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公开(公告)号：KR1020170065555A
公开(公告)日：2017-06-13
申请号：KR1020177010699
申请日：2015-09-29
Applicant: 파커-한니핀 코포레이션
Inventor： 쿨리지,그레고리
CPC classification number: F15B11/161 , E02F3/32 , E02F9/2225 , E02F9/2267 , F15B13/026 , F15B13/027 , F15B2211/3105 , F15B2211/3122 , F16K11/07 , F16K31/426 , F15B13/02
Abstract: 부하감지, 폐쇄-센터, 및/또는개방-센터밸브로서구성될수 있는예시적인제어밸브. 상기제어밸브는가변변위펌프가동일한스택내의별개의밸브또는워크섹션의높은부하워크포트에연결된장치를작동하는압력을유도하고있을때에도낮은-부하워크포트상에서작동하는장치를작업자가스무스하게잠재적으로작동하게하도록선택적인별개의밸브힘 감지를구비할수 있다. 이러한선택적인힘 감지는임의의밸브스택과관련된임의의또는모든워크섹션상에채용될수 있고, 임의소정의워크섹션을위한하나또는양자의워크포트상에더 구비될수 있다. 각각의워크섹션은펌프에의해공급되는유체의병렬및 가변경로를구비할수 있다. 또한, 대응하는유압시스템내의하나이상의워크섹션또는외부밸브에대한흐름우선권은선택적이며, 가변흐름경로및 대응하는고정식구속부를이용하여주문제작될수 있다.
Abstract translation: 示例性控制阀可以被配置为负载感测，闭合中心和/或开中心阀。 上述控制阀是可变排量泵，一个单独的阀或一工作部高负载作业端口低，即使当诱导压力下操作在同一堆叠连接到一个设备， - 负载工作端口上并潜在地向操作者平滑操作的设备 有可能有一个单独的阀门力检测是可选的操作。 这种选择性的力感测可以用在与任何阀组相关联的任何或全部工作部分上，并且可以进一步设置在用于任何给定工作部分的一个或两个工作端口上。 每个工作部分可以具有由泵供应的平行且可变的流体路径。 此外，相应液压系统中的一个或多个工作部分或外部阀的流量优选是可选的并且可以使用可变流动路径和相应的固定约束来定制。
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公开(公告)号：KR1020110093670A
公开(公告)日：2011-08-18
申请号：KR1020110011403
申请日：2011-02-09
Applicant: 도시바 기카이 가부시키가이샤
IPC: F15B13/043 , E02F9/22 , F16K11/07
CPC classification number: F16K15/02 , F15B13/027 , F15B13/0402 , F15B2211/3116 , F15B2211/329 , F16K11/07 , Y10T137/7841 , Y10T137/7846 , Y10T137/7904 , Y10T137/7925 , Y10T137/87193 , Y10T137/87225
Abstract: PURPOSE: The cavitation does not occur as to inside of casing. Therefore, as to vibration, the noise does not generate. The implosive failure does not occur. CONSTITUTION: A hydraulic control valve for construction machines comprises a check valve unit and a pressuring fluid passage. The check valve unit is installed a first check valve(4). In the state where in the first check valve, the pressuring fluid from the parallel path is provided, it runs in order to seclude stack with a tandem passage. The check valve unit stores impossibly rotation. In the check valve unit, a groove(8) accepting a rib(7) is formed in the receiving portion inner circumference. In the check valve unit, a second check valve secluding the flow of the hydraulic oil to the hydraulic oil path from the parallel path is installed. The pressuring fluid passage is formed between the receiving portion inner circumference and valve body outer circumference of the check valve unit from a parallel passage.
