-
公开(公告)号:US20140341710A1
公开(公告)日:2014-11-20
申请号:US14368282
申请日:2012-12-20
发明人: Michael Creamer
CPC分类号: F25B1/10 , F04C18/02 , F04C18/0207 , F04D17/12 , F04D17/122 , F04D25/06 , F04D27/001 , F04D27/007 , F04D29/051 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/284 , F04D29/462 , F04D29/5806 , F16C33/1005 , F16C2210/00 , F16C2362/52 , F24F11/30 , F24F11/46 , F24F11/62 , F24F11/63 , F25B1/00 , F25B1/053 , F25B29/003 , F25B31/002 , F25B43/003 , F25B49/022 , F25B2400/01 , F25B2400/23 , F25B2500/26 , F25B2700/171 , G05B13/024 , G05B2219/2614 , G05D23/1917
摘要: A refrigerant compressor (10) for use in a chiller-heater system that can provide chilled water at less than 10° C. and hot water at more than 80° C. without the need for additional heat input, the compressor (10) being configured to provide a compression ratio of at least 18:1 and a temperature lift across the compressor of at least 80K, and the refrigerant fluid being selected to give the desired temperature lift without the pressure at the compressor outlet exceeding 25 bar.
摘要翻译: 一种制冷剂压缩机(10),其用于可以在低于10℃的温度下提供冷却水的冷却器加热器系统,并且不需要额外的热量输入的高于80℃的热水,所述压缩机(10)为 被配置为提供至少18:1的压缩比和跨过压缩机的至少80K的温度升高,并且选择制冷剂流体以提供所需的温度升高,而压缩机出口处的压力超过25巴。
-
公开(公告)号:US09671139B2
公开(公告)日:2017-06-06
申请号:US14368280
申请日:2012-12-20
发明人: Michael Creamer
IPC分类号: F04D25/06 , F25B1/10 , F04D29/057 , F25B1/053 , F25B29/00 , F25B31/00 , F16C33/10 , F04D29/063 , F04C18/02 , F04D17/12 , F04D27/00 , F25B1/00 , F25B49/02 , F04D29/58 , G05D23/19
CPC分类号: F25B1/10 , F04C18/02 , F04C18/0207 , F04D17/12 , F04D17/122 , F04D25/06 , F04D27/001 , F04D27/007 , F04D29/051 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/284 , F04D29/462 , F04D29/5806 , F16C33/1005 , F16C2210/00 , F16C2362/52 , F24F11/30 , F24F11/46 , F24F11/62 , F24F11/63 , F25B1/00 , F25B1/053 , F25B29/003 , F25B31/002 , F25B43/003 , F25B49/022 , F25B2400/01 , F25B2400/23 , F25B2500/26 , F25B2700/171 , G05B13/024 , G05B2219/2614 , G05D23/1917
摘要: A centrifugal compressor for compressing a refrigerant vapor in a refrigeration cycle. The compressor comprises an impeller drive shaft (28) supported by first and second radial bearings (32) for rotation within the compressor housing and an impeller assembly including at least one centrifugal impeller wheel mounted on the impeller drive shaft to rotate with the impeller drive shaft. The first and second radial bearings are hydrodynamic fluid bearings in which the bearing fluid is the refrigerant vapor. The compressor further comprising a conduit (36) for supplying a portion of the refrigerant vapor from the impeller assembly to the first and second fluid bearings.
-
公开(公告)号:US20150361988A1
公开(公告)日:2015-12-17
申请号:US14835572
申请日:2015-08-25
申请人: Thoratec Corporation
CPC分类号: F04D29/049 , A61M1/101 , A61M1/1013 , A61M1/1017 , A61M1/122 , A61M2207/00 , C23C16/44 , F04D1/00 , F04D29/22 , F16C17/04 , F16C17/08 , F16C17/10 , F16C33/1025 , F16C33/1065 , F16C33/32 , F16C33/3831 , F16C41/005 , F16C2210/00 , F16C2316/18 , Y10T29/49657
摘要: A bearing assembly for use in a blood pump includes a first component that has a convex bearing surface and a first outer surface proximate the convex bearing surface. The bearing assembly includes a second component that a concave bearing surface and a second outer surface proximate the concave bearing surface, the concave bearing surface being configured to receive the convex bearing surface. A plurality of grooves are defined through the convex bearing surface and first outer surface or through the concave bearing surface and the second outer surface.
