Hydraulic drive

Details Hydraulic drive Hydraulic drive

1978-05-16

1980-05-13

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

91 5, F15B 102

Patent

active

042021740

ABSTRACT:
A hydraulic drive according to the invention comprises a gas hydraulic accumulator and a chamber whose volume is equal to at least the consumption of fluid by a User, e.g. a hydraulic cylinder of a press. This chamber is divided by a piston into two spaces. One of these communicates with the accumulator through a pipeline which is connected to a pump. The other space of the chamber communicates with the pump through a nonreturn valve, and with the User, through a closing device. This layout of the hydraulic drive steps up its reliability and ensures the possibility of controlling the pressure in the gas-hydraulic accumulator.

REFERENCES:
patent: 706688 (1902-08-01), Reynders et al.
patent: 3100965 (1963-08-01), Blackburn
patent: 3564842 (1971-02-01), Van Marle

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