Built-in return oil filter and hydraulic oil tank using same

The utility model discloses a built-in oil return filter which comprises a vertically arranged cylinder, a bottom cover arranged in the bottom end of the cylinder, a filter element arranged in the cylinder, an annular gap formed between the outer wall of the filter element and the inner wall of the...

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Bibliographische Detailangaben
Hauptverfasser:	JIANG LIBO, CHEN SONGCHAO, WANG SHUO, XU QINGPING, LI QI, JI GUANGHUI, WANG YINGJUN, SHAO RUINA, NING JIATAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a built-in oil return filter which comprises a vertically arranged cylinder, a bottom cover arranged in the bottom end of the cylinder, a filter element arranged in the cylinder, an annular gap formed between the outer wall of the filter element and the inner wall of the cylinder, a flange plate fixedly connected to the top end of the cylinder, and a plurality of bolt holes formed in the flange plate in the circumferential direction. The flange plate is fixedly connected with a mounting step in the hydraulic oil tank through a bolt; a gland is fixedly connected to the radial inner wall of the flange plate above the barrel, and an oil through hole vertically penetrating through the gland is formed in the gland; an oil outlet communicated with a hydraulic oil tank is formed in the bottom of the barrel; and the gland is in compression joint with the filter element. The hydraulic oil tank filter can be conveniently installed inside a hydraulic oil tank, compared with a filter installed