Abstract translation: 目的：机壳内部并不发生气穴现象。 因此，对于振动，噪声不会产生。 爆炸性故障不会发生。 构成：用于施工机械的液压控制阀包括止回阀单元和加压流体通道。 止回阀单元安装有第一止回阀（4）。 在第一止回阀中设置有来自平行路径的加压流体的状态下，为了通过串联通道来排除堆叠。 单向阀单元不可能旋转。 在止回阀单元中，在容纳部内周形成有容纳肋（7）的槽（8）。 在止回阀单元中，安装有从平行路径将工作油流向液压油路的第二止回阀。 压力流体通道从平行通道形成在止回阀单元的容纳部内周和阀体外周之间。
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公开(公告)号：KR1020100111168A
公开(公告)日：2010-10-14
申请号：KR1020090029595
申请日：2009-04-06
Applicant: 울산대학교 산학협력단
CPC classification number: F15B13/0401 , F15B13/027 , F15B15/08 , F15B15/1423 , F15B2211/205
Abstract: PURPOSE: A direct-acting warm-heartedness pressure driver for improving the efficiency of the fluid pressure energy is provided to stably supply the flow rate of the fluid within system while selectively opening closing the reservoir by a check valve. CONSTITUTION: A direct-acting warm-heartedness pressure driver includes a pump(120), a closed type hydraulic device(170), a first fluid path, a second fluid path, a third fluid path, an oil reservoir, and a first check valve. The pump alternates the driving source to the forward direction and reverse direction and two way pump transfers the fluid. The closed type hydraulic device is formed in the first check valve. The second fluid path interlinks the reverse direction outlet and the second through hole of the pump.
Abstract translation: 目的：提供一种用于提高流体压力能量效率的直接热心心脏压力驱动器，以便在选择性地打开通过止回阀打开储存器的同时稳定地提供流体在系统内的流量。 构成：直接作用的温暖心脏压力驱动器包括泵（120），封闭式液压装置（170），第一流体路径，第二流体路径，第三流体路径，油储存器和第一检查 阀。 泵将驱动源交替向正向和反向，双向泵传输流体。 闭式液压装置形成在第一止回阀中。 第二流体路径将泵的反向出口和第二通孔相互连接。
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公开(公告)号：KR100814496B1
公开(公告)日：2008-03-18
申请号：KR1020070032482
申请日：2007-04-02
Applicant: 주식회사 파카한일유압
Inventor： 백인철
CPC classification number: F15B13/02 , F15B13/027 , F15B2211/305 , F15B2211/405 , F16K11/07
Abstract: A hydraulic control valve for a hydraulic fluid supplement is provided to improve productivity, to simplify a structure, to be easily installed by replacing divided spool cap with a single type spool cap. A hydraulic control valve for a hydraulic fluid supplement includes a valve block(10), a pair of spools(20), a finish spool cap(30), and a single type spool cap(40). The valve block includes hydraulic fluid paths(12) and a pair of spool holes(13). The hydraulic fluid paths is opened and closed by a rod check valve(11) and supplies high pressure hydraulic fluid to each of actuators. The spool holes are connected with the hydraulic fluid paths. The spools are inserted in the spool holes and moves up and down by the hydraulic fluid supplied during an operation of a hydraulic joystick. The finish spool cap seals a lower part of the spools. The single type spool cap is positioned in an opposite side to the finish spool cap and is installed on the valve block in order to embrace upper ends of the spools.
Abstract translation: 提供用于液压油补充的液压控制阀以提高生产率，简化结构，通过用单个型式的卷轴盖更换分隔的卷轴盖来容易地安装。 用于液压油补充的液压控制阀包括阀块（10），一对阀芯（20），精密阀芯盖（30）和单型阀芯盖（40）。 阀块包括液压流体路径（12）和一对阀芯孔（13）。 液压流体路径由杆止回阀（11）打开和关闭，并向每个致动器提供高压液压流体。 阀芯孔与液压流体路径连接。 阀芯插入阀芯孔中，并通过在液压操纵杆操作期间供给的液压流体上下移动。 最终卷轴帽密封卷轴的下部。 单型卷轴盖位于完成卷轴盖的相对侧，并且安装在阀块上以包围卷轴的上端。
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公开(公告)号：KR101312839B1
公开(公告)日：2013-09-27
申请号：KR1020110011403
申请日：2011-02-09
Applicant: 도시바 기카이 가부시키가이샤
IPC: F15B13/043 , E02F9/22 , F16K11/07
CPC classification number: F16K15/02 , F15B13/027 , F15B13/0402 , F15B2211/3116 , F15B2211/329 , F16K11/07 , Y10T137/7841 , Y10T137/7846 , Y10T137/7904 , Y10T137/7925 , Y10T137/87193 , Y10T137/87225
Abstract: 본 발명의 과제는, 탠덤 통로와 패럴렐 통로로부터 체크 밸브를 통해 압유가 공급되는 타입의 유압 제어 밸브에 내장된 체크 밸브의 밸브체의 고속 회전을 저지하는 유압 제어 밸브를 제공하는 것이다.
