| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | 카운터-밸런스 보호로 붐 바운스를 감소시키기 위한 유압 시스템 및 방법 | KR1020157036758 | 2014-05-13 | KR1020160014017A | 2016-02-05 | 왕멩레이첼 |
| 붐(30)의붐 다이나믹스를감소시키는한편카운터-밸런스밸브보호를제공하는유압시스템(600) 및방법은, 유압실린더(110), 제1 및제2카운터-밸런스밸브(300, 400), 제1 및제2 제어밸브(700, 800), 및선택밸브세트(850)를포함한다. 총부하(90)가유압실린더각각에의해제1챔버(116, 118) 및제2챔버(118, 116)를서포트할때, 선택밸브세트는제1구성및 제2구성으로자체-구성하도록적용된다. 선택밸브세트가제1 및제2구성으로인에이블될때, 제2 및제1제어밸브는유압유체흐름을제2 및제1챔버각각으로변동될수 있어, 붐의환경적인바이브레이션(960)에대응하는진동의응답(950)을생성하게한다. 선택밸브세트가인에이블되지않을때, 제1및제2카운터-밸런스밸브는통상적인카운터-밸런스밸브보호를갖는유압실린더를제공하도록적용된다. | ||||||
| 162 | 유압 밸브 장치 | KR1020097023268 | 2008-05-12 | KR101501671B1 | 2015-03-11 | 안데르손보 |
| 본 발명은, 복동형 유압 모터(double acting hydraulic motor)(D), 구체적으로는 복동형 유압 실린더에 대한 제1 엔진 포트(L) 및 제2 엔진 포트(N); 탱크(T) 및 펌프(I); 엔진 포트(L, N)를 탱크(T) 및 펌프(I)에 연결하도록 배치되고, 2개의 개방 위치를 가지며, 라인 F를 경유하는 제1 개방 위치에서의 펌프(I)가 제1 엔진 포트(L)에 연결되고, 라인 G를 경유하여 탱크(T)가 상기 제2 엔진 포트(N)에 연결되며, 라인 G를 경유하는 제2 개방 위치에서의 펌프(I)가 제2 엔진 포트(N)에 연결되고, 라인 F를 경유하는 탱크(T)가 제1 엔진 포트(L)에 연결되는, 핸드 밸브(H); 및 펌프(I)와 제2 엔진 포트(N) 사이에 배치되고, 제2 엔진 포트(N)를 향해 개방하는 제1 논리턴 밸브(nonreturn valve)(1A, 8)를 갖는 유압 밸브 장치에 관한 것이다. 추가로, 본 발명의 유압 밸브 장치는, 라인 E를 경유하는 제1 엔진 포트(L)에서의 부하 압력을 통해, 제1 논리턴 밸브(1A, 8)를, 펌프 압력이 부하 압력을 초과하지 않는 한 폐쇄 상태로 유지되도록 통제하는 피스톤(2); 및 핸드 밸브(H)가 자신의 제1 개방 위치에 있는 한, 제1 엔진 포트(L)를 제2 엔진 포트(N)에 연결하고, 제2 엔진 포트(N)를 향하는 방향으로 개방하도록 배치되는 제2 논리턴 밸브(3)를 포함한다. | ||||||
| 163 | 유체압 제어 장치 | KR1020147024880 | 2013-03-25 | KR1020140138695A | 2014-12-04 | 다케우치도오루 |
| 파일럿 밸브를 통해 공급되는 파일럿압에 의해 제어 밸브와 연동하여 동작하여 오퍼레이트 체크 밸브의 작동을 전환하는 전환 밸브를 구비하고, 전환 밸브는 파일럿실의 파일럿압에 따라서 이동하는 스풀과, 파일럿실에 수납 장착되어 배면에 파일럿압을 받아 스풀에 추력을 부여하는 피스톤을 구비하고, 피스톤은 파일럿실에 미끄럼 이동 가능하게 수납 장착되어 배면에 파일럿압이 작용하는 제1 피스톤과, 선단면이 스풀의 단부면에 대치하여 제1 피스톤의 수용 구멍에 삽입된 제2 피스톤을 구비하고, 제1 피스톤의 수용 구멍의 저면 및 제2 피스톤의 배면 중 어느 한쪽의 중심부에 구면 형상의 돌기가 형성된다. | ||||||
| 164 | 해양 선박의 스러스터용의 유압식 조타 장치 | KR1020147009298 | 2011-09-09 | KR1020140060571A | 2014-05-20 | 데브라윈얀케스; 뢰멘리크; 판데어펜바르트 |
| 본 발명은 해양 선박의 스러스터용의 유압식 조타 장치의 신규의 디자인에 관한 것이다. 본 발명의 유압식 조타 장치는, 구체적으로는, 얼음이 존재하는 북극 환경에서 작동하도록 의도되는 스러스터들을 위해 디자인된다. 북극의 요건을 충족시키기 위하여, 조타 장치에는 예컨대 얼음에 의해 스터스터 (1) 가 받게 되는 토크를 흡수시키기 위하여 유압식 조타 모터 (8) 에 근접하게 배치되는 크로스 오버 안전 블록 (80) 이 제공된다.
