Injector, especially fuel injection valve, with a...

Details Injector, especially fuel injection valve, with a... Injector, especially fuel injection valve, with a...

2005-11-29

2005-11-29

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

C239S585100, C239S585300, C239S128000, C239S088000, C239S089000, C239S091000

Reexamination Certificate

active

06969009

ABSTRACT:
The jacket surface of the piezoelectric actor body (1) is surrounded by an injector housing (9), maintaining an intermediate space and is cooled by direct contact with an inert fluid which does not conduct electricity (6), forming a fluid space in the injector housing (9) which is filled with fluid except for an air reservoir (7). The volume of the air reservoir (7) is at least large enough to allow the thermal expansion of the heat coupling fluid (6) which occurs at the highest operating temperature of the actor body (1).

REFERENCES:
patent: 4943004 (1990-07-01), Takahashi
patent: 6079636 (2000-06-01), Rembold et al.
patent: 6279842 (2001-08-01), Spain
patent: 6386185 (2002-05-01), Cooke
patent: 6663015 (2003-12-01), Yamada et al.
patent: 199 40 055 (2001-04-01), None
patent: 101 40 799 (2003-03-01), None
patent: 102 44 614 (2004-04-01), None

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