专利名称：HYDRAULIC CIRCUIT FOR HYDRAULIC
MACHINE
发明人：MORITA, Izuru, Shin Caterpillar Mitsubishi
Ltd.,MAEDA, Ryuzo, Shin CaterpillarMitsubishi Ltd.,SHIGETA, T., Shin CaterpillarMitsubishi Ltd.
申请号：EP97901763.9申请日：19970129公开号：EP0819795A1公开日：19980121
专利附图：
摘要：A hydraulic circuit is intended to enable a plurality of hydraulic actuators to belocked or unlocked at the same time no matter whether control valves controllingpressurized oil feed to the hydraulic actuators are pilot-controlled or not. To this end,the circuit is provided with oil lines leading from hydraulic pumps to an oil tank withoutpassing through the control valves and with first and second selector valves 20 and 24opening or closing the oil lines.
申请人：Shin Caterpillar Mitsubishi Ltd.
地址：10-1, Yoga 4-chome, Setagaya-ku Tokyo 158 JP
国籍：JP
代理机构：Smith, Norman Ian
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