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1. 发明公开

US20240318669A1 Hydraulic Accumulator 审中-公开
公开(公告)号：US20240318669A1
公开(公告)日：2024-09-26
申请号：US18259720
申请日：2022-01-04
申请人： Hydac Technology GmbH
发明人： Peter Kloft , Torsten Kusserow
IPC分类号： F15B1/14 , B23K26/24
CPC分类号： F15B1/14 , B23K26/24 , F15B2201/205 , F15B2201/3151
摘要： The disclosure relates to an hydraulic accumulator, in particular a diaphragm accumulator, having an accumulator housing and a separating element disposed therein, which separates two media spaces from each other, wherein a weld seam is formed by a laser or electron beam welding process without any filler materials, in that at least a part of the wall parts delimiting the transition point are melted to form the weld seam, which closes off the transition point towards the surroundings, in a manner that is free of protrusions with respect to an outer circumferential surface of a connection element.

2. 发明公开

US20240271639A1 Separator and Hydraulic Accumulator Having Such a Separator 审中-公开
公开(公告)号：US20240271639A1
公开(公告)日：2024-08-15
申请号：US18566793
申请日：2022-05-24
申请人： Hydac Technology GmbH
发明人： Peter Kloft , Torsten Kusserow
IPC分类号： F15B1/10 , B33Y80/00
CPC分类号： F15B1/103 , B33Y80/00 , F15B2201/3153 , F15B2201/61
摘要： Separator and hydraulic accumulator having such a separator. A separator, in particular for a hydraulic accumulator, such as a bellows accumulator, which is produced by a 3D printing process, consisting of one single diaphragm, which, when viewed in cross section, is deflected in an arcuate shape to form a multitude of bellows pleats at deflection points, which delimit the bellows pleats on the outside and the inside, and in that, to obtain an isotensoid or essentially isotensoid stress profile in the diaphragm, the notional extensions of the diaphragm surfaces adjacent to each deflection point form an acute angle with each other, at least in an initial state.

3. 发明公开

US20240110580A1 Hydraulic Accumulator 审中-公开
公开(公告)号：US20240110580A1
公开(公告)日：2024-04-04
申请号：US18555303
申请日：2022-03-23
申请人： Hydac Technology GmbH
发明人： Peter Kloft
IPC分类号： F15B1/24 , F15B1/12 , F15B1/16
CPC分类号： F15B1/24 , F15B1/12 , F15B1/16
摘要： 2. A hydraulic accumulator, in particular a piston accumulator, comprising a separation element (16) which is movably arranged in an accumulator housing (10) and which separates two media chambers (24, 26) from each other, and comprising a distance measuring device for monitoring the position of the separation element (16), is characterized in that the distance measuring device is in the form of a radar device (32) that includes a transmitter (42) emitting a primary signal which upon at least partial reflection off the separation element (16), generates a secondary signal which, upon reception by a receiver (46), allows a position of the separation element (16) in the accumulator housing (10) to be determined.

4. 发明授权

US11598351B2 Hydraulic accumulator 有权
公开(公告)号：US11598351B2
公开(公告)日：2023-03-07
申请号：US17256338
申请日：2019-06-14
申请人： HYDAC TECHNOLOGY GMBH
发明人： Frank Bauer , Peter Kloft
IPC分类号： F15B1/24 , G02B7/00
摘要： A hydraulic accumulator, in particular in the form of a piston accumulator, has an accumulator housing (10) and a separating element (20) arranged in the housing. The separating element is in the form of a piston, which separates a fluid side (22) from a gas side (24). At least the gas side (24) can be inspected, at least in part, by at least one sight glass (34, 36) that is fixed in the accumulator housing (10).

5. 发明授权

US11434932B2 Bellows accumulator 有权
公开(公告)号：US11434932B2
公开(公告)日：2022-09-06
申请号：US17275745
申请日：2019-09-09
申请人： HYDAC TECHNOLOGY GMBH
发明人： Herbert Baltes , Peter Kloft
IPC分类号： F15B1/10
摘要： A bellows accumulator has at least one accumulator housing (2) and a separating bellows (20) movably arranged in the accumulator housing (2). The separating bellows 20 has a plurality of bellows folds and separates two media spaces (8, 22) from one another. The stationary open end of the separating bellows (20) is fixed to the accumulator housing (2) by a securing device (24). The separating bellows (20) has, at its movable other end, a closure part (36) having a guide device (40) by which the closure part (36) is guided in the accumulator housing (2). The closure part (36) has, in addition to the guide device (40), a sealing device (50). At least in the one extended end position of the separating bellows (20), the sealing device (50) separates a fluid space (8), in which the bellows folds are arranged in the accumulator housing (2), from a fluid port (12) in the accumulator housing (2). At least in some of the other working positions, the sealing device (50) releases this fluid connection.

