发明名称 |
SOUPAPE DE SEPARATION, EQUILIBREE, CENTREE PAR DES RESSORTS |
摘要 |
<p>A hydraulic system including a source of pressurized fluid, a plurality of hydraulic motors with a plurality of control valves for directing fluid from the source to the motors, a dual-stage relief valve for the system for normally establishing a first pressure for part of the system for some of the motors and a second pressure for part of the system for the remainder of the motors and responsive to at least a pair of the control valves of the system for establishing the higher pressure includes a balanced resolver valve disposed between the pair of directional control valves and the relief valve and operative to prevent simultaneous communication of the pair of valves with the relief valve.</p> |
申请公布号 |
FR2329880(A1) |
申请公布日期 |
1977.05.27 |
申请号 |
FR19760025663 |
申请日期 |
1976.08.25 |
申请人 |
CATERPILLAR TRACTOR CO |
发明人 |
HOWARD LEIGHTON JOHNSON |
分类号 |
B62D11/18;E02F9/22;F15B11/16;F15B11/17;(IPC1-7):15B13/06 |
主分类号 |
B62D11/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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