公开(公告)号：US20160177951A1

公开(公告)日：2016-06-23

申请号：US14577624

申请日：2014-12-19

申请人： GHH-Rand Schraubenkompressoren Gmbh

发明人： Jan Hauser ,  Michael Beinert ,  Dieter Hutterman

IPC分类号： F04C27/00 ,  F16J15/00 ,  F04C18/16 ,  F16J15/447

CPC分类号： F04C18/16 ,  F04C15/003 ,  F04C15/0038 ,  F04C27/009 ,  F04C2240/50 ,  F04C2240/60 ,  F04C2240/605 ,  F16J15/4472

摘要： A sectional sealing system for water-spray type screw rotor compressor that is configured to prevent the intermixing of coolant and working fluid from a compression chamber with lubricant used to lubricate at least a bearing system of a rotor. The sealing system may include suction side and discharge side sealing portions that are positioned about first and second shafts, respectively, of the rotor. the suction side sealing portion may include a first seal, a first labyrinth seal, and a second labyrinth seal, the first seal being in proximity to a suction side of the compression chamber. The discharge side sealing portion may include a plurality of first seals, a second seal, a first labyrinth seal, and a second labyrinth seal, the plurality of first seals of the discharge side sealing portion being in proximity to a discharge side of the compression chamber.

摘要翻译： 一种用于喷水式螺杆转子压缩机的截面密封系统，其被构造成防止来自压缩室的冷却剂和工作流体与用于润滑至少一个转子的轴承系统的润滑剂的混合。 密封系统可以包括分别围绕转子的第一和第二轴定位的吸力侧和排出侧密封部。 吸入侧密封部可以包括第一密封件，第一迷宫式密封件和第二迷宫式密封件，第一密封件靠近压缩室的吸入侧。 排出侧密封部可以包括多个第一密封件，第二密封件，第一迷宫式密封件和第二迷宫式密封件，排出侧密封部分的多个第一密封件靠近压缩室的排放侧 。

公开(公告)号：US09334863B2

公开(公告)日：2016-05-10

申请号：US13514203

申请日：2010-11-23

申请人： Philip John Stephens ,  Ian David Stones ,  Malcolm William Gray ,  Paul David Neller

发明人： Philip John Stephens ,  Ian David Stones ,  Malcolm William Gray ,  Paul David Neller

IPC分类号： F04C25/02 ,  F04C23/00 ,  F04C27/00 ,  F04C27/02 ,  F04C29/00 ,  F04C28/02

CPC分类号： F04C25/02 ,  F04C23/001 ,  F04C27/009 ,  F04C27/02 ,  F04C28/02 ,  F04C29/0092 ,  F04C2220/12

摘要： A pump includes a plurality of pumping stages comprising a respective plurality of pumping mechanisms driven by one or more drive shafts for pumping fluid through the pumping stages from a pump inlet at a high vacuum stage to a pump outlet at a low vacuum stage; a lubrication chamber housing a bearing assembly for supporting the drive shaft for rotational movement, the drive shaft extending from the high vacuum stage to the lubrication chamber through an opening of a head plate of the lubrication chamber; an inter-stage purge port through which gas can enter the pump at an inter-stage location downstream of the high vacuum; a lubrication chamber purge port located in the lubrication chamber through which purge gas can flow from a source of purge gas; wherein the inter-stage port is connected to the lubrication chamber for controlling the pressure of purge gas in the lubrication chamber.

摘要翻译： 泵包括多个泵送级，包括由一个或多个驱动轴驱动的相应的多个泵送机构，用于将液体通过泵送级从高真空级的泵入口泵送到低真空级的泵出口; 润滑室，其容纳用于支撑用于旋转运动的驱动轴的轴承组件，所述驱动轴通过所述润滑室的头板的开口从所述高真空级延伸到所述润滑室; 一个跨级清洗口，气体可以在高真空下游的阶段位置进入泵; 位于所述润滑室中的润滑室吹扫口，吹扫气体可以通过所述润滑室从所述吹扫气体源流出; 其中所述级间端口连接到所述润滑室，用于控制所述润滑室中的吹扫气体的压力。

