072 (1981-03-01), Nakatomi et al.

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