6. 发明授权

US11168706B2 Equalization device, in particular in the form of a tank 有权
公开(公告)号：US11168706B2
公开(公告)日：2021-11-09
申请号：US16487490
申请日：2018-06-29
申请人： HYDAC TECHNOLOGY GMBH
发明人： Peter Kloft , Herbert Baltes , Joerg Meyer
IPC分类号： F16L55/04 , F15B1/16 , F15B1/08 , F17C1/00 , F24D3/10
摘要： An equalization device is, in particular, in the form of a tank. The housing (2) of the tank has at least one inlet (8) and one outlet (10) for receiving and discharging fluid, respectively, at least in one of the housing walls (4) of the housing, which housing can be filled with the fluid. At least one equalization body (14) is arranged within the housing (2). The equalization body is at least partly provided with an elastically compliant separating wall (20). The interior of the equalization body is delimited, and is at least partly in pressure-equalizing connection (32) with the surroundings at a passage (12, 32) through one of the housing walls (4).

7. 发明申请

US20210262292A1 CUTTING ROLLER 有权
公开(公告)号：US20210262292A1
公开(公告)日：2021-08-26
申请号：US17261320
申请日：2019-06-25
申请人： HYDAC TECHNOLOGY GMBH
发明人： Peter KLOFT , Jörg MEYER
IPC分类号： E21B10/12 , E21B10/25 , E21D9/10
摘要： 1. Cutting roller.
2. A cutting roller having an axle (2), on which a cutting ring (4) is rotatably guided by means of a bearing device (10, 12), which is sealed against the environment by means of a sealing device (28, 30), is characterized in that by a compensating device (40) any differential pressure between the bearing device (10, 12) and the environment is compensable.

8. 发明授权

US11092288B2 Method for producing pressure vessels 有权
公开(公告)号：US11092288B2
公开(公告)日：2021-08-17
申请号：US16065842
申请日：2016-12-29
申请人： HYDAC TECHNOLOGY GMBH
发明人： Peter Kloft , Herbert Baltes
IPC分类号： F17C1/16 , B22F5/10 , F17C1/00 , F15B1/10 , B33Y80/00 , F17C1/14 , B22F10/20 , B33Y10/00 , B23K15/00 , B22F10/30
摘要： A method for producing pressure vessels, including pressure accumulators, such as hydraulic accumulators and parts of the parts of the accumulator (24). The parts produced by a 3D printing method can include one or more or all of two housing parts and a separating element separating the interior chamber of the two hosing parts are at least partially produced by a 3D printing method.

9. 发明申请

US20210207753A1 DAMPING DEVICE 有权
公开(公告)号：US20210207753A1
公开(公告)日：2021-07-08
申请号：US17053136
申请日：2019-04-12
申请人： HYDAC TECHNOLOGY GMBH
发明人： Herbert BALTES , Peter KLOFT
IPC分类号： F16L55/027 , F04B11/00
摘要： A damping device, in particular for damping or preventing pressure surges, such as pulsations, in hydraulic supply circuits, preferably in the form of a silencer, having a damping housing (2) encompassing a damping chamber (10), wherein said damping housing (2) has at least one fluid inlet (6) and at least one fluid outlet (8) as well as a fluid receiving chamber extending between the fluid inlet (6) and the fluid outlet (8), wherein during operation of the device a fluid flow coming from the fluid inlet (6) passes through the damping chamber (10) towards the fluid outlet (8) and wherein a wall part of the fluid receiving chamber extends as a guide element (16) in at least one direction of extension transverse to the direction of the fluid flow, is characterized in that in the damping chamber (10) several guide elements (16) are provided, against which the fluid can flow and which alter the flow velocity in certain areas.

10. 发明授权

US10962079B2 Hydropneumatic piston-cylinder assembly 有权
公开(公告)号：US10962079B2
公开(公告)日：2021-03-30
申请号：US16462999
申请日：2017-11-22
申请人： HYDAC TECHNOLOGY GMBH
发明人： Norbert Weber
IPC分类号： F16F9/48 , F16F9/32 , B60G15/12 , F16F9/06
摘要： A hydropneumatic piston-cylinder assembly, in particular for use as a suspension strut in vehicle suspension systems, includes a cylinder housing (4) and a piston (14) guided for axial movement in the cylinder chamber (12) of the cylinder housing. The cylinder chamber is filled with a hydraulic fluid. The piston has a piston rod (24) on one piston side (20). The piston rod extends out of an end of the cylinder chamber (12) in a sealed manner. The hydraulic fluid, which is located in the cylinder chamber (12) on the side of the piston crown (16) facing away from the piston rod (24), can be brought into operative connection with a pneumatic spring accumulator (10). The pneumatic spring accumulator is a piston-type accumulator (10), which is arranged in the cylinder housing (4).

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