Damper

Details Damper Damper

2011-04-26

2011-04-26

Rodriguez, Pam (Department: 3657)

Brakes

Internal-resistance motion retarder

Piezoelectric

C188S322150, C188S322220

Reexamination Certificate

active

07931132

ABSTRACT:
The invention relates to a damper having a damper cylinder, in which a piston ram is guided via a piston rod, and for adjusting characteristic damper values, the flow of a damper fluid can be controlled. A piezoelectric valve is disposed inside the damper cylinder, and includes a piezoelectric element and an actuator, and an evaluation and control circuit for adjusting the flow of the damper fluid triggers the actuator via the piezoelectric element.

REFERENCES:
patent: 5129489 (1992-07-01), Majima et al.
patent: 5996745 (1999-12-01), Jones et al.
patent: 2006/0086580 (2006-04-01), Fleischer et al.
patent: 2193785 (1988-02-01), None
patent: 01055445 (1989-03-01), None
patent: WO-03/100290 (2003-12-01), None

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