摘要翻译: 用于血液泵的轴承组件包括具有凸起的支承表面和靠近凸形支承表面的第一外表面的第一部件。 所述轴承组件包括第二部件,所述第二部件包括凹入轴承表面和邻近所述凹形支承表面的第二外部表面,所述凹形支承表面被配置为容纳所述凸形支承表面。 多个凹槽通过凸形支承表面和第一外表面或通过凹形支承表面和第二外表面来限定。
-
公开(公告)号:US20180356129A1
公开(公告)日:2018-12-13
申请号:US16034096
申请日:2018-07-12
发明人: Michael Creamer
IPC分类号: F25B1/10 , F25B49/02 , F04D27/00 , F24F11/30 , F04C18/02 , F04D17/12 , F04D25/06 , F25B43/00 , F25B31/00 , F25B29/00 , F25B1/053 , F25B1/00 , F24F11/62 , G05B13/02 , F16C33/10 , F04D29/58 , F04D29/46 , F04D29/28 , F04D29/063 , F04D29/057 , F04D29/053 , F04D29/051 , G05D23/19 , F24F11/63 , F24F11/46
CPC分类号: F25B1/10 , F04C18/02 , F04C18/0207 , F04D17/12 , F04D17/122 , F04D25/06 , F04D27/001 , F04D27/007 , F04D29/051 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/284 , F04D29/462 , F04D29/5806 , F16C33/1005 , F16C2210/00 , F16C2362/52 , F24F11/30 , F24F11/46 , F24F11/62 , F24F11/63 , F25B1/00 , F25B1/053 , F25B29/003 , F25B31/002 , F25B43/003 , F25B49/022 , F25B2400/01 , F25B2400/23 , F25B2500/26 , F25B2700/171 , G05B13/024 , G05B2219/2614 , G05D23/1917
摘要: A centrifugal compressor for compressing a refrigerant vapour in a refrigeration cycle. The compressor comprises an impeller drive shaft supported by first and second radial bearings for rotation within the compressor housing and an impeller assembly including at least one centrifugal impeller wheel mounted on the impeller drive shaft to rotate with the impeller drive shaft. The first and second radial bearings are hydrodynamic fluid bearings in which the bearing fluid is the refrigerant vapour. The compressor further comprises a conduit for supplying a portion of the refrigerant vapour from the impeller assembly to the first and second fluid bearings.
-
公开(公告)号:US09144638B2
公开(公告)日:2015-09-29
申请号:US13804983
申请日:2013-03-14
申请人: Thoratec Corporation
CPC分类号: F04D29/049 , A61M1/101 , A61M1/1013 , A61M1/1017 , A61M1/122 , A61M2207/00 , C23C16/44 , F04D1/00 , F04D29/22 , F16C17/04 , F16C17/08 , F16C17/10 , F16C33/1025 , F16C33/1065 , F16C33/32 , F16C33/3831 , F16C41/005 , F16C2210/00 , F16C2316/18 , Y10T29/49657
摘要: A bearing assembly for use in a blood pump includes a first component that has a convex bearing surface and a first outer surface proximate the convex bearing surface. The bearing assembly includes a second component that a concave bearing surface and a second outer surface proximate the concave bearing surface, the concave bearing surface being configured to receive the convex bearing surface. A plurality of grooves are defined through the convex bearing surface and first outer surface or through the concave bearing surface and the second outer surface.