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| 165 | 유체압 구동유닛 및 제설장치 | KR1020097018875 | 2008-04-24 | KR101389956B1 | 2014-04-30 | 사토오사무; 사카이요시타케; 니시오카시로 |
| 제설 블레이드의 좌우각도 조정용 등 위치 유지 중의 외력에 대해서도 안정적으로 위치 유지기능을 발휘할 수 있는 유체압 구동유닛을 제공한다. 싱글-로드 복동 실린더(2)의 바닥측 포트와 오퍼레이트 체크밸브(4)의 바닥측을 연결하는 바닥측 관로(10a)로부터 싱글-로드 복동 실린더(2)와의 로드측 포트와 오퍼레이트 체크밸브(4)의 로드측을 연결하는 로드측 관로(10b)에 작동유체를 도피시키는 제1 과부하 릴리프밸브(6)를 설치하고, 로드측 관로(10b)로부터 탱크(3)에 작동유체를 도피시키는 제2 과부하 릴리프밸브(7)를 설치하고, 바닥측 관로(10a)에 탱크(3)로부터의 작동유체의 유입을 허용하는 부압 방지용 체크밸브(8)를 설치하였다. 제설, 블레이드, 각도, 조정, 유체압, 구동유닛 | ||||||
| 166 | 전자식 유압 누출 보상 장치 및 방법 | KR1020090043672 | 2009-05-19 | KR101184151B1 | 2012-09-18 | 토마스하이드리히; 요하네스슈어만 |
| 본 발명은 리프팅 유니트(6, 7), 하강 브레이크밸브(4) 및 기계식 브레이크(9)와 연결되는 유압 모터(5)와, 기계식 브레이크(9)가 폐쇄되기 전, 특히 폐쇄되기 바로 직전에 유압 모터(5)의 부하측과 상승유로(3) 측의 압력을 측정하는 압력 센서(13)를 포함하는 개방형 유압 회로의 이동식 크레인 하강 브레이크 시스템용 전자식 유압 누출 보상 장치에 관련된다. 또한 본 발명은 리프팅 유니트(6, 7)와 연결되는 유압 모터(5), 하강 브레이크밸브(4) 및 기계식 브레이크(9)를 포함하며, 기계식 브레이크(9)가 폐쇄되기 전, 특히 폐쇄되기 바로 직전에 유압 모터(5)의 부하측의 실제 우세 압력을 측정하는 단계, 부하 상태에 따라 이전에 측정된 값과 비교하여 실제압력을 기준압력으로 결정하는 단계 및 기계식 브레이크(9)가 개방되기 전에 오일공간(12) 내에 기준압력을 형성시키는 단계로 구성되는 개방형 유압 회로의 이동식 크레인 하강 브레이크 시스템용 전자식 유압 누출 보상 방법과 관련된다. 유압 누출, 보상, 유압 회로, 크레인, 리프팅 유니트 | ||||||
| 167 | 재생부 및 브레이크 밸브를 포함하는 유압식 제어 장치 | KR1020087019471 | 2007-01-25 | KR101011944B1 | 2011-01-31 | 바이케르트,토마스 |
| 본 발명은, 컨슈머, 특히 유압 실린더(2)를 제어하기 위한 유압식 제어 장치에 관한 것으로서, 방향 밸브(34, 198)를 포함하고, 상기 방향 밸브의 밸브 슬라이드(38)가 압력 매체 소스(4), 탱크(16)와 상기 컨슈머의 2 개의 압력 챔버들(8, 12) 간의 압력 매체 연결을 제어하기 위해 조절 가능하고, 또한 축소형 압력 챔버(12)로부터의 압력 매체 체적 흐름의 배출 제어를 위한 브레이크 밸브(20)를 포함하고, 상기 브레이크 밸브의 제어 피스톤(22)은 스프링(24)의 힘에 의해 폐쇄 방향으로, 그리고 확장형 압력 챔버(8) 내의 압력에 의해 개방 방향으로 작동되고, 재생을 위해 브레이크 밸브(20)의 상류에서 배출하는 압력 매체 체적 흐름으로부터의 압력 매체가 확장형 압력 챔버(8) 방향으로 개방하는 체크 밸브(28)를 통해 재생 라인(30) 내에 분기될 수 있고 공급부 내 압력 매체 체적 흐름에 합류될 수 있고, 상기 체크 밸브(28)가 상기 밸브 슬라이드(38) 내로 통합되고, 개방 방향으로 상기 브레이크 밸브(20)에 작용하는 압력이 상기 체크 밸브(28)를 통해 전달되는 것을 특징으로 한다. 제어 피스톤, 체크 밸브, 브레이크 밸브, 블라인드 홀, 밸브 폐쇄 바디 | ||||||
| 168 | Load retaining valve with pressure limit function | KR20100051484 | 2010-05-31 | KR20100129240A | 2010-12-08 | BLASBERG FRIEDRICH |
| PURPOSE: A load supporting valve with a pressure control function using a locking piece of a check valve is provided to incorporate the valve block of a load support valve. CONSTITUTION: A load supporting valve comprises a valve block(1), a first bore pipe(2), a second bore pipe(3), a first check valve(7) and a second check valve(8). The first bore pipe is connected to a first working chamber(4) of a pressure medium cylinder(5). The second bore pipe is connected to a second working chamber(6) of the pressure medium cylinder. The first check valve is installed in the first bore pipe. | ||||||
| 169 | 유압 밸브 장치 | KR1020097023268 | 2008-05-12 | KR1020100016317A | 2010-02-12 | 안데르손보 |
| The invention relates to Hydraulic valve device comprising a first engine port (L) and a second engine port (N) to a double acting hydraulic motor (D), in particular a double acting hydraulic cylinder, a tank (T), and a pump (I), a hand valve (H), which is arranged such that it connects the engine ports (L, N) to the tank (T) and the pump (I), and which hand valve (H) has two open positions, wherein the pump (I) in the first open position via a line (F) is connected to the first engine port (L) and the tank (T) via a line (G) is connected to the second engine port (N), and wherein the pump (I) in the second open position via the line (G) is connected to the second engine port (N) and the tank (T) via the line (F) is connected to the first engine port (L), and a first nonreturn valve (IA, 8), which is arranged between the pump (I) and the second engine port (N) and opens towards the second engine port (N). Further, a piston (2), which by means of the load pressure in the first engine port (L) via a line (E) governs the first nonreturn valve (IA, 8), such that it is kept closed as long as the pump pressure does not exceed said load pres-sure, and a second nonreturn valve (3), which is arranged such that it, as long as the hand valve (H) is in its first open position, connects the first engine port (L) to the second engine port (N) and opens in direction towards the second engine port (N). | ||||||