체크 밸브 유닛(CH)은 본체(6)와 제1 체크 밸브(4)의 밸브체(4a)로 구성된다. O-링 홈(6a)의 우측에 오리피스부(3)가 설치되어 있다. 상기 본체측에는 유압 제어 밸브의 케이싱에 고정하기 위해 외주부에 나사부(d)를 형성한 원통 형상의 수납부(6b)가 형성된다. 이 수납부 내주면에는 축 방향으로 홈(8)이 형성되어 있다. 한편, 제1 체크 밸브(4)의 밸브체에는 리브(7)가 설치되어 있고, 조립 장착시에 이 리브(7)는 본체의 홈(8)에 화살표와 같이 삽입된다. 밸브체가 본체에 조립 장착되어 상기 케이싱에 고정되면 동 밸브체는 압유 통로(4b)의 위상 어긋남 등의 불균형이 있어도 홈에 끼움 삽입된 리브, 즉, 밸브체는 축 방향으로 미끄럼 이동 가능하지만 회전은 저지되므로 밸브체의 착좌 부분의 케이싱을 마모시키는 일이 없다.-
Patent Agency Ranking
公开(公告)号：KR101275257B1
公开(公告)日：2013-06-17
申请号：KR1020120073815
申请日：2012-07-06
Applicant: 최병열
Inventor： 최병열
CPC classification number: F15B5/00 , F01B9/06 , F01B11/00 , F01B23/10 , F01B29/08 , F15B13/021 , F15B13/027 , H02K1/278 , H02K1/30 , H02K7/1815
Abstract: PURPOSE: A system for storing physical energy is provided to optimize power generation efficiency by minimizing mechanical loss as a control valve controls the required amount of gas within stored energy. CONSTITUTION: A system for storing physical energy comprises a pressure container cylinder(100), a piston(110), a piston rod(120), a first check valve(160), a first pipeline(A), a control valve(150), a gas generator(200), a second pipeline(B), and a second check valve(170). The pressure container cylinder is charged with high pressure gas, and airtight from outside. The piston is installed inside a cylinder chamber, and divides the cylinder chamber into front and rear cylinder chambers. The piston rod penetrates the rear cylinder chamber, and is air-tightly installed. The first check vale allows gas to move to the front cylinder chamber from the rear cylinder chamber. The first pipeline is air-tightly connected to the rear cylinder chamber. The controls valve is installed in the first pipeline. The gas generator is connected to the first pipeline, and operated by high pressure gas. The second pipeline is connected to the front cylinder chamber in order that the high pressure gas returns to the front cylinder chamber. The second check valve is installed in the second pipeline. [Reference numerals] (AA) Physical energy; (BB) Volume difference
Abstract translation: 目的：提供一种用于存储物理能量的系统，以通过最小化机械损失来优化发电效率，因为控制阀控制存储能量内所需的气体量。 构成：用于存储物理能量的系统包括压力容器缸（100），活塞（110），活塞杆（120），第一止回阀（160），第一管道（A），控制阀 ），气体发生器（200），第二管路（B）和第二止回阀（170）。 压力容器筒装有高压气体，并从外部气密。 活塞安装在气缸室内，并将气缸室分为前后气缸室。 活塞杆穿透后缸室，并且气密地安装。 第一个检查阀允许气体从后缸室移动到前汽缸室。 第一管道与后气缸室气密连接。 控制阀安装在第一管道中。 气体发生器连接到第一管道，并由高压气体操作。 第二管道连接到前汽缸室，以便高压气体返回到前汽缸室。 第二止回阀安装在第二管道中。 （附图标记）（AA）物理能量; （BB）体积差异
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公开(公告)号：KR1020120076757A
公开(公告)日：2012-07-10