摘要翻译: 用于血液泵的轴承组件包括具有凸起的支承表面和靠近凸形支承表面的第一外表面的第一部件。 所述轴承组件包括第二部件,所述第二部件包括凹入轴承表面和邻近所述凹形支承表面的第二外部表面,所述凹形支承表面被配置为容纳所述凸形支承表面。 多个凹槽通过凸形支承表面和第一外表面或通过凹形支承表面和第二外表面来限定。
-
公开(公告)号:US20140371919A1
公开(公告)日:2014-12-18
申请号:US14368280
申请日:2012-12-20
发明人: Michael Creamer
CPC分类号: F25B1/10 , F04C18/02 , F04C18/0207 , F04D17/12 , F04D17/122 , F04D25/06 , F04D27/001 , F04D27/007 , F04D29/051 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/284 , F04D29/462 , F04D29/5806 , F16C33/1005 , F16C2210/00 , F16C2362/52 , F24F11/30 , F24F11/46 , F24F11/62 , F24F11/63 , F25B1/00 , F25B1/053 , F25B29/003 , F25B31/002 , F25B43/003 , F25B49/022 , F25B2400/01 , F25B2400/23 , F25B2500/26 , F25B2700/171 , G05B13/024 , G05B2219/2614 , G05D23/1917
摘要: A centrifugal compressor for compressing a refrigerant vapour in a refrigeration cycle. The compressor comprises an impeller drive shaft (28) supported by first and second radial bearings (32) for rotation within the compressor housing and an impeller assembly including at least one centrifugal impeller wheel mounted on the impeller drive shaft to rotate with the impeller drive shaft. The first and second radial bearings are hydrodynamic fluid bearings in which the bearing fluid is the refrigerant vapour. The compressor further comprising a conduit (36) for supplying a portion of the refrigerant vapour from the impeller assembly to the first and second fluid bearings.
摘要翻译: 一种用于在制冷循环中压缩制冷剂蒸汽的离心式压缩机。 压缩机包括由第一和第二径向轴承(32)支撑以在压缩机壳体内旋转的叶轮驱动轴(28)和叶轮组件,叶轮组件包括安装在叶轮驱动轴上的至少一个离心式叶轮,以便与叶轮驱动轴 。 第一和第二径向轴承是流体动力学流体轴承,其中轴承流体是制冷剂蒸汽。 压缩机还包括用于将来自叶轮组件的一部分制冷剂蒸汽供应到第一和第二流体轴承的导管(36)。
-
公开(公告)号:US20140275722A1
公开(公告)日:2014-09-18
申请号:US13804983
申请日:2013-03-14
申请人: Thoratec Corporation
CPC分类号: F04D29/049 , A61M1/101 , A61M1/1013 , A61M1/1017 , A61M1/122 , A61M2207/00 , C23C16/44 , F04D1/00 , F04D29/22 , F16C17/04 , F16C17/08 , F16C17/10 , F16C33/1025 , F16C33/1065 , F16C33/32 , F16C33/3831 , F16C41/005 , F16C2210/00 , F16C2316/18 , Y10T29/49657
摘要: A bearing assembly for use in a blood pump includes a first component that has a convex bearing surface and a first outer surface proximate the convex bearing surface. The bearing assembly includes a second component that a concave bearing surface and a second outer surface proximate the concave bearing surface, the concave bearing surface being configured to receive the convex bearing surface. A plurality of grooves are defined through the convex bearing surface and first outer surface or through the concave bearing surface and the second outer surface.
摘要翻译: 用于血液泵的轴承组件包括具有凸起的支承表面和靠近凸形支承表面的第一外表面的第一部件。 所述轴承组件包括第二部件,所述第二部件包括凹入轴承表面和邻近所述凹形支承表面的第二外部表面,所述凹形支承表面被配置为容纳所述凸形支承表面。 多个凹槽通过凸形支承表面和第一外表面或通过凹形支承表面和第二外表面来限定。
-
公开(公告)号:US20140097717A1
公开(公告)日:2014-04-10
申请号:US14029072
申请日:2013-09-17
申请人: MINEBEA CO., LTD.
