PROPORTIONAL CONTROL VALVE

The invention relates to a proportional control valve for the variable hydraulic adjustment of the damping force of a shock absorber, for which purpose the proportional control valve has a throttle function which can be set by varying the strength I of the electric current. The invention provides th...

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Bibliographic Details
Main Authors BILLER HARALD, KLEIN JOCHEN, FORCHE MARCUS, COURTH CHRISTIAN, NIEDER VAHRENHOLZ AXEL, HOFFMANN JAN, WEY FABIAN, LENZ RENE
Format Patent
LanguageEnglish
Published 03.08.2009
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
SHOCK-ABSORBERS
SPRINGS
TAPS
THERMAL INSULATION IN GENERAL
TRANSPORTING
VALVES
VEHICLE SUSPENSION ARRANGEMENTS
VEHICLES IN GENERAL
WEAPONS
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Summary:The invention relates to a proportional control valve for the variable hydraulic adjustment of the damping force of a shock absorber, for which purpose the proportional control valve has a throttle function which can be set by varying the strength I of the electric current. The invention provides that on the basis of an instantaneous level of the electrical current Iist the proportional control valve is first closed by increasing the current to a maximum current strength Imax for a short time period toverdrive in order to change the damping force F, and the proportional control valve is then opened again by reducing the current strength I to a defined average current strength I in which the proportional valve assumes an intermediate position which results in a volume flow Q which corresponds to the desired change in the damping force F. ® KIPO & WIPO 2009
Bibliography:Application Number: KR20097011089