Fluid handling – Systems – Supply and exhaust
Patent
1984-09-21
1985-12-10
Michalsky, Gerald A.
Fluid handling
Systems
Supply and exhaust
91530, F15B 1308
Patent
active
045572917
ABSTRACT:
A multiple control valve system comprises a multiple control valve as a main body, an additional attachment valve operatively connected to the multiple control valve, a logic valve oil-tightly fitted to the multiple control valve so as to be communicated with oil passages formed in the multiple control valve, and a change-over valve operatively connected to a spool located in the attachment valve so as to be communicated with oil passages of the attachment valve and connected to the logic valve through a conduit.
REFERENCES:
patent: 3150685 (1964-09-01), Lohbauer et al.
patent: 4178962 (1979-12-01), Tennis
Michalsky Gerald A.
Toshiba Kikai Kabushiki Kaisha
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