Injector having inwardly opening valves connected in series

Details Injector having inwardly opening valves connected in series Injector having inwardly opening valves connected in series

2005-06-21

2005-06-21

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Injection nozzle opened by relieving supply

C239S088000, C239S533200, C239S533300, C239S585100, C239S585400, C239S585500

Reexamination Certificate

active

06908044

ABSTRACT:
A fuel injector for fuel injection systems in internal combustion engines. The injector includes a housing in which valves arranged in series are accommodated. One of the valves is actuated by an actuator assigned to the injector. Each of the valves is assigned a controllable control space, each having one inlet. The valves are designed as inwardly opening valves. One of the valves, which may be actuated by the actuator, acts by way of a spring package upon the other of the valves, which is under prestress by a first spring element.

REFERENCES:
patent: 4071197 (1978-01-01), Bailey et al.
patent: 4527737 (1985-07-01), Deckard
patent: 4986472 (1991-01-01), Warlick et al.
patent: 5121730 (1992-06-01), Ausman et al.
patent: 5341783 (1994-08-01), Beck et al.
patent: 823 549 (1998-02-01), None

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