序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 스크랩 커터용 유압 시스템에서의 유압 제어 장치 KR1020047019028 2003-03-27 KR100696976B1 2007-03-20 클로더안드레아스; 포스트칼-하인츠
충격 감쇠 기능, 하중 보상과 연계된 급속 동작 절환 기능, 하나의 유압 실린더의 유압 매체를 다른 실린더의 이동을 위해 이송하는 기능을 충족시키는, 임의의 부류의 재료를 가공하는 프레스와 같은 공작 기계, 특히 스크랩 커터를 작동시키기 위한 유압 시스템에서의 유압 제어 장치에 있어서, 특히 제1 주 밸브 요소(2.4.0)의 파일럿 제어용 유압 수단이 마련되고, 제2 주 밸브 요소(2.7.0)와 제3 주 밸브 요소(3.7.0)가 기능적으로 조합되며, 제4 밸브(2.5)가 배치된다.
142 시간지연밸브 KR1020127028873 2011-06-07 KR101854930B1 2018-05-04 아리사토아키라
압축공기가공급되는제1 포트(P)와외부에접속되는제2 포트(A) 사이의흐름을개폐하는개폐밸브(7)와, 소정시간후에상기개폐밸브(7)를개방조작하는지연기구(8)를설치한다. 그지연기구(8)는제1 포트(P)에연통된스로틀밸브(22)와, 상기개폐밸브(7)에연결된피스톤(36)과, 그피스톤(36)의수압면(37)에연통된가압실(40)과, 상기스로틀밸브(22)의스로틀통로(28)와상기가압실(40)을연통하는연통로(42)를구비한다. 제1 포트(P)로부터스로틀통로(28)와상기연통로(42)를거쳐상기가압실(40)에공급된압축공기가설정압력에도달하였을때에, 상기피스톤(36)에작용하는밸브개방력이상기개폐밸브(7)에작용하는밸브폐쇄력을극복하여그 개폐밸브(7)를개방한다. 이에의해, 제1 포트(P)의압축공기가제2 포트(A)를통하여외부에공급된다.
143 기계를 작동시키기 위한 유압 구동 장치 KR1020067016882 2005-06-24 KR100757170B1 2007-09-07 후시미가즈노리
작동 기계를 위한 유압 구동 장치에서, 조작 장치의 출력값이 제1 소정 범위에 있을 때, 펌프는 정지하고, 개폐 밸브 및 유압 제어 밸브의 각각은 폐쇄된다. 출력값이 제1 소정 범위를 벗어날 때, 펌프는 시동되고 개폐 밸브는 개방된다. 출력값이 제1 소정 범위보다 큰 제2 범위를 벗어날 때, 유압 제어 밸브가 개방되어 유압액을 액추에이터로 공급한다. 유압 구동 장치, 조작 장치, 출력값, 개폐 밸브, 유압 제어 밸브, 액추에이터
144 골목길 소방차 KR2020040015201 2004-06-01 KR200365785Y1 2004-10-27 박영환; 심국상
본 고안은 골목길과 같이 폭이 좁은 도로용 소방차량에(이하 골목길 소방차)에 관한 것으로서 화재 발생시 골목길과 같이 폭이 좁은 도로에 일반적인 소방차량이 진입할 수 없을 경우, 화재의 확산 및 소화가 불가능하다. 따라서 이와 같은 폭이 좁은 도로에 골목길 소방차를 진입하게 함으로써 화재의 초기 진압 및 소화가 가능하며, 전기 및 유압 장치를 사용할 수 있도록 하여 인적 및 물적 재산의 피해를 최소화 할 수 있도록 한 장치임. 본 고안은 종래의 소방차량의 폭이 주차 등에 의해 폭이 좁아진 골목길과 같은 협소한 도로에 진입이 불가능하거나 많은 시간이 소요됨에 따라 화재의 초기 진압이 불가능하여 화재의 확산을 막을 수가 없으며, 인적 및 물적 재산의 피해를 막을 수 없다. 따라서 이와 같은 협소한 도로에서도 진입이 가능하며, 화재의 초기 진압 및 소화가 가능하며, 인명 구조에 필요한 전기 및 유압 장치를 사용할 수 있도록 제반 장치를 설치하여 화재에 의한 인적 및 물적 재산의 피해를 최소화 할 수 있도록 한 장치임.
145 압축공기 공구용 지연 차단 커넥터 KR1020020044660 2002-07-29 KR1020030019856A 2003-03-07 고시스,어네톨리; 벨란,지.마이클; 몬즈,아론브이.