公开(公告)号：US09322403B2

公开(公告)日：2016-04-26

申请号：US14233597

申请日：2012-07-10

申请人： Youhei Nishide

发明人： Youhei Nishide

IPC分类号： F01C21/04 ,  F04C27/02 ,  F04C29/02 ,  F01C1/063 ,  F04B39/02 ,  F04C18/02 ,  F04C23/00 ,  F16C33/74 ,  F16C33/10 ,  F04C27/00

CPC分类号： F04C18/0215 ,  F04C23/008 ,  F04C27/009 ,  F04C29/02 ,  F04C29/023 ,  F04C2240/54 ,  F04C2240/56 ,  F04C2240/60 ,  F16C33/103 ,  F16C33/74 ,  F16C2360/42 ,  F16C2360/44

摘要： A compressor includes a compression mechanism, a drive shaft, a bearing, and an oil supply passage configured to supply lubrication oil to a clearance between the drive shaft and the bearing. The drive shaft includes a large-diameter shaft part supported by the bearing, and a small-diameter shaft part connected to a lower end part of the large-diameter shaft part. A sealing part is configured to reduced or prevent oil leakage from the bearing includes an oil receiving surface formed in the bearing housing so as to face a stepped surface formed at a boundary between the large-diameter shaft part and the small-diameter shaft part. A clearance is formed between the oil receiving surface and the stepped surface so as to surround an outer periphery of the small-diameter shaft part.

摘要翻译： 压缩机包括压缩机构，驱动轴，轴承和供油通道，其构造成将润滑油供应到驱动轴和轴承之间的间隙。 驱动轴包括由轴承支撑的大直径轴部和连接到大直径轴部的下端部的小直径轴部。 密封部被构造为减少或防止从轴承漏油，包括形成在轴承壳体中的油接收表面，以面对形成在大直径轴部分和小直径轴部分之间的边界处的台阶表面。 在油接受面和阶梯面之间形成有围绕小直径轴部的外周的间隙。

公开(公告)号：US09212659B2

公开(公告)日：2015-12-15

申请号：US14117039

申请日：2012-05-11

申请人： Paul Krampe ,  Thomas Hinners

发明人： Paul Krampe ,  Thomas Hinners

IPC分类号： F03C2/00 ,  F03C4/00 ,  F04C2/00 ,  F04C15/00 ,  F04C27/00 ,  F04C2/12 ,  F01C21/10

CPC分类号： F04C15/0026 ,  F01C21/108 ,  F04C2/126 ,  F04C15/0038 ,  F04C27/004 ,  F04C27/007 ,  F04C27/009 ,  F04C2210/24 ,  F16J15/4476

摘要： The invention relates to an apparatus for sealing a pump chamber of a rotary lobe pump vis-a-vis a fluid-free region of the rotary lobe pump, in particular in the region of a shaft duct, wherein the apparatus has two or more sealing elements, which can be disposed adjacent to a front side of a rotary piston disposed on a shaft in the pump chamber of the rotary lobe pump in such a way that a labyrinth gap extends between the sealing elements, said labyrinth gap being arranged in a radial direction relative to the shaft and in an axial direction in order to extend the seal land. According to the invention, the seal land is larger in a radial direction relative to the shaft than the seal land in an axial direction relative to the shaft.

摘要翻译： 本发明涉及一种用于密封旋转叶轮泵的泵室的装置，其特征在于在轴管道的区域中相对于旋转叶轮泵的无流体区域，其中该装置具有两个或更多个密封 元件，其可以设置在旋转活塞的前侧附近，旋转活塞的前侧设置在旋转凸轮泵的泵室中的轴上，使得迷宫间隙在密封元件之间延伸，所述迷宫间隙布置在径向 方向相对于轴并且在轴向方向上以便延伸密封区。 根据本发明，相对于轴的密封接合面在相对于轴的径向方向上比在轴向方向上的密封接合面相对于轴更大。