| 170 | 재생부 및 브레이크 밸브를 포함하는 유압식 제어 장치 | KR1020087019471 | 2007-01-25 | KR1020080104122A | 2008-12-01 | 바이케르트,토마스 |
| A hydraulic control arrangement for activating a consumer, in particular a hydraulic cylinder, is disclosed, comprising a directional control valve (34), the valve spool (38) of which is adjustable for controlling the pressure medium connection between a pressure medium source, a tank and two pressure spaces of the consumer, and comprising a lowering brake valve (20) for controlling the discharge of the volumetric flow of pressure medium from a pressure space becoming smaller, the control piston (22) of which lowering brake valve (20) is acted upon in the closing direction by the force of a spring (24) and in the opening direction by the pressure in the pressure space becoming larger, wherein, for the regeneration, pressure medium can be branched off from the discharging volumetric flow of pressure medium upstream of the lowering brake valve via a non-return valve (28), opening in the direction of the pressure space becoming larger, in a regeneration line and can be accumulated to form the volumetric flow of pressure medium in the feed. According to the invention, the non-return valve is integrated in the valve spool, wherein the pressure acting on the lowering brake valve in the opening direction is indicated through the non-return valve. ® KIPO & WIPO 2009 | ||||||
| 171 | Control method and system for using a pair of independent hydraulic metering valves to reduce boom oscillations | US14915449 | 2014-08-29 | US10036407B2 | 2018-07-31 | Michael Berne Rannow; Meng Wang |
| A hydraulic system (600) and method for reducing boom dynamics of a boom (30), while providing counter-balance valve protection, includes a hydraulic cylinder (110), first and second counter-balance valves (300, 400), and first and second control valves (700, 800). A net load (90) is supported by a first chamber (116, 118) of the hydraulic cylinder, and a second chamber (118, 116) of the hydraulic cylinder may receive fluctuating hydraulic fluid flow from the second control valve to produce a vibratory response (950) that counters environmental vibrations (960) on the boom. The first control valve may apply a holding pressure and thereby hold the first counter-balance valve closed and the second counter-balance valve open. | ||||||
| 172 | Hydraulic steering arrangement for a thruster of a marine vessel | US14343948 | 2011-09-09 | US09969479B2 | 2018-05-15 | Jan Kees De Bruin; Rik Roemen; Bart Van Der Ven |
| A novel design of a hydraulic steering arrangement for a thruster of a marine vessel is specifically designed for thrusters intended to operate in an arctic environment where ice is present. To meet the arctic demands the steering arrangement is provided with a cross-over safety block arranged close to the hydraulic steering motor for absorbing the torque subjected to the thruster by ice for instance. | ||||||
| 173 | A LOAD SENSING HYDRAULIC SYSTEM FOR A WORKING MACHINE, AND A METHOD FOR CONTROLLING A LOAD SENSING HYDRAULIC SYSTEM | US15565154 | 2015-04-10 | US20180100525A1 | 2018-04-12 | Bo VIGHOLM |
| A hydraulic system for a working machine is a load sensing system and includes a hydraulic actuator for movement of an implement and a control valve having an inlet valve and an outlet valve for controlling the flow of hydraulic fluid from a pump to the hydraulic actuator and for draining hydraulic fluid from the hydraulic actuator, respectively. The hydraulic system also includes an arrangement for determining the load on the hydraulic actuator. The hydraulic system further includes a valve for disconnecting the flow of hydraulic fluid from the pump to the hydraulic actuator, while allowing another flow of hydraulic fluid to the hydraulic actuator, provided that the determined load on the hydraulic actuator exceeds a threshold value. | ||||||
| 174 | HYDRAULIC SUSPENSION FOR VEHICLE AND MULTI-FUNCTIONAL PROPORTIONAL CONTROL VALVE FOR THE SAME | US15603203 | 2017-05-23 | US20180100520A1 | 2018-04-12 | Markus BISSBORT; Joel MEKKES; Damiano ROBERTI; Tomasz SLAWINSKI |
