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公开(公告)号：US10107289B2
公开(公告)日：2018-10-23
申请号：US14115559
申请日：2012-05-03
申请人： Ahmed Kovacevic , Nsikan Udo
发明人： Ahmed Kovacevic , Nsikan Udo
摘要： The present disclosure relates to fluid machines, especially compressors, more especially screw compressors. More particularly the present disclosure describes a fluid machine comprising at least one rotor (64), the rotor including a rotor drive shaft (68) extending from the rotor, a housing in which is mounted the rotor, and at least one bearing insert (74) which mounts around the rotor drive shaft at a first end of the rotor and which includes at least one bearing (114) within it and attaches to the housing. The present disclosure also describes bearing inserts suitable for use on such fluid machines.
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公开(公告)号：US20140322059A1
公开(公告)日：2014-10-30
申请号：US14115559
申请日：2012-05-03
申请人： Ahmed Kovacevic , Nsikan Udo
发明人： Ahmed Kovacevic , Nsikan Udo
CPC分类号： F04C29/005 , F04C18/082 , F04C18/16 , F04C29/0021 , F04C2240/56
摘要： The present disclosure relates to fluid machines, especially compressors, more especially screw compressors. More particularly the present disclosure describes a fluid machine comprising at least one rotor (64), the rotor including a rotor drive shaft (68) extending from the rotor, a housing in which is mounted the rotor, and at least one bearing insert (74) which mounts around the rotor drive shaft at a first end of the rotor and which includes at least one bearing (114) within it and attaches to the housing. The present disclosure also describes bearing inserts suitable for use on such fluid machines.
摘要翻译： 本公开涉及流体机械，特别是压缩机，特别是螺杆式压缩机。 更具体地，本公开描述了一种包括至少一个转子（64）的流体机械，转子包括从转子延伸的转子驱动轴（68），其中安装有转子的壳体和至少一个轴承插入件（74） ），其在转子的第一端处安装在转子驱动轴周围，并且包括在其内的至少一个轴承（114）并且附接到壳体。 本公开还描述了适用于这种流体机器的轴承插入件。
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公开(公告)号：US08215114B2
公开(公告)日：2012-07-10
申请号：US11921836
申请日：2006-06-09
摘要： A vapor power generating system for generating power by using heat from a source of heat. The system has a closed circuit for a working fluid, and includes a heat exchanger assembly (1) for heating the fluid under pressure with heat from the source, a separator (8) for separating the vapor phase of the heated fluid from the liquid phase thereof, an expander (14) for expanding the vapor to generate power, a condenser (17) for condensing the outlet fluid from the expander (14), a feed pump (F) for returning condensed fluid from the condenser (17) to the heater and a return path for returning the liquid phase from the separator to the heater. The liquid phase of the working fluid contains a lubricant which lubricant is soluble or miscible in the liquid phase and a bearing supply path (21) is arranged to deliver liquid phase pressurized by the feed pump (F) to at least one bearing for a rotary element of the expander.
摘要翻译： 一种用于通过使用来自热源的热量来发电的蒸气发电系统。 该系统具有用于工作流体的闭合回路，并且包括一个热交换器组件（1），该热交换器组件用于在来自该源的热量的压力下加热该流体;一个分离器（8），用于将加热流体的气相与液相 用于使蒸汽膨胀以产生动力的膨胀器（14），用于冷凝来自膨胀器（14）的出口流体的冷凝器（17），用于将冷凝流体从冷凝器（17）返回到冷凝器 加热器和用于将液相从分离器返回到加热器的返回路径。 工作流体的液相含有润滑剂，其润滑剂在液相中是可溶的或可混溶的，并且轴承供给路径（21）被布置成将由进料泵（F）加压的液相输送到至少一个旋转轴承 扩展器的元素。
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公开(公告)号：US20050223734A1
公开(公告)日：2005-10-13
申请号：US10513289
申请日：2003-04-30
申请人： Ian Smith , Nikola Stosic , Ahmed Kovacevic
发明人： Ian Smith , Nikola Stosic , Ahmed Kovacevic
CPC分类号： F01C21/003 , F01C1/16 , F01C11/004 , F01C21/108 , F04C18/084 , F25B2309/061
摘要： A plural screw compressor-expander machine has a casing (10) in the interior of which are mounted intermeshing helical rotors (11 and 12). The rotors (11 and 12) are supported at each end in bearings in the end walls of the casing. The interior of the casing is divided by a transverse partition (14) into a relatively longer compressor portion (1) and a shorter expander portion (5). The higher pressure ports (16, 18) of the compressor and expander portions are adjacent the partition, on opposite sides of a plane through the rotor axes. Similarly, the lower pressure ports (15, 17) are on opposite sides of the plane through the rotor axes but adjacent the end walls. This arrangement reduces the loads on the bearings of the rotors.