公开(公告)号：US20150260187A1

公开(公告)日：2015-09-17

申请号：US14428099

申请日：2012-09-14

申请人： Yasuaki Endo ,  Fumihiko Kaneko ,  Hironori Yamashita

发明人： Yasuaki Endo ,  Fumihiko Kaneko ,  Hironori Yamashita

IPC分类号： F04C27/00 ,  F04C29/02 ,  F04C29/12 ,  F04C18/16

CPC分类号： F04C27/009 ,  F04C18/16 ,  F04C29/021 ,  F04C29/026 ,  F04C29/12 ,  F16J15/002 ,  F16J15/164

摘要： In a housing 20 of an oil-cooled screw compressor 10, a separation gas supply path 59 through which separation gas is supplied to a separation gas supply gap 58 defined between a first seal unit and a second seal unit of a seal device 50, and a pressure balancing path 60 through which an area closer to a screw chamber 20a than the first seal unit in a discharge side seal chamber 20d communicates with a compression chamber at a pressure higher than an intake pressure and lower than a discharge pressure, are defined. A check valve 62 that restricts a flow of a fluid in a direction from the screw chamber 20a to the discharge side seal chamber 20d is disposed in the pressure balancing path 60.

摘要翻译： 在油冷螺杆式压缩机10的壳体20中，分离气体供给路径59通过分离气体供给路径59被供给到限定在密封装置50的第一密封单元和第二密封单元之间的分离气体供给间隙58，以及 定义了压力平衡路径60，排出侧密封室20d中的与第一密封单元相比更靠近螺旋室20a的区域通过该压力平衡路径60以比进气压力高于排出压力的压力与压缩室连通。 在压力平衡路径60中设置限制流体从螺旋室20a到排出侧密封室20d的流动的止回阀62。

公开(公告)号：US20150139844A1

公开(公告)日：2015-05-21

申请号：US14413204

申请日：2014-06-27

申请人： Masao Akei ,  Roy J. Doepker ,  Guangyong Zhou ,  Qingfeng Sun ,  Hongfei Shu

发明人： Masao Akei ,  Roy J. Doepker ,  Guangyong Zhou ,  Qingfeng Sun ,  Hongfei Shu

IPC分类号： F04C29/02 ,  F04C18/02

CPC分类号： F04C29/028 ,  F04C18/0207 ,  F04C18/0215 ,  F04C18/0253 ,  F04C18/0292 ,  F04C23/008 ,  F04C27/009 ,  F04C29/023 ,  F04C2240/806

摘要： A compressor (10) is provided and may include a shell (12), a main bearing housing (18) disposed within the shell (12), a driveshaft (16), a non-orbiting scroll member (24), and an orbiting scroll member (22). The driveshaft (16) may be supported by the main bearing housing (18). The non-orbiting scroll member (24) may be coupled to the main bearing housing (18) and may include a first lubricant supply path in fluid communication with a lubricant source. The orbiting scroll member (22) may be rotatably coupled to the driveshaft (16) and may be meshingly engaged with the non-orbiting scroll member (24). The orbiting scroll member (22) may include a recess (96) that is moved between a first position in fluid communication with the first lubricant supply path and a second position fluidly isolated from the first lubricant supply path.

摘要翻译： 一种压缩机（10），其可包括壳体（12），设置在壳体（12）内的主轴承壳体（18），驱动轴（16），非绕动涡旋件（24） 涡旋件（22）。 驱动轴（16）可以由主轴承壳体（18）支撑。 非绕动涡旋件（24）可以联接到主轴承壳体（18），并且可以包括与润滑剂源流体连通的第一润滑剂供应路径。 绕动涡旋构件（22）可以可旋转地联接到驱动轴（16）并且可以与非绕动涡旋构件（24）啮合地接合。 绕动涡旋构件（22）可以包括在与第一润滑剂供应路径流体连通的第一位置和与第一润滑剂供应路径流体隔离的第二位置之间移动的凹部（96）。