| A hydraulic suspension system includes a suspension cylinder, a pump, and a control valve therebetween. The control valve includes a spool reciprocally movable between a pump flow position and a tank flow position in which a control port of the control valve is in communication with a pump and a tank, respectively. A piloted logic element in fluid communication with and interposed between the control valve and the suspension cylinder is selectively movable between a through-flow position in which fluid can flow in either direction between a chamber of the suspension cylinder and the control port of the control valve and a blocked position in which fluid is prevented from flowing in or out of the chamber of the suspension cylinder. The logic element is biased to the blocking position, moving to the through-flow position when subjected to a crack pressure delivered from the control port of the control valve. | ||||||
| 175 | Method for controlling a combined rotary/push movement | US14830837 | 2015-08-20 | US09919907B2 | 2018-03-20 | Bernhard Hagl |
| The invention relates to a method and device for controlling a combined rotary/push movement of a load-receiving means of an industrial truck, in particular a three-way stacker, both the rotary movement and the push movement being brought about by means of respective hydraulic elements (32, 34), which are supplied with hydraulic fluid by a single hydraulic pump (22) which is driven by an associated pump motor (24), and a performance characteristic of the hydraulic pump (22) being controlled according to a predetermined progression over time during the rotary/push movement; the industrial truck comprising a valve assembly (30) which is designed to be operated such that, below a threshold value for the hydraulic pressure provided by the hydraulic pump (22), only the rotary movement of the load-receiving means is brought about, while, above the threshold value, both the rotary movement and the push movement are brought about. Here, sensor means (36a, 36b) are provided which detect a temperature of the pump motor (24) and/or of the hydraulic pump (22), and the predetermined progression over time of the performance characteristic of the hydraulic pump (22) during the rotary/push movement is adapted according to a predetermined relationship depending on the temperature of the pump motor (24) and/or of the pump (22) detected by the sensor means (36a, 36b). | ||||||
| 176 | CONTROL VALVE FOR CONSTRUCTION EQUIPMENT | US15535052 | 2014-12-29 | US20170342686A1 | 2017-11-30 | Man-Seuk JEON; Bon-Seuk KU |
| A control valve is provided for construction equipment having a holding valve which prevents the natural lowering of an operation apparatus due to the dead weight of the operation apparatus when an actuator is in a neutral position. A control valve for construction equipment according to the present invention includes: a valve body in which a supply path in communication with a pump path, through which a hydraulic fluid is supplied from a hydraulic pump, and actuator ports connected to an actuator are formed; a spool which is embedded in the valve body so as to be switchable; a holding valve having a holding poppet which is formed at the actuator port of any one of the actuator ports, and an auxiliary spool which is connected to a back pressure chamber of the holding poppet and releases the held load of the actuator at the time of switching; a control valve provided in the valve body; a pilot pressure control valve, embedded in the holding valve so as to be switchable, which applies or blocks a pilot pressure applied to switch the auxiliary spool on or off through a path when the pilot pressure control valve is switched on or off by means of the pressure of the hydraulic fluid which is drained from the back pressure chamber of the holding poppet at the time of switching the auxiliary spool on or off. | ||||||
| 177 | Valve device and use of such a valve device | US14442496 | 2013-11-13 | US09752700B2 | 2017-09-05 | Peter Vincon |
