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公开(公告)号：US10309454B2
公开(公告)日：2019-06-04
申请号：US15898914
申请日：2018-02-19
发明人： Keisuke Takaoka
IPC分类号： F16C27/04 , F16C37/00 , F16C19/06 , F01D25/16 , F16C19/55 , F16F15/02 , F16C41/00 , F16F15/023 , F16C35/063 , F01D25/18
摘要： A squeeze film damper bearing device includes an inner race that is fitted around an outer periphery of a rotating shaft, an outer race that is supported via an annular space on an inner periphery of a bearing sleeve provided on a bearing retaining member, the annular space forming a squeeze film, and a plurality of rolling bodies that are disposed between the inner race and the outer race. The bearing sleeve is formed from a plurality of sleeve elements that are divided in a peripheral direction, and the plurality of sleeve elements move in a radial direction so as to be capable of changing a height in the radial direction of the annular space.
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公开(公告)号：US20180245630A1
公开(公告)日：2018-08-30
申请号：US15898927
申请日：2018-02-19
发明人： Keisuke Takaoka
CPC分类号： F16C27/045 , F16C19/06 , F16C33/581 , F16C35/063 , F16C35/067 , F16C2226/60 , F16C2226/62 , F16C2360/23
摘要： A squeeze film damper bearing device includes an annular space that is defined between an outer periphery of an outer race, an inner periphery of a bearing retaining member, and a pair of seal rings and forms a squeeze film, and an annular adjustment groove that is formed in the inner periphery of the bearing retaining member that is sandwiched by the pair of seal rings. A depth in a radial direction of the adjustment groove gradually decreases down to zero from a middle side in an axial direction of the adjustment groove in going toward at least one end side in the axial direction.
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公开(公告)号：US10400819B2
公开(公告)日：2019-09-03
申请号：US15898921
申请日：2018-02-19
发明人： Keisuke Takaoka
IPC分类号： F16C27/04 , F16C19/06 , F16C19/26 , F01D25/16 , F16C27/06 , F16C33/66 , F16C35/063 , F16C35/067 , F16C33/58
摘要： A squeeze film damper bearing device includes an inner race that is fitted around an outer periphery of a rotating shaft, an outer race that is supported on an inner periphery of a bearing retaining member, a plurality of rolling bodies that are disposed between the inner race and the outer race, and an annular space that is defined between the bearing retaining member and the outer race by a pair of seal rings and forms a squeeze film. The annular space includes a first space facing an outer peripheral face of the outer race and a second space facing an end face in an axial direction of the outer race.
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公开(公告)号：US20180245628A1
公开(公告)日：2018-08-30
申请号：US15898914
申请日：2018-02-19
发明人： Keisuke Takaoka
CPC分类号： F16C27/045 , F16C19/06 , F16C19/55 , F16C35/063 , F16C2226/60 , F16C2233/00 , F16C2360/23
摘要： A squeeze film damper bearing device includes an inner race that is fitted around an outer periphery of a rotating shaft, an outer race that is supported via an annular space on an inner periphery of a bearing sleeve provided on a bearing retaining member, the annular space forming a squeeze film, and a plurality of rolling bodies that are disposed between the inner race and the outer race. The bearing sleeve is formed from a plurality of sleeve elements that are divided in a peripheral direction, and the plurality of sleeve elements move in a radial direction so as to be capable of changing a height in the radial direction of the annular space.
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公开(公告)号：US10132351B2
公开(公告)日：2018-11-20
申请号：US15898927
申请日：2018-02-19
发明人： Keisuke Takaoka
摘要： A squeeze film damper bearing device includes an annular space that is defined between an outer periphery of an outer race, an inner periphery of a bearing retaining member, and a pair of seal rings and forms a squeeze film, and an annular adjustment groove that is formed in the inner periphery of the bearing retaining member that is sandwiched by the pair of seal rings. A depth in a radial direction of the adjustment groove gradually decreases down to zero from a middle side in an axial direction of the adjustment groove in going toward at least one end side in the axial direction.
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公开(公告)号：US20180245629A1
公开(公告)日：2018-08-30
申请号：US15898921
申请日：2018-02-19
发明人： Keisuke Takaoka
CPC分类号： F16C27/045 , F01D25/164 , F16C19/06 , F16C19/26 , F16C27/066 , F16C33/581 , F16C33/6685 , F16C35/063 , F16C35/067 , F16C2226/60 , F16C2226/62 , F16C2360/23
摘要： A squeeze film damper bearing device includes an inner race that is fitted around an outer periphery of a rotating shaft, an outer race that is supported on an inner periphery of a bearing retaining member, a plurality of rolling bodies that are disposed between the inner race and the outer race, and an annular space that is defined between the bearing retaining member and the outer race by a pair of seal rings and forms a squeeze film. The annular space includes a first space facing an outer peripheral face of the outer race and a second space facing an end face in an axial direction of the outer race.
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