Hydraulic control unit for an automatic transmission of a motor vehicle

A hydraulic control unit (4) for an automatic transmission of a motor vehicle includes a volumetric flow rate control valve (49). The hydraulic control unit (4) is configured for delivering hydraulic fluid to an inlet (59) of the volumetric flow rate control valve (49). An outlet (31, 71) of the vol...

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Bibliographische Detailangaben
Hauptverfasser:	Haberstock, Alexander, Schupp, Christian, Haugg, Armin, Schmidt, Thilo, Herrmann, Markus
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR ENGINEERING ELEMENTS AND UNITS FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A hydraulic control unit (4) for an automatic transmission of a motor vehicle includes a volumetric flow rate control valve (49). The hydraulic control unit (4) is configured for delivering hydraulic fluid to an inlet (59) of the volumetric flow rate control valve (49). An outlet (31, 71) of the volumetric flow rate control valve (18, 49) is connected to a torque converter torus of the automatic transmission. In addition, the volumetric flow rate control valve (59) is configured for directing the hydraulic fluid across an orifice (66), so that the pressure of the hydraulic fluid is reduced and a constant flow of hydraulic fluid is feedable to a torque converter torus.