| A valve device, comprising a valve tappet (18), which causes a controlled opening or blocking of a fluid flow channel (16) in an engagement position on a valve seat (22) and which can be brought from a starting position to the engagement position as a reaction to an application of pressure by means of a pressure fluid, wherein the pressure fluid is conveyed by electromagnetically driven pumping element (24) into a pressure chamber (44) associated with the valve tappet in such a way that the application of pressure for driving the valve tappet is accomplished by a plurality of pumping strokes of the pumping element, which has a conveying piston (26), in particular a reciprocating piston. | ||||||
| 178 | Electrohydraulic control circuit | US14783556 | 2014-04-09 | US09719530B2 | 2017-08-01 | Marcus Specks; Marcus Pfeiffer; Stephan Grün; Reiner Vierkotten; Joseph Schnittker; Andreas Lehmann; Wolfgang Tebeek; Wolfgang Kemmetmüller; Johannes Henikl; Andreas Kugi |
| An electrohydraulic control circuit for driving a hydraulically actuated actuating element (5, 6), by means of which a segment (5.3) of a manipulator, in particular of a large manipulator for truck-mounted concrete pumps, can be adjusted in terms of its orientation, wherein there are provided an electrically driven first valve (2.4), which is connected to hydraulic working lines of the actuating element (5.6) for the drive thereof, and leak-free check valves (2.5, 2.6) provided in the working lines of the actuating element (5.6), which valves are arranged on the actuating element (5.6) or on the segment (5.3) associated with this actuating element (5.6) and can be released for the normal operation of the actuating element (5.6), wherein the release of the check valves (2.5, 2.6) is driven by an electronic control unit (ECU) separate from the first valve (2.4) and the check valves (2.5, 2.6). | ||||||
| 179 | CONTROL DEVICE FOR ZERO-LEAK DIRECTIONAL CONTROL VALVES | US15326299 | 2015-07-15 | US20170204883A1 | 2017-07-20 | Davide MESTURINI; Massimiliano MUSIANI |
| Hydraulic system, distributor and bidirectional valve to activate the hydraulic actuators (3; 3a, 3b) of an operating machine; the hydraulic system (1) having: a first high-pressure oil delivery (4); an oil drain (8); a slide valve with a spool, which is axially sliding and is suited to control a hydraulic actuator (3); a second low-pressure oil delivery (6); an activation valve (15); and a bidirectional valve (21) with a first passage opening (22) that can be hydraulically connected, by the slide valve (9) to the first delivery (4) and a second passage opening (23) hydraulically connected to the actuator (3); wherein, the bidirectional valve has an inlet opening (24) that can be connected, by the activation valve (15) to the second delivery (6) and an outlet opening (25) that can be connected, by the spool (12) to the drain (8). | ||||||
| 180 | Hydraulic suspension for vehicle and multi-functional proportional control valve for the same | US14205066 | 2014-03-11 | US09657749B2 | 2017-05-23 | Markus Bissbort; Joel Mekkes; Damiano Roberti; Tomasz Slawinski |
| A hydraulic suspension system includes a suspension cylinder, a pump, and a control valve therebetween. The control valve includes a spool reciprocally movable between a pump flow position and a tank flow position in which a control port of the control valve is in communication with a pump and a tank, respectively. A piloted logic element in fluid communication with and interposed between the control valve and the suspension cylinder is selectively movable between a through-flow position in which fluid can flow in either direction between a chamber of the suspension cylinder and the control port of the control valve and a blocked position in which fluid is prevented from flowing in or out of the chamber of the suspension cylinder. The logic element is biased to the blocking position, moving to the through-flow position when subjected to a crack pressure delivered from the control port of the control valve. | ||||||
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