Cooling arrangement for a propulsion unit

    公开(公告)号:US09783279B2

    公开(公告)日:2017-10-10

    申请号:US14711516

    申请日:2015-05-13

    Applicant: ABB Oy

    Abstract: A propulsion unit is disclosed with a hollow strut having an upper portion with an upper end portion passing through a passage (P1) formed between a first outer bottom and a second inner bottom in a vessel. The upper end portion is rotatably supported with a slewing bearing and sealed with a slewing seal towards the vessel. A cooling arrangement includes a cooling air duct system, at least one fan and at least one cooling unit. The slewing seal can include an upper slewing seal and a lower slewing seal at a vertical distance (H1) from each other with a space formed between the slewing seals. The upper end portion has openings (O1) into the space between the slewing seals. A first cooling air duct is directed to this space, whereby cooling air (L1) can be circulated through the first cooling air duct (400) into the space and through the openings (O1) in the upper end portion to the interior of the strut, or return air (L2) can be circulated from the strut in an opposite direction.

    Seal arrangement in a vessel
    2.
    发明授权

    公开(公告)号:US10407149B2

    公开(公告)日:2019-09-10

    申请号:US14839959

    申请日:2015-08-29

    Applicant: ABB Oy

    Abstract: The arrangement comprises a seal (500) sealing a cylindrical rotating part (100) passing through an opening in a support structure in the vessel (10) against a medium (W). The seal (500) comprises a package of annular seal rings (510, 520, 530). Each seal ring (510, 520, 530) comprises a seal part (512, 522, 532) being supported in a corresponding seal support part (511, 521, 531). The seal support part (511) in the first seal ring (510) positioned closest to the medium (W) has the form of a cylinder (511A) provided with an annular flange (511B) at one end of the cylinder (511A). The outer surface of the cylinder (511A) is supported and sealed with an auxiliary seal (610) against the inner circumference of the opening. The annular flange (511B) is supported against the support structure (83) surrounding the opening. There are adjusting means (900) for adjusting the position of the first seal support part (511) in relation to the support structure (83) surrounding the opening in order to relocate the seal (500) in an axial direction in relation to the rotating part (31, 100).

    Slewing seal arrangement for a propulsion unit

    公开(公告)号:US10160529B2

    公开(公告)日:2018-12-25

    申请号:US15310774

    申请日:2015-05-12

    Applicant: ABB Oy

    Abstract: The propulsion unit comprises a strut having an upper portion with an upper end portion passing through a passage formed between a first outer bottom and a second inner bottom in a vessel. The upper end portion is rotatable supported with a slewing bearing and sealed with a slewing seal. An upper slewing seal prevents lubrication medium leakage from the slewing bearing, whereby access to the upper slewing seal is provided in a radial direction from the interior of the vessel or from the interior of the strut in order to be able to service the upper slewing seal. A lower slewing seal is positioned at a vertical distance below the upper slewing seal and prevents sea water from penetrating into the hull of the vessel, whereby access to the lower slewing seal is provided in a radial direction from the interior of the vessel or from the interior of the strut in order to be able to service the lower slewing seal.

    SLEWING SEAL ARRANGEMENT FOR A PROPULSION UNIT

    公开(公告)号:US20170081006A1

    公开(公告)日:2017-03-23

    申请号:US15310774

    申请日:2015-05-12

    Applicant: ABB Oy

    CPC classification number: B63H5/125 B63H2005/1258

    Abstract: The propulsion unit comprises a strut having an upper portion with an upper end portion passing through a passage formed between a first outer bottom and a second inner bottom in a vessel. The upper end portion is rotatable supported with a slewing bearing and sealed with a slewing seal. An upper slewing seal prevents lubrication medium leakage from the slewing bearing, whereby access to the upper slewing seal is provided in a radial direction from the interior of the vessel or from the interior of the strut in order to be able to service the upper slewing seal. A lower slewing seal is positioned at a vertical distance below the upper slewing seal and prevents sea water from penetrating into the hull of the vessel, whereby access to the lower slewing seal is provided in a radial direction from the interior of the vessel or from the interior of the strut in order to be able to service the lower slewing seal.

    SEAL ARRANGEMENT IN A VESSEL
    5.
    发明申请
    SEAL ARRANGEMENT IN A VESSEL 审中-公开
    船舶密封装置

    公开(公告)号:US20160059950A1

    公开(公告)日:2016-03-03

    申请号:US14839959

    申请日:2015-08-29

    Applicant: ABB Oy

    Abstract: The arrangement comprises a seal (500) sealing a cylindrical rotating part (100) passing through an opening in a support structure in the vessel (10) against a medium (W). The seal (500) comprises a package of annular seal rings (510, 520, 530). Each seal ring (510, 520, 530) comprises a seal part (512, 522, 532) being supported in a corresponding seal support part (511, 521, 531). The seal support part (511) in the first seal ring (510) positioned closest to the medium (W) has the form of a cylinder (511A) provided with an annular flange (511B) at one end of the cylinder (511A). The outer surface of the cylinder (511A) is supported and sealed with an auxiliary seal (610) against the inner circumference of the opening. The annular flange (511B) is supported against the support structure (83) surrounding the opening. There are adjusting means (900) for adjusting the position of the first seal support part (511) in relation to the support structure (83) surrounding the opening in order to relocate the seal (500) in an axial direction in relation to the rotating part (31, 100).

    Abstract translation: 该装置包括一密封件(500),该密封件(500)密封通过容器(10)中的支撑结构中的开口的圆柱形旋转部件(100)抵靠介质(W)。 密封件(500)包括一组环形密封环(510,520,530)。 每个密封环(510,520,530)包括被支撑在对应的密封支撑部分(511,521,531)中的密封部分(512,522,532)。 位于最靠近介质(W)的第一密封环(510)中的密封支撑部分(511)具有在气缸(511A)的一端处设置有环形凸缘(511B)的圆柱体(511A)的形式。 气缸(511A)的外表面用辅助密封件(610)支撑并密封抵靠开口的内圆周。 环形凸缘(511B)支撑在围绕开口的支撑结构(83)上。 存在用于相对于围绕开口的支撑结构(83)调节第一密封支撑部(511)的位置的调节装置(900),以便使密封件(500)相对于旋转的轴向方向 (31,100)。

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