申请号：KR1020100138456
申请日：2010-12-30
Applicant: 두산모트롤주식회사
CPC classification number: F15B13/02 , B60Y2200/41 , E02F9/2264 , F15B13/027 , F15B21/008 , F15B21/041
Abstract: PURPOSE: A hydraulic motor driving device having a cavitation prevention function is provided to prevent damage to inner components by improving the cleanness of a hydraulic source being drained and a cavitation preventing structure of the existing hydraulic motor with a simple configuration and to apply to a driving motor using a counter balance valve and a rotary motor not using the counter balance valve. CONSTITUTION: A hydraulic motor driving device having a cavitation prevention function comprises a pair of main flow passages(2a,11a,2b,11b), a drain flow passage(13), branch flow passages(12,9a,9b), and a filter(10). The main flow passages supply a hydraulic source to a hydraulic motor(1) from hydraulic driving sources(A,B). The drain flow passage discharges the hydraulic source drained from the hydraulic motor to a tank(14). The branch flow passages are branched from the drain passages, thereby being communicated with the main flow passages. The branched flow passages supply the hydraulic source drained from the hydraulic motor to the main flow passages. The filter is installed in the bran flow passages, thereby purifying the hydraulic source drained from the hydraulic motor.
Abstract translation: 目的：提供一种具有防空穴功能的液压马达驱动装置，通过提高排出的液压源的清洁度和简单的结构的现有液压马达的防气蚀结构，防止内部构件的损坏，并适用于驾驶 电机采用平衡阀和不使用平衡阀的旋转电机。 构成：具有防气穴功能的液压马达驱动装置包括一对主流路（2a，11a，2b，11b），排水流路（13），分支流路（12,9a，9b）和 过滤器（10）。 主流路从液压驱动源（A，B）向液压马达（1）供应液压源。 排水流路将从液压马达排出的液压源排出到油箱（14）。 分支流路从排水通道分支，从而与主流路连通。 分支流路将从液压马达排出的液压源提供给主流路。 过滤器安装在糠液流通道中，从而净化从液压马达排出的液压源。
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公开(公告)号：KR101061422B1
公开(公告)日：2011-09-01
申请号：KR1020110010528
申请日：2011-02-07
Applicant: (주)조정
CPC classification number: F15B13/02 , F15B13/027 , F15B2211/20 , F15B2211/21
Abstract: 본 발명은 유압유를 포함한 탱크(1), 탱크와 실린더(2) 사이에 인입측 체크밸브(3)가 구비되어 있어, 실린더 내로 유입되는 유압유의 역류를 방지하고, 상기 실린더내에서 피스톤 로드가 직선 왕복운동을 하며, 상기 피스톤 로드와 실린더 사이의 마손을 방지하고, 또한 원활한 직선왕복운동을 가능하게 하기 위한 가이드(11)가 설치되어 있으며, 상기 가이드에는 우레탄 패킹(5)이 설치되어 있어 외부와의 완전 밀폐형 구조를 갖고, 상기 피스톤 로드가 후진함에 따라 진공이 발생하고, 상기 인입측 체크밸브의 볼(3-1)이 열림과 동시에 유압유가 상기 실린더 내로 유입되는 수동 유압발생장치의 동력전환장치에 있어서, 외면에 트래버스 캠방식의 X자 형태의 왼손, 오른손 나사홈, 가이드핀이 삽입된 가이드핀 삽입홀이 형성된 상기 피스톤 로드와, 상기 피스톤 로드를 감싸며, 상기 피스톤 로드의 나사홈과 맞닿은 돌기가 내부에 위치된 돌기홀더와, 상기 피스톤 로드, 돌기홀더를 감싸며 수동 유압발생장치에 고정시키며 내측면에 상기 가이드핀의 이탈을 방지하기 위한 홈이 가공된 블록과, 상기 블록 상면에 고정되고, 상기 돌기홀더를 회전시키는 휠을 포함하여 이루어진 것을 특징으로 한다.
