公开(公告)号：US06547544B2

公开(公告)日：2003-04-15

申请号：US10241778

申请日：2002-09-12

Applicant: Mototaka Esumi ,  Osamu Aiba ,  Shuichi Yamamoto

Inventor： Mototaka Esumi ,  Osamu Aiba ,  Shuichi Yamamoto

IPC: F04C1500

CPC classification number: F01C21/10 ,  F01C21/08 ,  F04C18/3564 ,  F04C23/008 ,  F04C29/02 ,  F04C2210/14 ,  F04C2210/26 ,  F05C2201/0442

Abstract: The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester oil or ether oil is used as freezer oil. Sliding member of the compressor includes both a portion made of aluminum material and a portion made of iron material. Therefore, it is possible to realize a compressor having excellent wear resistance and high reliability.

公开(公告)号：US06655937B2

公开(公告)日：2003-12-02

申请号：US10130362

申请日：2002-10-07

Applicant: Wolfram Hasert ,  Leonardo Cadeddu ,  Monica Pilone

Inventor： Wolfram Hasert ,  Leonardo Cadeddu ,  Monica Pilone

IPC: F04C1500

CPC classification number: F01C21/0881 ,  F04C18/3442

Abstract: A vane cell vacuum pump has a rotor, in which a plastic vane, which with at least terminal part engages the inner wall of the jacket of a pump housing, is guided longitudinally. The body of the vane comprises a duroplastic and is united with the terminal part, of thermoplastic by an injection-molding operation. With the material comprising the body, high mechanical strength is attained, while with the material of the terminal part, high wear resistance and a low coefficient of friction are attained.

Abstract translation: 叶片式电池​​真空泵具有转子，其中至少端子部分与泵壳体的护套的内壁接合的塑料叶片被纵向地引导。 叶片的主体包括硬脂，并通过注射成型操作与热塑性塑料的末端部分结合。 利用包含本体的材料，可获得高的机械强度，同时端子部件的材料具有高的耐磨性和低的摩擦系数。

公开(公告)号：US06616432B2

公开(公告)日：2003-09-09

申请号：US10040856

申请日：2001-12-28

Applicant: Gerald S. Szczepanski ,  Jonathan M. Adler

Inventor： Gerald S. Szczepanski ,  Jonathan M. Adler

IPC: F04C1500

CPC classification number: F04C2/16 ,  F04C2/082 ,  F16H57/0423 ,  F16H57/0495 ,  Y10T74/19991

Abstract: A fluid pump cowling for attachment to at least a pair of helical drivetrain gears having teeth and lands. The cowling has a pair of sidewalls adapted to extend at least partially over the lands of a first of the pair of drivetrain gears and a curved sump wall extending between the sidewalls that corresponds generally to the outermost circumference of the first gear. A sump channel is defined between the sidewalls on the sump wall adjacent a distal end of the sump wall. The sump channel has a generally frustoconical shape and leads to a fluid outlet opening defined in one of the sidewalls. The cowling is positioned such that the teeth of the pair of helical gears mesh in an area in fluid communication with the sump channel to create an area of high fluid pressure upon rotational movement of the gears with a fluid.

Abstract translation: 用于连接至至少一对具有齿和平台的螺旋传动系齿轮的流体泵罩。 整流罩具有一对侧壁，其适于至少部分地延伸到一对传动系齿轮中的第一传动齿轮的平台上，以及在侧壁之间延伸的弯曲的贮槽壁，该侧壁大致对应于第一齿轮的最外周。 在与储槽壁的远端相邻的贮槽壁上的侧壁之间限定有槽通道。 贮槽通道具有大致截头圆锥形状并且导致在侧壁之一中限定的流体出口开口。 整流罩定位成使得一对斜齿轮的齿啮合在与贮槽通道流体连通的区域中，以在具有流体的齿轮旋转运动时形成高流体压力的区域。

公开(公告)号：US06190149B1

公开(公告)日：2001-02-20

申请号：US09294647

申请日：1999-04-19

Applicant: Jay Richman

Inventor： Jay Richman

IPC: F04C1500

CPC classification number: F04C29/126 ,  F04C2/102 ,  F04C18/344 ,  F04C18/356 ,  F04C29/025

Abstract: An oil distribution system for machinery such as a vacuum pump is disclosed. The system features an auxiliary oil pump integrally mounted adjacent to one end of the vacuum pump's drive shaft. The drive shaft drives the oil pump and has a longitudinal passage extending substantially along its length in communication with the outlet from the oil pump. Oil ports, positioned at points along the drive shaft adjacent to bearings supporting the drive shaft, extend from the passage. Lubricating oil, drawn from a reservoir by the oil pump, is pumped into the passage. The oil exits the passage via the oil ports and lubricates the bearings. The oil passes into the pump cylinder where it provides an oil seal between the piston and cylinder wall. Either a rotary vane pump or a gerotor-type pump is preferred as the auxiliary oil pump.