PURPOSE: A delay-interruption connector for a pneumatic tool is provided to secure a new improved safety apparatus or a safe mechanism to be operatively combined with a fastener-drilling tool operating by compressed air, to effectively prevent undesired operation of the tool. CONSTITUTION: A fluidic connector(10), providing a fluidic connection between an air supply portion and a pneumatically-operated tool, comprises a housing(12); a first connection unit integrally formed upon the housing for connection to the air supply portion; a second connection unit integrally formed upon the housing for connection to a pneumatically-operated tool; a fluid circuit defined within the housing for providing a fluid flow path between the first connection unit and the second connection unit so as to conduct air from the air supply portion to the pneumatically-operated tool; and a valve assembly(34). The valve assembly is disposed within the housing and operatively associated with the fluid circuit defined within the housing, to permit air to flow from the air supply portion to the pneumatically-operated tool when the valve assembly is disposed at a first position as a result of the pneumatically-operated tool being operated within a predetermined period of time such that the pneumatically-operated tool is operationally enabled, and to terminate the air flow from the air supply portion to the pneumatically-operated tool when the valve assembly is automatically moved to a second position as a result of the pneumatically-operated tool not having been operated within the predetermined period of time so as to render the pneumatically-operated tool operationally disabled.
146 Hydraulic soft start system US14601940 2015-01-21 US09360025B2 2016-06-07 Edmund Joseph Zaleski; Paul D. Ellsworth
A hydraulic soft-start system includes a flow control valve which is in fluid communication with a pressure source and an inlet of a motor. The system includes a first flow restricting orifice and a second flow restricting orifice disposed between a pilot for actuating the flow control valve and the inlet of the motor. A first flow is passed from the pressure source via the first orifice to an inlet of the motor, placing the motor in a partially-actuated state. The flow control valve is actuated after a threshold pressure of the pilot is reached allowing a second flow to pass from the pressure source to the motor inlet. The second flow is higher than the first flow, thereby placing the motor in a fully-actuated state.
147 METHOD FOR CONTROLLING PRESSURE IN A HYDRAULIC ACTUATOR US14786330 2014-04-22 US20160091004A1 2016-03-31 Ralf Gomm; Dale Vanderlaan
In conventional load-sense systems, there is a delay between a hydraulic function being impeded by an external force and further motion of the function. This is typically due to cavitation on the low pressure side of the pump. Electro-hydraulic systems, however, typically respond very quickly because the low pressure side of the pump may be pressurized because the low-pressure side of the actuator may feed directly to the pump rather than going to tank. Thus, an operator cannot as easily rely on feedback for when a function has encountered an external load. This may result in loss of vehicle traction or other drawbacks. Therefore, provided is a system and method for mimicking a load-sense system's responsiveness using an electro-hydrostatic system via an induced passive or active time-delay.
148 Hydraulic soft start system US14058825 2013-10-21 US09239065B2 2016-01-19 Edmund Joseph Zaleski; Paul D. Ellsworth
A hydraulic soft-start system includes a first flow restricting orifice and a flow control valve both being in fluid communication with a pressure source and an inlet of a motor. Also provided is a second flow restricting orifice disposed between a pilot for actuating the flow control valve and the inlet of the motor. A first flow is passed from the pressure source via the first orifice to an inlet of the motor, placing the motor in a partially-actuated state. The flow control valve is actuated after a threshold pressure of the pilot is reached allowing a second flow to pass from the pressure source to the motor inlet. The second flow is higher than the first flow, thereby placing the motor in a fully-actuated state.
149 HYDRAULIC SOFT START SYSTEM US12841705 2010-07-22 US20120017577A1 2012-01-26 Edmund Joseph Zaleski; Paul D. Ellsworth
A hydraulic soft-start system includes a first flow valve in fluid communication with a pressure source and an inlet of a motor. A first restricting orifice is disposed between the first valve and the inlet. A second flow valve is in fluid communication with the first valve and the inlet. A pilot for actuating the second valve is in fluid communication with the inlet. A second restricting orifice is disposed between the pilot and the inlet. Upon actuation of the first valve, a first flow is passed from the pressure source via the first orifice to the inlet, placing the motor in a partially-actuated state. The second valve being actuated after a threshold pressure of the pilot is reached allowing a second flow to pass from the pressure source to the inlet. The second flow being higher than the first flow, thereby placing the motor in a fully-actuated state.
150 Hydraulic control in a hydraulic system, especially for the operation of scrap cutters US10515255 2003-03-27 US07228781B2 2007-06-12 Andreas Klother; Karl-Heinz Post
The invention relates to hydraulic control in a hydraulic system for the operation of a machine tool such as a press for processing material of a certain type, especially for the operation of the scrap cutters. Said control allows for impact attenuation and combined rapid motion switching with load compensation and transfer of a hydraulic medium of a hydraulic cylinder for the movement of the other. According to the invention, said control comprises hydraulic media of a hydraulic cylinder for pre-control of a first main valve element (2.4.0), a second main valve element (2.7.0) and a third main valve element (3.7.0) which are functionally combined and a fourth valve (2.5).
151 Hydraulic control in a hydraulic system, especially for the operation of scrap cutters US10515255 2003-03-27 US20060054015A1 2006-03-16 Andreas Klother; Karl-Heinz Post
The invention relates to hydraulic control in a hydraulic system for the operation of a machine tool such as a press for processing material of a certain type, especially for the operation of the scrap cutters. Said control allows for impact attenuation and combined rapid motion switching with load compensation and transfer of a hydraulic medium of a hydraulic cylinder for the movement of the other. According to the invention, said control comprises hydraulic media of a hydraulic cylinder for pre-control of a first main valve element (2.4.0), a second main valve element (2.7.0) and a third main valve element (3.7.0) which are functionally combined and a fourth valve (2.5).
