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公开(公告)号：US11940051B2
公开(公告)日：2024-03-26
申请号：US17641752
申请日：2020-07-09
IPC分类号： F16J15/34
CPC分类号： F16J15/3464 , F16J15/3484
摘要： The invention relates to a mechanical seal arrangement comprising a first slide ring seal (2) having a rotating slide ring (21) and a stationary slide ring (22) defining a sealing gap (23) therebetween, a shaft sleeve (4), a driver (5) which connects the shaft sleeve (4) to the rotating slide ring (21) and which is arranged to transmit rotation of the shaft sleeve (4) to the rotating slide ring (21) a connecting arrangement (6) for connecting the shaft sleeve (4) to the driver (5), the connecting arrangement (6) comprising at least two rotary locks (60) and at least two recesses (40) in the shaft sleeve (4), wherein each of the rotary locks (60) has a bearing portion (61) and a locking portion (62), wherein the locking portion (62) laterally projects beyond the bearing portion (61), and wherein a rotational axis (Y-Y) of each rotary lock (60) is parallel to a central axis (X-X) of the shaft sleeve (4).
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公开(公告)号：US11754183B2
公开(公告)日：2023-09-12
申请号：US17437630
申请日：2020-02-25
发明人： Dieter Pfeil , Jurgen Binder
IPC分类号： F16J15/3204 , B63H23/32 , F16J15/34 , F16J15/40
CPC分类号： F16J15/3204 , B63H23/321 , F16J15/3484 , F16J15/406 , B63H2023/327
摘要： The invention relates to a marine meachanical seal arrangement comprising a first mechanical seal (2) comprising a first rotating slide ring (21) and a second stationary slide ring (22) defining a first sealing gap (23) between their two sliding surfaces (21a, 22a), a second meachanical seal (3) comprising a second rotating slide ring (31) and a second stationary slide ring (32), which define a second sealing gap (33) between their sliding surfaces (31a, 32a), a barrier circuit (10) comprising a barrier fluid cavity (8) which is arranged between the first mechanical seal (2) and the second mechanical seal (3) and is filled with a barrier fluid, the barrier fluid cavity (8) being divided into a first sub-cavity (81) and a second sub-cavity (82), the first subcavity (81) and the second subcavity (82) being separated by a flexible lip seal (7) wherein the second sub-cavity (82) is arranged at the second mechanical seal (3), and wherein the lip seal (7) is arranged such that a flow of barrier fluid from the first subcavity (81) into the second subcavity (82) is allowed and a flow of barrier fluid from the second subcavity to the first subcavity is prevented. (FIG. 2)
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公开(公告)号：US20220221060A1
公开(公告)日：2022-07-14
申请号：US17604081
申请日：2020-02-25
发明人： Kilian Obertanner , Johannes Bauer , Josef Gerg , Stefan Ledig , Joseph Kiermeir , Christoph Rapp
摘要： The invention relates to a mechanical seal arrangement for sealing on a rotating component (21), comprising a slide ring seal (2) having a rotating slide ring (3) and a stationary slide ring (4), which define a sealing gap (5) between the sliding surfaces (3a, 4a) thereof, a recirculation conveyor (7) arranged adjacent to the rotating slide ring (3) wherein the recirculation conveyor (7) comprises a recirculation line (19) in which a cooling device (20) for cooling the recirculated fluid is arranged, a recirculation rotor (8) and a hollow cylindrical housing (9), wherein the recirculation line (19) leads to a cavity (6) in the region of the sealing gap (5) of the sliding ring seal (2), wherein the hollow cylindrical housing (9) comprises an inner shell surface (11) and an outer shell surface (12) and wherein a conveyor channel (10) is provided on the outer shell surface (12), which conveyor channel (10) is formed along the outer shell surface (12) from a start portion (13) to an end portion (14) wherein the start portion (13) of the conveyor channel (10) is separated from the end portion (14) by a separating web (15), wherein a plurality of feed openings (16) are provided in the hollow cylindrical housing (9), which open from the inner shell surface (11) into the conveyor channel (10), and wherein a single outlet opening (17) is provided at the end portion (14). (FIG. 1)
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公开(公告)号：US11255440B2
公开(公告)日：2022-02-22
申请号：US16756322
申请日：2018-10-01
摘要： The invention relates to a gas-lubricated mechanical seal arrangement using a gaseous fluid as a barrier medium, comprising a mechanical seal comprising a rotating slide ring (2) and a stationary slide ring (3) defining a seal gap (4) therebetween, a biasing means (5) biasing the stationary slide ring (3) towards the rotating slide ring (2), a fluid space (6), into which the gaseous fluid can be introduced, a first slide ring carrier (20) for retaining the rotating slide ring (2), the first slide ring carrier (20) having a first axial surface (21), a second slide ring carrier (30) for retaining the stationary slide ring (3), the second slide ring carrier (30) having a second axial surface (31), the second slide ring (30) and the stationary slide ring (3) being arranged together on a displacement surface (32) so as to be displaceable in the axial direction (X-X), an axial gap (7), which is limited by the first axial surface (21) and the second axial surface (31), and an antechamber (8) which is formed at the sealing gap (4) of the mechanical seal and which is connected to the fluid space (6) via the axial gap (7).