摘要翻译： 多个螺杆式压缩机 - 膨胀机具有在其内部安装相互啮合的螺旋转子（11和12）的壳体（10）。 转子（11和12）在壳体的端壁中的轴承的每一端处被支撑。 壳体的内部被横向隔板（14）分成较长的压缩机部分（1）和较短的膨胀器部分（5）。 压缩机的高压端口（16,18）和膨胀机部分通过转子轴线在平面的相对侧上与隔板相邻。 类似地，低压端口（15,17）通过转子轴线在平面的相对侧上，但是在端壁附近。 这种布置减少了转子轴承上的负载。
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公开(公告)号：US20120312009A1
公开(公告)日：2012-12-13
申请号：US13474471
申请日：2012-05-17
摘要： A vapour power generating system including a closed circuit for a working fluid, and includes a heat exchanger assembly for heating the fluid under pressure with heat from the source, a separator for separating the vapour phase of the heated fluid from the liquid phase thereof, an expander for expanding the vapour to generate power, a condenser for condensing the outlet fluid from the expander, a feed pump for returning condensed fluid from the condenser to the heater and a return path for returning the liquid phase from the separator to the heater. The liquid phase of the working fluid contains a lubricant which lubricant is soluble or miscible in the liquid phase and a bearing supply path is arranged to deliver liquid phase pressurised by the feed pump to at least one bearing for a rotary element of the expander.
摘要翻译： 一种蒸汽发生系统，包括用于工作流体的闭合回路，并且包括用于在来自所述源的热量的压力下加热流体的热交换器组件，用于将加热流体的气相与其液相分离的分离器， 用于使蒸气膨胀以产生动力的冷凝器，用于冷凝来自膨胀器的出口流体的冷凝器，用于将冷凝流体从冷凝器返回到加热器的进料泵和用于将液相从分离器返回到加热器的返回路径。 工作流体的液相含有润滑剂，其润滑剂在液相中是可溶的或可混溶的，并且轴承供应路径被布置成将由进料泵加压的液相输送到用于膨胀器的旋转元件的至少一个轴承。
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公开(公告)号：US20090188253A1
公开(公告)日：2009-07-30
申请号：US11921836
申请日：2006-06-09
摘要： A vapour power generating system for generating power by using heat from a source of heat. The system has a closed circuit for a working fluid, and includes a heat exchanger assembly (1) for heating the fluid under pressure with heat from the source, a separator (8) for separating the vapour phase of the heated fluid from the liquid phase thereof, an expander (14) for expanding the vapour to generate power, a condenser (17) for condensing the outlet fluid from the expander (14), a feed pump (F) for returning condensed fluid from the condenser (17) to the heater and a return path for returning the liquid phase from the separator to the heater. The liquid phase of the working fluid contains a lubricant which lubricant is soluble or miscible in the liquid phase and a bearing supply path (21) is arranged to deliver liquid phase pressurised by the feed pump (F) to at least one bearing for a rotary element of the expander.
摘要翻译： 一种用于通过使用来自热源的热量来发电的蒸气发电系统。 该系统具有用于工作流体的闭合回路，并且包括一个热交换器组件（1），该热交换器组件用于在来自该源的热量的压力下加热该流体;一个分离器（8），用于将加热流体的气相与液相 用于使蒸汽膨胀以产生动力的膨胀器（14），用于冷凝来自膨胀器（14）的出口流体的冷凝器（17），用于将冷凝流体从冷凝器（17）返回到冷凝器 加热器和用于将液相从分离器返回到加热器的返回路径。 工作流体的液相含有润滑剂，其润滑剂在液相中是可溶的或可混溶的，并且轴承供给路径（21）布置成将由进料泵（F）加压的液相输送到至少一个旋转轴承 扩展器的元素。
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