152 Traversing circular saw US10840148 2004-05-05 US20050132860A1 2005-06-23 Doug Mains
A traversing circular saw device having a saw blade assembly mounted onto a cradle which can receive a number of logs to be cut into sections. The saw blade assembly includes a circular saw blade mounted onto an extension arm which is contained within an arm sleeve. The width of the cradle is greater than the diameter of the saw blade. The saw blade is extended across the cradle by a piston. One embodiment of the invention includes a charge accumulator for the hydraulic system which can time-delay engagement of the extension means. The system can also include a flow control valve for varying the time delay of the charge accumulator.
153 Air cushion cylinder apparatus with a lock US10421704 2003-04-24 US06880446B2 2005-04-19 Takafumi Akita
A lock mechanism of a cylinder includes a lock member for locking or unlocking a piston rod by actions of air pressure and a spring force, a third pressure chamber for causing air pressure to act on the lock member, and a third port. In a pneumatic circuit, a check valve and a throttle valve are connected in parallel in each of first and second pipes connecting first and second ports of the cylinder and a solenoid valve and a check valve and a throttle valve are connected in parallel in a third pipe connecting the third port and the first pipe or the second pipe.
154 Self-contained hydraulic ESD system US10895362 2004-07-21 US20050072473A1 2005-04-07 James Ellett
A hydraulic control circuit, comprising a control line connected to a device to be controlled by fluid pressure in the control line; a time-out valve on the control line, the time-out valve having a time-out period during which time-out period operation of the time-out valve is delayed after actuation of the time-out valve; a pump connected to the control line for pressurizing the control line with fluid; and an arming valve operated by pressure on an arming line connected to the control line and the arming valve being connected to the time-out valve to reduce the time-out period in response to pressure on the control line.
155 Control device and method for emergency opening of an aircraft evacuation door US10728050 2003-12-03 US06786454B2 2004-09-07 Jérôme Baderspach; Albert Modern; Sébastien Rondot
The present invention concerns an emergency opening control device for an aircraft door comprising: at least one triggering mechanism (10) for emergency opening, at least one door actuator (8), and means of power supply (14, 16) to the actuator driven by the triggering mechanism. The device also comprises means (20) for modification of the output delivered by the means of power supply to the actuator, to allow the door to be opened more slowly in an initial phase of opening and more rapidly in at least one subsequent opening phase.
156 Air cushion cylinder apparatus with a lock US10421704 2003-04-24 US20030213360A1 2003-11-20 Takafumi Akita
A lock mechanism of a cylinder includes a lock member for locking or unlocking a piston rod by actions of air pressure and a spring force, a third pressure chamber for causing air pressure to act on the lock member, and a third port. In a pneumatic circuit, a check valve and a throttle valve are connected in parallel in each of first and second pipes connecting first and second ports of the cylinder and a solenoid valve and a check valve and a throttle valve are connected in parallel in a third pipe connecting the third port and the first pipe or the second pipe.
157 Delay-interruption connector for pneumatic tool US09943656 2001-08-31 US06523621B1 2003-02-25 Anatoly Gosis; G. Michael Velan; Aaron V. Monje
A fluidic connector comprises an independent adjunct to a pneumatic tool and is adapted to be fluidically interposed between an air supply hose and a fitting of the pneumatic tool. The connector comprises a piston-type valve member. Exhaust generated from each fastener firing operation or cycle maintains the piston-type valve member at a first position so as to permit the incoming air supply to reach the tool, however, if the tool is not fired within a predetermined period of time, the piston-type valve member is automatically moved to a second position which prevents the air supply from reaching the tool thereby disabling the same.
158 Hydraulic double valve US10139599 2002-05-06 US20030005963A1 2003-01-09 Richard E. Schnell; Hubert Schaber
A control valve system in which main valves are actuated and deactuated by operation of pilot valves. Actuation of pilot valves causes actuation of the main valves, which enables fluid pressure to be output from the control valve system. The main valves must shift within a predetermined time period in order to prevent an error condition. A timing chamber stores a predetermined amount of fluid to define a time period in which the main valves must shift.
159 Slow start control for a hydraulic hammer US09678205 2000-10-03 US06491114B1 2002-12-10 Roger A. Webel
A control system for a heavy duty hydraulic hammer reduces blank firing of the hammer. The control system provides a reduced flow of hydraulic fluid to the hammer for a selected period of time upon actuation of the hammer and then provides full hydraulic flow increasing the frequency of impacts to full rated values.
160 Fluid operated timer for a plurality of reservoirs US988423 1997-12-10 US6070610A 2000-06-06 Anthony McKenzie Owler
A fluid operated timer includes an input for the fluid, a reservoir receiving fluid from the input, an actuator responsive to the fluid pressure in the reservoir reaching a threshold value, wherein the reservoir includes a plurality of separate reservoirs. The timer further includes an element for selectively controlling operative connection of at least one of the plurality of separate reservoirs to the input so that the volume of the reservoir presented to the input fluid can be selectively varied.
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