Cross section controlled multi-jet injection valve

Details Cross section controlled multi-jet injection valve Cross section controlled multi-jet injection valve

1991-05-30

1994-02-01

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395337, 23953312, 13762537, B05B 132, F02M 6108

Patent

active

052825779

ABSTRACT:
A cross-section controlled multi-jet injection valve for an air-distributor injection in air-compressing combustion engines is provided. In order to fulfill the more stringent requirements and standards for exhaust fume quality it is necessary to provide a homogenous fuel/air mixture. This is achieved with a valve needle which is provided with an axially and radially oriented key. Due to this key a favorable ratio of injection cross-section to circumference of the respective cross-section is achieved. Accordingly, a division of the injection jet and a mixing with air is provided. Due to correspondingly adjusted pressure springs the injection pressure at varying amounts of fuel to be injected is kept constant which furthermore provides a constant homogeneity of the fuel/air mixture. Thus an excellent exhaust fume quality is obtained for the entire performance range.

REFERENCES:
patent: 2914257 (1959-11-01), Wiant
patent: 4513916 (1985-04-01), Skinner
patent: 4662338 (1987-05-01), Itoh et al.
patent: 4753213 (1988-06-01), Schlunke et al.
patent: 4817873 (1989-04-01), McKay
patent: 5020728 (1991-06-01), Linder et al.

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