Title:
HYDRAULIC CIRCUIT
Document Type and Number:
Japanese Patent JP2000055004
Kind Code:
A
Abstract:
To release the peak pressure of multiple actuators into a tank by a single safety valve.
Individual control valves 3 and individual actuators 4 are connected through a first circuit 5 and a second circuit 6 respectively, pressurized oil with the highest pressure in the first circuit 5 and the second circuit 6 is selected by multiple shuttle valves 30, and the selected pressurized oil is supplied to a circuit 10 on the higher pressure side of a safety valve 7 to release the highest peak pressure into a tank through the single safety valve 7.
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Inventors:
TAKEUCHI MASAMITSU
IKEI KAZUNORI
IKEI KAZUNORI
Application Number:
JP24256999A
Publication Date:
February 22, 2000
Filing Date:
June 03, 1991
Export Citation:
Assignee:
KOMATSU MFG CO LTD
International Classes:
F15B11/17; (IPC1-7): F15B11/17
Attorney, Agent or Firm:
Tadashi Hamamoto (2 outside)