Fuel injector with and without pressure ampification with a...

Details Fuel injector with and without pressure ampification with a... Fuel injector with and without pressure ampification with a...

2007-04-03

2007-04-03

Shaver, Kevin (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Injection nozzle opened by relieving supply

C239S088000, C239S102200, C239S533800, C123S467000, C123S500000, C123S299000, C123S300000

Reexamination Certificate

active

10520108

ABSTRACT:
A fuel injector in injection systems for internal combustion engines having a valve body containing a control chamber that can be pressure-relieved and can be acted on with fuel via an inlet throttle and can be pressure-relieved via an outlet throttle. A first actuator can actuate a closing element. The valve body is connected to a holding body that has a nozzle body connected to it, which encompasses an injection valve element. In order to relieve the pressure in the control chamber, an additional, second outlet throttle is provided, whose closing element can be actuated either by an additional actuator or as a function of the power supply to a double-switching actuator.

REFERENCES:
patent: 4185779 (1980-01-01), Watson
patent: 5460329 (1995-10-01), Sturman
patent: 5477834 (1995-12-01), Yoshizu
patent: 5722373 (1998-03-01), Paul et al.
patent: 5954030 (1999-09-01), Sturman et al.
patent: 6073862 (2000-06-01), Touchette et al.
patent: 6298822 (2001-10-01), Radue
patent: 6745958 (2004-06-01), Lei
patent: 6810857 (2004-11-01), Boehland et al.
patent: 6845926 (2005-01-01), Lei

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