Arrangement and method for removal of air from a hydraulic syste

Details Arrangement and method for removal of air from a hydraulic syste Arrangement and method for removal of air from a hydraulic syste

1995-05-15

1997-11-18

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Methods of operation

60453, F16D 3102

Patent

active

056875665

ABSTRACT:
A hydraulic system has a master cylinder, one or more servo cylinders and a line connecting each servo cylinder to the master cylinder. Air is removed from a line by pumping hydraulic fluid into the respective servo cylinder using a reciprocating hand pump. The pump has a transparent pumping chamber which automatically refills with fluid after each pumping stroke, and the pumping chamber has graduations which indicate the amount of fluid in the pumping chamber. A measured amount of fluid equal to the volume of a line is pumped into the associated servo cylinder. If two servo cylinders are fed by respective branch lines of a common supply line, the amount of fluid pumped into the first servo cylinder equals the volume of the corresponding branch line while the amount of fluid pumped into the second servo cylinder equals the volume of the corresponding branch line plus the volume of the supply line.

REFERENCES:
patent: 2505213 (1950-04-01), Schnell
patent: 2635620 (1953-04-01), Deardorff
patent: 3154087 (1964-10-01), Beaver
patent: 3157478 (1964-11-01), Edwards
patent: 3561214 (1971-02-01), Bobst
patent: 4038823 (1977-08-01), Mostert
patent: 4741417 (1988-05-01), Caramanna
patent: 4785629 (1988-11-01), Ennis, III et al.
patent: 5456078 (1995-10-01), Goloff

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