Method of assembling an actuator arrangement

Details Method of assembling an actuator arrangement Method of assembling an actuator arrangement

2006-05-02

2006-05-02

Tugbang, A. Dexter (Department: 3729)

Metal working

Piezoelectric device making

C029S830000, C029S837000, C029S841000, C029S852000, C029S869000, C029S873000, C029S888000, C310S328000

Reexamination Certificate

active

07036198

ABSTRACT:
A method of assembling a piezoelectric actuator arrangement comprises providing a piezoelectric element having first and second ends and arranging the piezoelectric element within a sleeve member such that the inner surface of the sleeve member defines, together with the outer surface of the piezoelectric element, a chamber for receiving a first filler material. The first filler material is injected into the chamber and a heating effect is applied to the sleeve member such that the sleeve member deforms to seal against the first filler material. The invention also relates to a piezoelectric actuator arrangement arranged within a sleeve member, an inner surface of the sleeve member and an outer surface of the piezoelectric element together defining, at least in part, a chamber containing a filler material such that, when the actuator arrangement is in use, a force due to fuel pressure within an injector accumulator volume is applied to the piezoelectric element through the sleeve member and the filler material.

REFERENCES:
patent: 4553059 (1985-11-01), Abe et al.
patent: 4821726 (1989-04-01), Tamura et al.
patent: 4941612 (1990-07-01), Li
patent: 5143291 (1992-09-01), Grinsteiner
patent: 5143301 (1992-09-01), Reiter et al.
patent: 5188073 (1993-02-01), Ejiri et al.
patent: 5915626 (1999-06-01), Awarzamani et al.

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