公开(公告)号：US20140127057A1

公开(公告)日：2014-05-08

申请号：US14233597

申请日：2012-07-10

申请人： Youhei Nishide

发明人： Youhei Nishide

IPC分类号： F04C18/02 ,  F04C29/02

CPC分类号： F04C18/0215 ,  F04C23/008 ,  F04C27/009 ,  F04C29/02 ,  F04C29/023 ,  F04C2240/54 ,  F04C2240/56 ,  F04C2240/60 ,  F16C33/103 ,  F16C33/74 ,  F16C2360/42 ,  F16C2360/44

摘要： A compressor includes a compression mechanism, a drive shaft, a bearing, and an oil supply passage configured to supply lubrication oil to a clearance between the drive shaft and the bearing. The drive shaft includes a large-diameter shaft part supported by the bearing, and a small-diameter shaft part connected to a lower end part of the large-diameter shaft part. A sealing part is configured to reduced or prevent oil leakage from the bearing includes an oil receiving surface formed in the bearing housing so as to face a stepped surface formed at a boundary between the large-diameter shaft part and the small-diameter shaft part. A clearance is formed between the oil receiving surface and the stepped surface so as to surround an outer periphery of the small-diameter shaft part.

摘要翻译： 压缩机包括压缩机构，驱动轴，轴承和供油通道，其构造成将润滑油供应到驱动轴和轴承之间的间隙。 驱动轴包括由轴承支撑的大直径轴部和连接到大直径轴部的下端部的小直径轴部。 密封部被构造为减少或防止从轴承漏油，包括形成在轴承壳体中的油接收表面，以面对形成在大直径轴部分和小直径轴部分之间的边界处的台阶表面。 在油接受面和阶梯面之间形成有围绕小直径轴部的外周的间隙。

公开(公告)号：US20140112815A1

公开(公告)日：2014-04-24

申请号：US14119858

申请日：2012-05-29

申请人： Soichi Kudara ,  Yasuhiro Niimura ,  Masami Nagayama

发明人： Soichi Kudara ,  Yasuhiro Niimura ,  Masami Nagayama

IPC分类号： F04C13/00 ,  F04C18/12

CPC分类号： F04C13/007 ,  F04C18/126 ,  F04C23/001 ,  F04C25/02 ,  F04C27/009 ,  F04C2220/12 ,  F04C2220/30 ,  F04C2220/40 ,  F04C2240/30 ,  F04C2280/02

摘要： A vacuum pump (10) includes a pump casing (56) having an inlet port (54a), an outlet port (54b), and pump chambers (50a-50f) defined therein, rotational shafts 60 having opposite ends rotatably supported by bearings (84a, 84b) on the pump casing (56) and extending longitudinally in the pump casing (56), and rotors (62a-62f) housed in the pump chambers (50a-50f) and coupled to the rotational shafts (60) for rotation in unison with the rotational shafts (60). The pump casing (56) has an atmosphere-vented compartment (52) defined therein which is held in fluid communication with the outlet port (54b) of the pump casing (56) and vented to the atmosphere.

摘要翻译： 真空泵（10）包括具有入口（54a），出口（54b）和限定在其中的泵室（50a-50f）的泵壳（56），具有由轴承可旋转地支撑的相对端的旋转轴60 84a，84b），并且在泵壳体（56）中纵向延伸，以及容纳在泵室（50a-50f）中并且联接到旋转轴（60）以旋转的转子（62a-62f） 与旋转轴（60）一致。 泵壳体（56）具有限定在其中的大气排放室（52），其与泵壳体（56）的出口（54b）保持流体连通并排放到大气中。

公开(公告)号：US20120251301A1

公开(公告)日：2012-10-04

申请号：US13435599

申请日：2012-03-30

申请人： Yusuke Nishimura ,  Kazuaki Higuchi ,  Satsuki Muraoka ,  Hiroki Kuwata

发明人： Yusuke Nishimura ,  Kazuaki Higuchi ,  Satsuki Muraoka ,  Hiroki Kuwata

IPC分类号： F04D29/08

CPC分类号： F04C18/0215 ,  F04C27/009 ,  F04C2240/50 ,  F16C2360/42

摘要： A front housing configuring a scroll compressor is provided in its shaft hole with a first bearing, and the front housing rotatably supports a rotation shaft. The first bearing includes a ball bearing having a plurality of balls. First and second seal rings and are provided between an outer ring fixed to the front housing and an inner ring which abuts against an outer peripheral surface of the rotation shaft. A first seal ring disposed on the side of one side surface of the outer ring is provided such that the first seal ring is in non-contact with the inner ring, and the second seal ring disposed on the side of the other side surface of the outer ring abuts against the inner ring.

