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公开(公告)号：US20160130944A1
公开(公告)日：2016-05-12
申请号：US14930747
申请日：2015-11-03
Applicant: Danfoss A/S
Inventor： Frank Holm Iversen , Stig Kildegaard Andersen
IPC: F01B3/00
CPC classification number: F01B3/0023 , F04B1/2092
Abstract: An axial piston machine (1) is shown, comprising: a shaft (2) having an axis (3) of rotation, a cylinder drum (4) connected to said shaft (2) and having at least a cylinder (5) parallel to said axis (3) of rotation, a piston (6) movable in said cylinder (5), a swash plate (13), a slide shoe (11) pivotally mounted to said piston (6), and holding means holding said slide shoe (11) against said swash plate (13), said holding means having a pressure plate (14) and a number of coil springs (15) arranged between said cylinder drum (4) and said pressure plate (14). The object is to have a reliable operation of said machine with a simple construction. To this end each coil spring (15) is at least at one end fixed by a protrusion (20) extending into said coil spring (15).
Abstract translation: 一种轴向活塞机（1），其包括：具有旋转轴线（3）的轴（2），连接到所述轴（2）的气缸滚筒（4），并且至少具有与 所述旋转轴线（3），可在所述气缸（5）中移动的活塞（6），旋转斜盘（13），可枢转地安装到所述活塞（6）的滑动板（11） （11）抵靠所述斜盘（13），所述保持装置具有压力板（14）和布置在所述气缸滚筒（4）和所述压板（14）之间的多个螺旋弹簧（15）。 目的是以简单的结构对所述机器进行可靠的操作。 为此，每个螺旋弹簧（15）至少在由延伸到所述螺旋弹簧（15）中的突起（20）固定的一端。
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公开(公告)号：US20210148343A1
公开(公告)日：2021-05-20
申请号：US17038959
申请日：2020-09-30
Applicant: Danfoss A/S
Inventor： Stig Kildegaard Andersen , Frank Holm Iversen , Sveinn Porarinsson
IPC: F04B1/124 , F04B1/2021
Abstract: A hydraulic piston machine is described comprising a piston (1) having a hollow (2) secured by a wall (3) and an insert (4) arranged in the hollow. Such a machine should have a high efficiency at low costs. To this end the insert (4) comprises a section (29) which extends out of the hollow (2).
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公开(公告)号：US20210148342A1
公开(公告)日：2021-05-20
申请号：US17038818
申请日：2020-09-30
Applicant: Danfoss A/S
Inventor： Stig Kildegaard Andersen , Frank Holm Iversen , Sveinn Porarinsson
IPC: F04B1/124 , F04B1/2078
Abstract: A piston (1) of a hydraulic piston machine is described, the piston (1) having a hollow (2) surrounded by a wall (3) and an insert (4) arranged in the hollow (2). Such a piston is used to have a piston machine with high efficiency at low costs. To this end at least two pliable rings (12, 13) are arranged between the insert (4) and the wall (3).
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Patent Agency Ranking
公开(公告)号：USD745058S1
公开(公告)日：2015-12-08
申请号：US29525073
申请日：2015-04-27
Applicant: Danfoss A/S
Designer： Frank Holm Iversen , Stig Andersen
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公开(公告)号：US11952987B2
公开(公告)日：2024-04-09
申请号：US17038959
申请日：2020-09-30
Applicant: Danfoss A/S
Inventor： Stig Kildegaard Andersen , Frank Holm Iversen , Sveinn Porarinsson
IPC: F04B1/124 , F04B1/2021
CPC classification number: F04B1/124 , F04B1/2021
Abstract: A hydraulic piston machine is described comprising a piston (1) having a hollow (2) secured by a wall (3) and an insert (4) arranged in the hollow. Such a machine should have a high efficiency at low costs. To this end the insert (4) comprises a section (29) which extends out of the hollow (2).
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公开(公告)号：US11828274B2
公开(公告)日：2023-11-28
申请号：US18173132
申请日：2023-02-23
Applicant: Danfoss A/S
Inventor： Stig Kildegaard Andersen , Frank Holm Iversen , Tommi Kolb
Abstract: A piston (1) having a piston shaft (2), a ball head (3) at one end of the piston shaft (2), and a slider shoe (4) mounted to the ball head (3), wherein the ball head (3) has a through channel (5), the slider shoe (4) has a sliding surface (6) and a through hole (7) in communication with an end of the through channel (5), and a plastic material (8) is arranged in a gap between the slider shoe (4) and the ball head (3) and forms an inner coating (9) of the through hole (7). The production of such a piston should be facilitated. To this end a sealing surface (14) is arranged at the end of the through channel (5) wherein the sealing surface (14) surrounds the opening of the through channel (5) into the through bore (7) and an inner diameter of the sealing surface (14) is smaller than an inner diameter of the inner coating (9) of the through bore (7).
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公开(公告)号：US11555488B2
公开(公告)日：2023-01-17
申请号：US17039210
申请日：2020-09-30
Applicant: Danfoss A/S
Inventor： Stig Kildegaard Andersen , Frank Holm Iversen
IPC: F04B1/2042 , F04B53/10 , F04B1/20 , F01B3/00
Abstract: A valve plate assembly (1) of a hydraulic axial piston machine is described, the valve plate assembly comprising a wear plate (2) made of a ceramic material surrounded by a compression ring (4). Such a valve plate assembly should be produced and maintained in a cost-effective manner. To this end, the wear plate (2) is connected to a support plate (3) by means of the compression ring (4).
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公开(公告)号：US09932828B2
公开(公告)日：2018-04-03
申请号：US14930747
申请日：2015-11-03
Applicant: Danfoss A/S
Inventor： Frank Holm Iversen , Stig Kildegaard Andersen
CPC classification number: F01B3/0023 , F04B1/2092
Abstract: An axial piston machine (1) is shown, comprising: a shaft (2) having an axis (3) of rotation, a cylinder drum (4) connected to said shaft (2) and having at least a cylinder (5) parallel to said axis (3) of rotation, a piston (6) movable in said cylinder (5), a swash plate (13), a slide shoe (11) pivotally mounted to said piston (6), and holding means holding said slide shoe (11) against said swash plate (13), said holding means having a pressure plate (14) and a number of coil springs (15) arranged between said cylinder drum (4) and said pressure plate (14). The object is to have a reliable operation of said machine with a simple construction. To this end each coil spring (15) is at least at one end fixed by a protrusion (20) extending into said coil spring (15).
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