Oil cylinder internally provided with two auxiliary oil supplying passages

An oil cylinder internally provided with two auxiliary oil supplying passages mainly comprises a main oil cylinder and an inner oil cylinder, wherein the inner oil cylinder is arranged inside a piston rod of the main oil cylinder. A first auxiliary oil supplying port formed at the front end of the p...

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Bibliographische Detailangaben
1. Verfasser:	GUO MINGDONG
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:	An oil cylinder internally provided with two auxiliary oil supplying passages mainly comprises a main oil cylinder and an inner oil cylinder, wherein the inner oil cylinder is arranged inside a piston rod of the main oil cylinder. A first auxiliary oil supplying port formed at the front end of the piston rod of the main oil cylinder is communicated with a rod chamber of the inner oil cylinder through an oilhole formed in the piston rod of the main oil cylinder; and then the rod chamber of the inner oil cylinder is communicated with a first auxiliary oil supplying access opening formed at the bottom part of a cylinder barrel of the main oil cylinder through a first communicating oilhole formed in the piston rod of the inner oil cylinder. A second auxiliary oil supplying port formed at the outer end of a plug is communicated with a rodless chamber of the inner oil cylinder through the oilhole formed in the plug at the cylinder bottom of the inner oil cylinder; and then the rodless chamber of the inner oil cylin