摘要翻译： 构成涡旋压缩机的前壳体在其轴孔中设置有第一轴承，并且前壳体可旋转地支撑旋转轴。 第一轴承包括具有多个球的滚珠轴承。 第一和第二密封环，并且设置在固定到前壳体的外环和抵靠旋转轴的外周表面的内环之间。 设置在外圈的一个侧面侧的第一密封环设置成使得第一密封环与内圈不接触，并且第二密封环设置在外圈的另一侧表面 外圈抵靠内圈。

公开(公告)号：US20120003105A1

公开(公告)日：2012-01-05

申请号：US13170174

申请日：2011-06-27

申请人： Stéphane CROCHET

发明人： Stéphane CROCHET

IPC分类号： E21B43/12

CPC分类号： F04C25/02 ,  F01C19/005 ,  F04C18/12 ,  F04C27/009 ,  F04C29/021 ,  F04C29/028 ,  F04C2220/12 ,  F04C2240/809 ,  Y10S418/01

摘要： The invention pertains to a dry-type vacuum pump comprising: at least one pumping stage (2), at least one rotary shaft (3) supported by a lubricated support bearing (7a, 7b) at least one lubricant deflector (12) and one ring seal (13) mounted on the rotary shaft, the ring seal (13) being mounted between the lubricant deflector (12) and the pumping stage (2), the lubricant deflector being mounted between the lubricated support bearing (7a, 7b) and the ring seal, a first reservoir (28) containing a first reserve of liquid lubricant (16a), said first reservoir (28) being in communication with the lubricated support bearing (7a, 7b) in a first volume (V1), a lubricant splashing unit mounted on the rotary shaft (3) in the first reservoir (28), one end of the lubricant splashing unit being bathed in the first reserve of liquid lubricant (16a), The vacuum pump has a second reservoir (15) comprising a second reserve of liquid lubricant (16b), the second reservoir (15) being separated from the first reservoir (28) by a separation wall (20) having a communication aperture (34) that puts the first and the second reserves of liquid lubricant (16a, 16b) into communication. A lubricant return channel (17) having one inlet (18) situated so as to be facing said lubricant deflector (12) opens into the second volume (V2) of the second reservoir above the second reserve of liquid lubricant (16b).

摘要翻译： 本发明涉及一种干式真空泵，包括：至少一个泵送级（2），至少一个由润滑支承轴承（7a，7b）支撑的旋转轴（3），至少一个润滑油导流器（12）和一个 安装在旋转轴上的环形密封件（13），环形密封件（13）安装在润滑剂导流器（12）和泵送级（2）之间，润滑剂偏转器安装在润滑的支承轴承（7a，7b）和 所述环形密封件，包含第一储存液体润滑剂（16a）的第一储存器（28），所述第一储存器（28）在第一容积（V1）中与所述润滑的支承轴承（7a，7b）连通，润滑剂 飞溅单元安装在第一储存器（28）中的旋转轴（3）上，润滑剂飞溅单元的一端被沐浴在第一储备液体润滑剂（16a）中。真空泵具有第二储存器（15） 液体润滑剂的第二储备（16b），所述第二储存器（15）与所述液体润滑剂分离 第一储存器（28）通过具有连通孔（34）的分隔壁（20），所述连通孔（34）将第一和第二液体润滑剂储存器（16a，16b）置于连通状态。 具有位于面向所述润滑剂偏转器（12）的一个入口（18）的润滑油返回通道（17）通向第二储液器的第二容积（V2），在第二液体润滑剂储备（16b）之上。