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    • 14. 发明授权
    • Liquid pressure circuit
    • 液压回路
    • US09150091B2
    • 2015-10-06
    • US13498434
    • 2010-09-30
    • Tsuneo EndoShigeru IbarakiKazutaka TakahashiDaiki SatoSeiichiro Ishikawa
    • Tsuneo EndoShigeru IbarakiKazutaka TakahashiDaiki SatoSeiichiro Ishikawa
    • B60K6/12B60K6/40F02N7/08F16K3/26F16K3/34F15B13/04F15B13/044
    • B60K6/12B60K6/40F02N7/08F15B13/0406F15B13/0444F16K3/262F16K3/34F16K5/0414Y02T10/6208Y02T10/6282Y10T137/3127Y10T137/86533Y10T137/86702Y10T137/8671Y10T137/86734Y10T137/86751Y10T137/88022
    • A liquid pressure circuit is provided in which connecting an accumulator (22) to a high pressure liquid path (Lh) by opening a cut-off valve (24a) and connecting a intake liquid path (Li) to the high pressure liquid path (Lh) by means of a switch valve (24b) enables a pump/motor (M) to be operated as a motor by liquid stored under pressure in the accumulator (22), connecting the accumulator (22) to the high pressure liquid path (Lh) by opening the cut-off valve (24a) and connecting the intake liquid path (Li) to a low pressure liquid path (Ll) by means of the switch valve (24b) enables the pump/motor (M) to be operated as a pump to thus store liquid of a tank (21) under pressure in the accumulator (22), and closing the cut-off valve (24a) and connecting the intake liquid path (Li) to the high pressure liquid path (Lh) by means of the switch valve (24b) enables the pump/motor (M) to rotate without load; it is therefore possible to switch between three circuits, that is, drive (motor operation), regeneration (pump operation), and neutral (load-free running) by a simple structure with a small number of components.
    • 提供一种液压回路,其通过打开截止阀(24a)并将进气液路径(Li)连接到高压液体通路(Lh)而将蓄能器(22)连接到高压液体通路(Lh) )通过开关阀(24b)使得泵/马达(M)能够通过在储存器(22)中的压力下储存的液体作为电动机操作,将蓄能器(22)连接到高压液体路径(Lh )通过打开截止阀(24a)并且通过开关阀(24b)将进气液路径(Li)连接到低压液体通路(L1)使得泵/马达(M)能够作为 一个泵,用于将蓄液器(21)的液体在压力下储存在蓄能器(22)中,并且关闭截止阀(24a)并将进气流路(Li)连接到高压液体通路(Lh)上 开关阀(24b)的装置使得泵/​​马达(M)能够无负载地旋转; 因此通过具有少量部件的简单结构,可以在三个电路之间切换,即驱动(电动机操作),再生(泵操作)和中性(无负载运行)。
    • 15. 发明申请
    • LIQUID PRESSURE CIRCUIT
    • 液压电路
    • US20120237362A1
    • 2012-09-20
    • US13498434
    • 2010-09-30
    • Tsuneo EndoShigeru IbarakiKazutaka TakahashiDaiki SatoSeiichiro Ishikawa
    • Tsuneo EndoShigeru IbarakiKazutaka TakahashiDaiki SatoSeiichiro Ishikawa
    • F04B49/00
    • B60K6/12B60K6/40F02N7/08F15B13/0406F15B13/0444F16K3/262F16K3/34F16K5/0414Y02T10/6208Y02T10/6282Y10T137/3127Y10T137/86533Y10T137/86702Y10T137/8671Y10T137/86734Y10T137/86751Y10T137/88022
    • A liquid pressure circuit is provided in which connecting an accumulator (22) to a high pressure liquid path (Lh) by opening a cut-off valve (24a) and connecting a intake liquid path (Li) to the high pressure liquid path (Lh) by means of a switch valve (24b) enables a pump/motor (M) to be operated as a motor by liquid stored under pressure in the accumulator (22), connecting the accumulator (22) to the high pressure liquid path (Lh) by opening the cut-off valve (24a) and connecting the intake liquid path (Li) to a low pressure liquid path (Ll) by means of the switch valve (24b) enables the pump/motor (M) to be operated as a pump to thus store liquid of a tank (21) under pressure in the accumulator (22), and closing the cut-off valve (24a) and connecting the intake liquid path (Li) to the high pressure liquid path (Lh) by means of the switch valve (24b) enables the pump/motor (M) to rotate without load; it is therefore possible to switch between three circuits, that is, drive (motor operation), regeneration (pump operation), and neutral (load-free running) by a simple structure with a small number of components.
    • 提供一种液压回路,其通过打开截止阀(24a)并将进气液路径(Li)连接到高压液体通路(Lh)而将蓄能器(22)连接到高压液体通路(Lh) )通过开关阀(24b)使得泵/马达(M)能够通过在储存器(22)中的压力下储存的液体作为电动机操作,将蓄能器(22)连接到高压液体路径(Lh )通过打开截止阀(24a)并且通过开关阀(24b)将进气液路径(Li)连接到低压液体通路(L1)使得泵/马达(M)能够作为 一个泵,用于将蓄液器(21)的液体在压力下储存在蓄能器(22)中,并且关闭截止阀(24a)并将进气流路(Li)连接到高压液体通路(Lh)上 开关阀(24b)的装置使得泵/​​马达(M)能够无负载地旋转; 因此通过具有少量部件的简单结构,可以在三个电路之间切换,即驱动(电动机操作),再生(泵操作)和中性(无负载运行)。