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公开(公告)号：US11231042B2
公开(公告)日：2022-01-25
申请号：US16483663
申请日：2018-01-16
摘要： The invention relates to a mechanical seal assembly comprising a mechanical seal (2) comprising a rotating mechanical seal (20) and a stationary mechanical seal (21) defining a sealing gap (22) therebetween, and a one-piece safety seal (3) provided as a redundant seal in the event of failure of the mechanical seal (2) and adapted to seal at a rotating component, the safety seal (3) comprising a base body (30) and a sealing area (31) projecting from the base body (30) in the axial direction (X-X) and being flexible, a thickness of the sealing area (31) in the radial direction being smaller than a thickness of the base body (30) in the radial direction, and the safety seal (3) being arranged in a stationary manner and comprising a sealing surface (32) on an inner circumference.
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公开(公告)号：US20200378502A1
公开(公告)日：2020-12-03
申请号：US16970869
申请日：2019-01-22
摘要： The invention relates to a mechanical seal arrangement comprising a mechanical seal including a rotating slide ring (2) and a stationary slide ring (3) which define a sealing gap (4) between seal faces (21, 31), a shaft sleeve arrangement (5), comprising a split shaft sleeve with a first annular sleeve part (51) and a second annular sleeve part (52), which are connected to each other by means of a snap-in connection (6), wherein the rotating slide ring (2) is arranged on the shaft sleeve arrangement (5), and wherein the snap-in connection (6) comprises at least one snap-in nose (60) and one snap-in recess (61) receiving the snap-in nose (60) to allow the first sleeve part (51) to engage with the second sleeve part (52).
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公开(公告)号：US20200278030A1
公开(公告)日：2020-09-03
申请号：US16756322
申请日：2018-10-01
IPC分类号： F16J15/34
摘要： The invention relates to a gas-lubricated mechanical seal arrangement using a gaseous fluid as a barrier medium, comprising a mechanical seal comprising a rotating slide ring (2) and a stationary slide ring (3) defining a seal gap (4) therebetween, a biasing means (5) biasing the stationary slide ring (3) towards the rotating slide ring (2), a fluid space (6), into which the gaseous fluid can be introduced, a first slide ring carrier (20) for retaining the rotating slide ring (2), the first slide ring carrier (20) having a first axial surface (21), a second slide ring carrier (30) for retaining the stationary slide ring (3), the second slide ring carrier (30) having a second axial surface (31), the second slide ring (30) and the stationary slide ring (3) being arranged together on a displacement surface (32) so as to be displaceable in the axial direction (X-X), an axial gap (7), which is limited by the first axial surface (21) and the second axial surface (31), and an antechamber (8) which is formed at the sealing gap (4) of the mechanical seal and which is connected to the fluid space (6) via the axial gap (7).
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公开(公告)号：US20200240522A1
公开(公告)日：2020-07-30
申请号：US16636718
申请日：2018-08-09
发明人： Doris Ongerth , Wolfgang Ries
IPC分类号： F16J15/34 , F16J15/3284 , F16J15/3268
摘要： The invention relates to a mechanical seal assembly, comprising: a mechanical seal (10) including a rotating mechanical sliding ring (2) and a stationary mechanical sliding ring (3), defining a sealing gap (4) between them, a sliding ring carrier (5) arranged at the rotating mechanical sliding ring (2), at least one driver element (6) arranged between the rotating mechanical sliding ring (2) and the sliding ring carrier (5) and provided for transmitting a torque from the sliding ring carrier (5) to the rotating sliding ring (2), wherein the rotating sliding ring (2) is clearance-fitted into the sliding ring carrier (5), wherein the rotating sliding ring (2) comprises a first recess (20), wherein the sliding ring carrier (5) comprises a second recess (50), and wherein the driver element (6) is clearance-fitted into the first recess (20) and is clearance-fitted into the second recess (50).
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公开(公告)号：US20200148599A1
公开(公告)日：2020-05-14
申请号：US16628219
申请日：2018-07-05
发明人： Rolf Mulhaupt , Jorg Thomas Thelke , Wenli Zhang
IPC分类号： C04B35/628 , C04B35/565 , C04B38/00 , C04B35/626 , C04B35/64 , C10M103/02 , H01B1/24 , F16C33/74 , B64G1/22
摘要： The invention relates to a sliding member having a first sliding surface, wherein the first sliding surface (29) comprises a particulate support material (6) and a graphene-containing material (7), wherein the particulate support material (6) is at least partially coated with the graphene-containing material (7), and wherein a material bond (14) is present between the particulate support material (6) and the graphene-containing material (7).
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公开(公告)号：US20190178385A1
公开(公告)日：2019-06-13
申请号：US16074293
申请日：2017-01-16
发明人： Josef Gerg , Benjamin Hamm
IPC分类号： F16J15/34
摘要： The invention relates to a mechanical seal device (1), comprising a rotating slide ring (2) and a stationary slide ring (3) that define a sealing gap (4) in between them, a retaining ring (5) for retaining the stationary slide ring (3), a housing (6) with a side that is oriented towards a product side (13) and a side that is oriented towards an atmospheric side (14), and a clamping mechanism (8), wherein a clamp connection is formed between the housing (6) and the retaining ring (5) by means of the clamping mechanism (8), wherein the housing (6) has at least one through hole (60) that connects the side of the housing that is oriented towards the product side (13) with the side of the housing that is oriented towards the atmospheric side (14), wherein the clamping mechanism (8) has a screw bolt (80) and a clamping element (82), wherein the screw bolt (80) is arranged in the through hole (60) of the housing (6), and the clamping element (82) has a threaded opening (83) into which the screw bolt (80) is screwed, and wherein the clamping element (82) has a contact surface (84) that abuts at the retaining ring (5) to form the clamp connection.
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