System for supplying combustion air to a supercharged internal c

Details System for supplying combustion air to a supercharged internal c System for supplying combustion air to a supercharged internal c

1982-11-23

1985-04-30

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

251 58, F02B 2904

Patent

active

045137293

ABSTRACT:
A system for controlling the charge air in a turbocharged vehicle diesel engine having a charge air cooler comprises a two-way valve which has a position in which it conducts charge air from the compressor to the charge air cooler and a position in which it conducts charge air past the cooler. The valve is controlled by the charge air pressure and has a delay function, so that all the charge air is conducted past the cooler during rapid acceleration (rapid pressure change) from low load, thereby achieving an increase in the engine combustion chamber temperature during the first portion of the fuel injection, so as to prevent increased noise emission. At slow pressure changes the valve adjusts itself in response to the charge pressure, so that all the charge air is conducted via the cooler at constant high load.

REFERENCES:
patent: 1371444 (1921-03-01), Sherbondy
patent: 2357502 (1944-09-01), Chilton
patent: 3712282 (1973-01-01), Isley

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