Valve control device

Details Valve control device Valve control device

1988-02-11

1989-06-20

Miller, Carl Stuart

Internal-combustion engines

Charge forming device

Fuel injection system

123506, 123460, 1374933, F02M 3800

Patent

active

048401609

ABSTRACT:
A control device for a valve arranged in a fuel injection line of an internal combustion engine and closable to build up of injection pressure at an injection nozzle wherein a play adjusting element is arranged between a valve body of the valve and a drive element, characterized in that the adjusting element (14) is provided with two pistons (15, 22) guided in a housing (13), the first pistion (15) is acted upon by the drive element and the second pistion(22) acts upon the valve body, and the housing (13) accommodates between the pistons (15, 22) an oil-containing pressure chamber (23) which is sealed against the valve (1, 2) and accommodates a pressure spring (24) acting upon the pistions (15, 22).

REFERENCES:
patent: 2524799 (1985-06-01), Fenne
patent: 3965826 (1976-06-01), Tissot
patent: 4437443 (1984-03-01), Hofbauer
patent: 4467767 (1984-08-01), Kampichler
patent: 4478189 (1984-10-01), Fenne
patent: 4577606 (1980-03-01), Bohringer
patent: 4628957 (1980-12-01), Hofer
patent: 4648369 (1987-03-01), Waniveinwetsch
patent: 4762386 (1973-10-01), Vhaille

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