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公开(公告)号：KR20100044585A
公开(公告)日：2010-04-30
申请号：KR20080103780
申请日：2008-10-22
Applicant: VOLVO CONSTR EQUIP HOLDING SE
Inventor： KIM MOON SOO
CPC classification number: E02F9/123 , B60Y2200/412 , E02F9/2232 , E02F9/2267 , F15B13/024 , F15B13/027
Abstract: PURPOSE: A hydraulic circuit for construction equipment with a swing device is provided to optimize the relative speed of a swing device by variously controlling the torque of the device. CONSTITUTION: A hydraulic circuit for construction equipment with a swing device comprises variable capacity first and second hydraulic pumps(1,2), a boom cylinder(3), a boom control valve(6), a variable capacity swing motor(19), a swing control valve(13), a variable relief valve, boom joysticks(15), a swing joystick(16), and a main relief valve(17). The boom control valve controls the boom cylinder. The swing control valve controls the swing motor. The boom joysticks supply control pressure to the swing control valve. The swing joystick supplies control pressure to the swing control valve. The main relief valve returns hydraulic fluid to a hydraulic tank.
Abstract translation: 目的：提供具有摆动装置的施工设备的液压回路，通过各种控制装置的转矩来优化摆动装置的相对速度。 构成：具有摆动装置的施工设备的液压回路包括可变容量的第一和第二液压泵（1,2），动臂缸（3），动臂控制阀（6），变容量回转马达（19） 摆动控制阀（13），可变安全阀，起重臂操纵杆（15），摆动操纵杆（16）和主安全阀（17）。 起重臂控制阀控制起重臂液压缸。 摆动控制阀控制回转马达。 起重臂操纵杆向回转控制阀提供控制压力。 摆动操纵杆为摆动控制阀提供控制压力。 主安全阀将液压油返回到液压油箱。
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公开(公告)号：KR1020090072004A
公开(公告)日：2009-07-02
申请号：KR1020070139966
申请日：2007-12-28
Applicant: 나부테스코 가부시키가이샤
CPC classification number: E02F9/22 , B60Y2200/41 , E02F9/2264 , E02F9/2292 , F15B13/024 , F15B13/027
Abstract: A voltage booster circuit of the construction equipment and a feed port of the voltage booster circuit are provided to suppress that a part in which each pilot passage is stationed becomes fatter. A voltage booster circuit of the construction equipment and a feed port of the voltage booster circuit comprise a first block(21a) and a second block(21b) mounted and arranged at the location opposite to location meeting a multiple valve at a right angle. A first check valve and a second check valve(38) are arranged in the first block. A main relief valve(39) is arranged between the first and second block while passing through the first and second block. An anti-return valve is arranged to the second block. A solenoid valve for normal pressure(40) and a solenoid valve for boost pressure(41) are located at the second block A back pressure conversion valve(42) is located at the second block to close to the first block than the solenoid valve for normal pressure and the solenoid valve for boost pressure. A spool(54) of a back pressure changeover valve is arranged in order to be positioned in the orthogonal plane.
Abstract translation: 提供施工设备的升压电路和升压电路的进料口，以抑制每个先导通道驻留的部分变得更加困难。 所述施工设备的升压电路和所述升压电路的进料口包括第一块（21a）和第二块（21b），所述第一块（21a）和第二块（21b）安装并布置在与所述多个阀直角相交的位置处。 第一止回阀和第二止回阀（38）布置在第一块中。 主安全阀（39）在通过第一和第二块时在第一和第二块之间布置。 止回阀设置在第二块上。 用于常压（40）的电磁阀和用于增压压力的电磁阀（41）位于第二块A处。背压转换阀（42）位于第二块处，靠近第一块，比电磁阀 常压和电磁阀用于增压压力。 背压切换阀的阀芯（54）被布置成位于正交平面中。
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