Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2004-03-19
2008-09-02
San Martin, Jaydi A (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
Reexamination Certificate
active
07420316
ABSTRACT:
An actuator unit suitable for actuating a fuel injection valve of an injection system for internal combustion engines is comprised of a piezoelectric actuator and a hollow body embodied in the form of a spring. Embodying the hollow body according to the present invention can extend the service life of the actuator unit.
REFERENCES:
patent: 4919403 (1990-04-01), Bartholomew
patent: 4958101 (1990-09-01), Takahashi et al.
patent: 6681462 (2004-01-01), Frank et al.
patent: 6873085 (2005-03-01), Graham et al.
patent: 7175112 (2007-02-01), Uhlmann
patent: 7222424 (2007-05-01), Jovovic et al.
patent: 2002/0086199 (2002-07-01), Gibb et al.
patent: 2003/0034594 (2003-02-01), Schmieder et al.
patent: 101 27 583 (2002-12-01), None
patent: 101 40 196 (2003-03-01), None
patent: 2 257 822 (1975-08-01), None
patent: WO 00/08353 (2000-02-01), None
patent: WO 03/033933 (2003-04-01), None
patent: WO 03033933 (2003-04-01), None
Kienzler Dieter
Uhlmann Dietmar
Greigg Ronald E.
Martin Jaydi A San
Robert & Bosch GmbH
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