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1. 发明申请

WO2021045663A1 HYDRAULIC CYLINDER WITH FORCE SHIFTING MECHANISM 审中-公开
公开(公告)号：WO2021045663A1
公开(公告)日：2021-03-11
申请号：PCT/SE2020/000022
申请日：2020-09-02
申请人： THORDAB INDUSTRI INNOVATION AB
发明人： GUSTAVSSON, Roger
IPC分类号： F15B11/036 , F15B15/14 , E02F9/22
摘要： Hydraulic cylinder (1) comprising at least one cylinder housing (2), with a cylindrical inner space, and in this at least one movably arranged first piston (3) which divides the hydraulic cylinder into at least one first chamber (9) and at least one second chamber (10). The first piston (3) comprises a piston head (7) and a piston rod (8) which piston rod (8) in its axial direction is provided with at least one inner space (15) in which at least one second piston (16) runs and that the hydraulic cylinder (1) comprises at least one third piston (28) which is movably arranged in the inner space (15) of the piston rod (8) which divides the inner space (15) into at least one first inner chamber (29) and at least one second inner chamber (30) and that the hydraulic cylinder comprises at least one inner second space (34) in which the end of the second piston (16) is intended to be inserted and discharged. The hydraulic cylinder (1) further comprises a shifting function for the counterforce so that the counterforce shifts between at least one higher counterforce to a lower counterforce or lower counterforce to a higher counterforce.

2. 发明申请

WO2020071977A1 SYSTEM FOR CONDITION MONITORING OF PRESSURIZED SYSTEM 审中-公开
公开(公告)号：WO2020071977A1
公开(公告)日：2020-04-09
申请号：PCT/SE2019/000015
申请日：2019-10-03
申请人： THORDAB INDUSTRI INNOVATION AB
发明人： GUSTAVSSON, Roger
IPC分类号： F15B21/041 , F15B1/26
摘要： A system (1) for condition monitoring of at least one component of a pressurized fluid system, said pressurized fluid system comprising at least one first tank (3) and at least one first pressurizing device for pressurized fluid (4) such as a first pump and at least one hydraulic component connected directly or indirectly to the tank (3) via at least one leakage line (8). System (1) is intended to be used to monitor the condition of at least one hydraulic component of the pressurized fluid system and to remove at least one contaminant or the like from the pressurized fluid (4) and that the functions of the system (1) are controlled by at least one control system. Condition monitoring is done by the system (1) comprising at least one second tank (6) into which at least one leakage line (8) opens. The system comprises at least one first sensor (15) for sensing at least one first liquid level in the second tank (6) and for the leakage per time unit to be calculated by the control system. The system (1) comprises at least one pump (10) for pressurizing fluid which is passed through at least one filter (13) from the first tank (3) to the second tank (6).

3. 发明申请

WO2017204697A1 AIR DRYING DEVICE 审中-公开
标题翻译：空气干燥装置
公开(公告)号：WO2017204697A1
公开(公告)日：2017-11-30
申请号：PCT/SE2016/000052
申请日：2016-10-05
申请人： THORDAB INDUSTRI INNOVATION AB
发明人： GUSTAVSSON, Roger
IPC分类号： F15B21/04 , B01D53/26 , F15B1/26
摘要： Air-drying device (1) for drying air, gas, gases or similar in reservoirs in hydraulic systems in which a variable volume of liquid and air, gas or the like is stored. The treatment of air, gas or gases takes place in at least one first step with at least one refrigerant air dryer (2) in which drying occurs via the cooling effect from at least one cooling element (16). The treatment of air, gas or gases in alternative embodiments preferably also takes place in at least one second step in which separation of at least one substance occurs.
摘要翻译：风干装置（1），用于干燥容纳可变体积的液体和空气，气体等的液压系统中的储存器中的空气，气体，气体或类似物。空气，气体或气体的处理在至少一个第一步骤中用至少一个制冷剂空气干燥器（2）进行，其中通过来自至少一个冷却元件（16）的冷却效应进行干燥。在替代实施方案中，空气，气体或气体的处理优选还发生在至少一个第二步骤中，其中发生至少一种物质的分离。

4. 发明申请

WO2015190972A1 HYDRAULIC CYLINDER 审中-公开
标题翻译：液压缸
公开(公告)号：WO2015190972A1
公开(公告)日：2015-12-17
申请号：PCT/SE2015/000035
申请日：2015-06-08
申请人： THORDAB INDUSTRI INNOVATION AB
发明人： GUSTAVSSON, Roger
IPC分类号： F15B11/036 , F15B15/14 , E02F9/22
CPC分类号： E02F9/2217 , F15B1/04 , F15B15/1409 , F15B15/1457 , F15B15/227
摘要： Hydraulic cylinder (1) comprised of a cylinder housing (2), with a cylindrical inner space, and in that at least one movably arranged first piston (3) which partitions the hydraulic cylinder into at least one first chamber (9) and at least one second chamber (10). The first piston (3) is comprised of at least one piston head (7) and at least one piston rod (8) whose piston rod (8) in the piston rod's (8) axial direction, is provided with at least one inner space (15) in which at least one second piston (16) runs, and that the hydraulic cylinder (1) is comprised of at least one third piston (28) placed in the inner space (15) in the piston rod (8). The piston partitions the inner space (15) in at least one first chamber (29) and in at least one second chamber (30) of which at least one of the chambers is filled with a gas alternatively gases. The hydraulic cylinder is comprised of an inner space (34) in which the second piston's (16) end is suitable to be inserted into and moved out of. The piston (16) seals in the inserted position against at least one seal (36) whereby the inner space (34) is separated from the chamber (9) by the seal (36). The piston (16) is positioned in the inserted position until it is released through a flow via at least one conduit (37) that connects the chamber (9) and the inner space (34). The conduit (37) may be closed and opened via at least one valve (38).
摘要翻译：液压缸（1）包括具有圆柱形内部空间的气缸壳体（2），以及至少一个可移动布置的第一活塞（3），其将液压缸分隔成至少一个第一室（9）并且至少一个第二室（10）。第一活塞（3）由至少一个活塞头（7）和至少一个其活塞杆（8）在活塞杆（8）轴向方向上的活塞杆（8）的活塞杆（8）组成，其中至少一个内部空间（15），其中至少一个第二活塞（16）运行，并且所述液压缸（1）包括放置在所述活塞杆（8）中的所述内部空间（15）中的至少一个第三活塞（28）。活塞在至少一个第一室（29）中和在至少一个第二室（30）中分隔内部空间（15），其中至少一个室用气体替代气体填充。液压缸包括内部空间（34），第二活塞（16）端部适于插入并移出第二活塞的端部。活塞（16）相对于至少一个密封件（36）密封在插入位置，由此内部空间（34）通过密封件（36）与腔室（9）分离。活塞（16）定位在插入位置，直到其经由连接腔室（9）和内部空间（34）的至少一个导管（37）通过流体释放。导管（37）可以通过至少一个阀（38）关闭和打开。

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