发明人: Jun HATCHO , Hideo FUJIURA
CPC分类号: F16C32/0629 , F16C17/026 , F16C33/121 , F16C2204/16 , F16C2210/00 , F16C2370/12 , G11B19/2036 , H02K7/08 , H02K7/085
摘要: There is provided a fluid dynamic pressure bearing apparatus including a shaft, a bearing sleeve rotatably supporting the shaft, and a lubricating oil filled between the shaft and the bearing sleeve, wherein at least one of the shaft and the bearing sleeve is formed of a copper alloy containing 0.8 wt % to 5 wt % of lead, and a base oil of the lubricating is a member selected from the group consisting of monoester, dibasic acid diester, diol ester and mixtures thereof, and the lubricating oil contains 0.1 wt % to 1 wt % of condensed phosphate ester. The fluid dynamic pressure bearing apparatus is capable of suppressing the hydrolysis of the lubricating oil, and the wear of the shaft and the bearing sleeve.
摘要翻译: 提供了一种流体动压轴承装置,其包括轴,可旋转地支撑轴的轴承套和填充在轴和轴承套之间的润滑油,其中轴和轴承套中的至少一个由铜形成 含有0.8重量%〜5重量%的铅的合金,润滑油的基础油是选自单酯,二元酸二酯,二醇酯及其混合物的成分,润滑油含有0.1重量%〜1重量% wt%的缩合磷酸酯。 流体动压轴承装置能够抑制润滑油的水解,以及轴和轴承套的磨损。
-
公开(公告)号:US09759222B2
公开(公告)日:2017-09-12
申请号:US14835572
申请日:2015-08-25
申请人: Thoratec Corporation
IPC分类号: F16C33/32 , F16C33/38 , A61M1/10 , F16C17/04 , F04D29/049 , F04D29/22 , C23C16/44 , F04D1/00 , F16C33/64 , F16C41/00 , A61M1/12
CPC分类号: F04D29/049 , A61M1/101 , A61M1/1013 , A61M1/1017 , A61M1/122 , A61M2207/00 , C23C16/44 , F04D1/00 , F04D29/22 , F16C17/04 , F16C17/08 , F16C17/10 , F16C33/1025 , F16C33/1065 , F16C33/32 , F16C33/3831 , F16C41/005 , F16C2210/00 , F16C2316/18 , Y10T29/49657
摘要: A bearing assembly for use in a blood pump includes a first component that has a convex bearing surface and a first outer surface proximate the convex bearing surface. The bearing assembly includes a second component that a concave bearing surface and a second outer surface proximate the concave bearing surface, the concave bearing surface being configured to receive the convex bearing surface. A plurality of grooves are defined through the convex bearing surface and first outer surface or through the concave bearing surface and the second outer surface.
-
公开(公告)号:US20170248346A1
公开(公告)日:2017-08-31
申请号:US15591846
申请日:2017-05-10
发明人: Michael Creamer
IPC分类号: F25B1/10 , F25B49/02 , F25B43/00 , F16C33/10 , G05D23/19 , G05B13/02 , F24F11/00 , F04D29/053 , F04D29/057 , F04D29/28 , F04D29/051 , F04D17/12 , F04D25/06 , F04D29/46 , F25B1/053
CPC分类号: F25B1/10 , F04C18/02 , F04C18/0207 , F04D17/12 , F04D17/122 , F04D25/06 , F04D27/001 , F04D27/007 , F04D29/051 , F04D29/053 , F04D29/057 , F04D29/063 , F04D29/284 , F04D29/462 , F04D29/5806 , F16C33/1005 , F16C2210/00 , F16C2362/52 , F24F11/30 , F24F11/46 , F24F11/62 , F24F11/63 , F25B1/00 , F25B1/053 , F25B29/003 , F25B31/002 , F25B43/003 , F25B49/022 , F25B2400/01 , F25B2400/23 , F25B2500/26 , F25B2700/171 , G05B13/024 , G05B2219/2614 , G05D23/1917
摘要: A centrifugal compressor for compressing a refrigerant vapour in a refrigeration cycle. The compressor comprises an impeller drive shaft supported by first and second radial bearings for rotation within the compressor housing and an impeller assembly including at least one centrifugal impeller wheel mounted on the impeller drive shaft to rotate with the impeller drive shaft. The first and second radial bearings are hydrodynamic fluid bearings in which the bearing fluid is the refrigerant vapour. The compressor further comprises a conduit for supplying a portion of the refrigerant vapour from the impeller assembly to the first and second fluid bearings.
-
-
-
-
-
-
-
-
-