Hydraulic damper with hydraulic stop device
Provided is a hydraulic damper with a hydraulic stop device. The hydraulic damper comprises a pipe limiting a chamber. The pipe has a main section and a narrowing section. A main piston assembly is arranged in the main section and is connected with a piston rod. A stop mechanism is fixed to the pist...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | Provided is a hydraulic damper with a hydraulic stop device. The hydraulic damper comprises a pipe limiting a chamber. The pipe has a main section and a narrowing section. A main piston assembly is arranged in the main section and is connected with a piston rod. A stop mechanism is fixed to the piston rod. A secondary piston can move in the narrowing section. The interior surface of the secondary piston limits at least one radial inner passage. The piston rod limits an annular recess. The secondary piston includes a locking mechanism that can axially slide in the annular recess. The secondary piston can axially move between a hydraulic stop engagement stroke and a hydraulic stop separation stroke, wherein during the hydraulic stop engagement stroke the secondary piston is engaged with the stop mechanism and prevents flow of fluids in the radial inner passage, and during the hydraulic stop separation stroke the secondary piston is separated from the stop mechanism and allows flow of the fluids in the radial in |
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