Vibration suppression apparatus for hydraulic system with improv

Details Vibration suppression apparatus for hydraulic system with improv Vibration suppression apparatus for hydraulic system with improv

1992-08-24

1993-09-21

Look, Edward K.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

60420, 60426, 60468, 91518, F16D 3102

Patent

active

052458261

ABSTRACT:
A hydraulic control circuit for building machinery includes a hydraulic cylinder to operate a tool. To stabilize vibrations of the tool around the pitch axis, a hydraulic accumulator is provided to be connected to a pressure source via a fill line. A shut-off valve is disposed in the fill line, which valve is subjected to the pressure in the accumulator such that in operating the cylinder the accumulator is loaded to a pressure corresponding to the load pressure. The system is very simple in structure and fluid losses are eliminated.

REFERENCES:
patent: 4353286 (1982-10-01), Wetter
patent: 4706930 (1987-11-01), Lexen
patent: 4723412 (1988-02-01), Buschmann
patent: 4959957 (1990-10-01), Schmale et al.
patent: 4995517 (1991-02-01), Saotome
patent: 5116188 (1992-05-01), Kurohashi et al.
patent: 5147172 (1992-09-01), Hosseini

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