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公开(公告)号:US3951575A
公开(公告)日:1976-04-20
申请号:US377922
申请日:1973-07-10
IPC分类号: F04C2/18 , F01C1/18 , F03C1/40 , F03C2/08 , F04C2/14 , F04C14/02 , F04C14/06 , F04C18/18 , F04B49/02 , F01C1/08 , F01C19/04 , F03C3/00
CPC分类号: F04C14/065 , F04C2/14
摘要: A gear pump and motor having a plurality of pumps and motors, each of which have at least three gears interengaged with one another, seal members disposed adjacent to the gears, and control means for selectively controlling the movement of the seal members toward or away from the gears of the pump and motors so as to selectively actuate the pumps and motors so as to attain a desired output.
摘要翻译: 一种具有多个泵和马达的齿轮泵和马达,每个泵和马达具有彼此相互接合的至少三个齿轮,与齿轮相邻设置的密封构件,以及用于选择性地控制密封构件朝向或远离的运动的控制装置 泵和马达的齿轮,以便选择性地致动泵和马达,以获得期望的输出。
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公开(公告)号:US3996840A
公开(公告)日:1976-12-14
申请号:US491112
申请日:1974-07-23
申请人: Masayuki Futamata , Hidenori Sato
发明人: Masayuki Futamata , Hidenori Sato
IPC分类号: F15B11/08 , F15B11/00 , F15B13/042 , F04B21/00
CPC分类号: F15B11/00 , F15B13/042 , F15B2211/30575 , F15B2211/31576 , F15B2211/329 , Y10T137/87201
摘要: A control circuit for an actuator having an operation valve for selectively distributing hydraulic oil from a pump to plural actuators which has a plurality of conduits, a plurality of pilot-operated valves for controlling the flow direction of oil to the actuator side or the tank side, and a pilot spool valve, whereby the operating force of the operation valve can be greatly reduced in simple operation.
摘要翻译: 一种用于致动器的控制电路,其具有用于将液压油从泵选择性地分配到具有多个管道的多个致动器的操作阀,用于控制到致动器侧或罐侧的油流动方向的多个先导阀 和先导滑阀,由此能够在简单的操作中大大降低操作阀的操作力。
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