Hydraulic combination valve, transmission hydraulic system and vehicle

The invention discloses a hydraulic combination valve, a transmission hydraulic system and a vehicle, the hydraulic combination valve comprises a valve sleeve, an oil inlet space is arranged in the valve sleeve, and the valve sleeve is provided with a pressure relief hole, a liquid outlet hole, a fi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG BINYUN, LEI CHAOYU, SUN HAO, KE ZHENGTING, WEN XIN
Format:	Patent
Sprache:	chi ; 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:	The invention discloses a hydraulic combination valve, a transmission hydraulic system and a vehicle, the hydraulic combination valve comprises a valve sleeve, an oil inlet space is arranged in the valve sleeve, and the valve sleeve is provided with a pressure relief hole, a liquid outlet hole, a first connecting hole, a second connecting hole and a liquid inlet hole; the first valve body and the second valve body are both arranged in the oil inlet space, a first oil cavity communicated with the pressure relief hole is formed between the first valve body and the valve sleeve, a second oil cavity communicated with the liquid outlet hole is formed between the second valve body and the valve sleeve, a first valve inlet of the first valve body is communicated with the second oil cavity, and a second valve inlet of the second valve body is communicated with the liquid outlet hole. A second valve inlet of the second valve body communicates with the oil inlet space, the first connecting hole and the liquid inlet hol