Abstract translation: 公开了一种真空泵等机械配油系统。 该系统具有与真空泵的驱动轴的一端相邻一体地安装的辅助油泵。 驱动轴驱动油泵并且具有基本上沿其长度延伸的纵向通道，该纵向通道与油泵的出口连通。 油口位于驱动轴附近的支撑驱动轴的轴承处，从通道延伸。 由油泵从油箱抽出的润滑油被泵入通道。 油通过油口离开通道并润滑轴承。 油进入泵缸，在缸体中提供活塞和气缸壁之间的油封。 作为辅助油泵，优选旋转叶片泵或齿轮式泵。

公开(公告)号：US06743004B2

公开(公告)日：2004-06-01

申请号：US10211509

申请日：2002-08-02

Applicant: Dieter Otto

Inventor： Dieter Otto

IPC: F04C1500

CPC classification number: F01C21/08 ,  F04C18/3442 ,  F04C29/005 ,  F04C29/0071 ,  F16B2200/50 ,  Y10T403/68 ,  Y10T403/7003

Abstract: A vacuum pump, in particular for brake booster systems in motor vehicles, with a drivable rotor via which a blade in a housing can be set in rotation is proposed. The vacuum pump is distinguished by the fact that the rotor consists of plastic and is formed as one piece.

Abstract translation: 一种真空泵，特别是用于机动车辆中的制动助力器系统，其具有可驱动的转子，通过该转子可将壳体中的刀片设置为旋转。 真空泵的特征在于转子由塑料构成，并且形成为一体。

公开(公告)号：US06659749B2

公开(公告)日：2003-12-09

申请号：US10053890

申请日：2002-01-17

Applicant: Mototaka Esumi ,  Osamu Aiba ,  Shuichi Yamamoto

Inventor： Mototaka Esumi ,  Osamu Aiba ,  Shuichi Yamamoto

IPC: F04C1500

CPC classification number: F01C21/10 ,  F01C21/08 ,  F04C18/3564 ,  F04C23/008 ,  F04C29/02 ,  F04C2210/14 ,  F04C2210/26 ,  F05C2201/0442

Abstract: The present invention provides a hermetic or open compressor for hydrocarbon refrigerant having high reliability. According to the present invention, in the compressor using hydrocarbon as refrigerant, synthetic oil such as polyalkylene glycol oil, ester oil or ether oil is used as freezer oil. Sliding member of the compressor includes both a portion made of aluminum material and a portion made of iron material. Therefore, it is possible to realize a compressor having excellent wear resistance and high reliability.

公开(公告)号：US06425748B1

公开(公告)日：2002-07-30

申请号：US09821989

申请日：2001-04-02

Applicant: John P. Miller

Inventor： John P. Miller

IPC: F04C1500

CPC classification number: F04C15/0049

Abstract: A positive displacement rotary pump including a housing having an internal chamber and inlet and discharge ports, a sealing land on the housing between a downstream end of the inlet port and an upstream end of the discharge port, and a rotating group in the internal chamber defining a plurality of pump chambers. The pump chambers traverse in succession and at regular intervals the inlet port and the sealing land and the discharge port. The housing has a stationary pre-charging passage which communicates with the discharge port and overlaps the sealing land. The rotating group includes a plurality of rotating pre-charging passages which communicate with respective ones of the pump chambers. As each rotating pre-charging passage attains overlap with the stationary pre-charging passage, the low pressure of the fluid trapped in the corresponding pump chamber sealed closed in the sealing land increases rapidly and induces a pulse in the fluid in the discharge port and in the fluid system connected to the discharge port. The angular separation between the rotating pre-charging passages is randomly unequal so that the intervals between pulses are irregular. The irregular intervals between the pulses suppresses tonal pump noise.

Abstract translation: 一种容积式旋转泵，包括具有内部腔室和入口和排出口的壳体，在所述壳体上的所述入口端口的下游端和所述排出口的上游端之间的密封区域以及所述内部腔室中的旋转组件， 多个泵室。 泵室依次间隔地进入入口和密封区域以及排出口。 壳体具有与排出口连通并与密封平台重叠的静止预充通道。 旋转组包括与相应的泵室连通的多个旋转预充气通道。 当每个旋转的预充电通道与固定预充电通道重叠时，在密封区域中密封封闭的相应泵室内的流体的低压快速增加并且在排出口中的流体中引起脉冲 流体系统连接到排放口。 旋转预充电通道之间的角度间隔是随机不等的，因此脉冲之间的间隔是不规则的。 脉冲之间的不规则间隔抑制音调泵噪声。

公开(公告)号：US06413064B1

公开(公告)日：2002-07-02

申请号：US09762789

申请日：2001-02-13

Applicant: Willi Parsch ,  Dirk Webert

Inventor： Willi Parsch ,  Dirk Webert

IPC: F04C1500

CPC classification number: F04C15/0046 ,  F04C15/062

Abstract: A rotary vane pump for delivering a fluid, having a delivery device accommodated in a casing (2), a casing cover (3) arranged on one end face, and optionally with a bearing flange (4) adjoining the casing (2) on the side opposite to the casing cover (3). A seal (5,6) is arranged between the casing (2) and the casing cover (3) and optionally between the casing (2) and the bearing flange (4), and the seal (5,6) is inserted into a groove (8,9) formed in the casing cover (3), and optionally in the bearing flange (4), and/or in the respective end face (7) of casing (2). Also a leakage path (13) for the fluid extends between a delivery side (11) and suction side (12). The leakage path (13) extends on the inner side (14) of the seal at least in sections parallel to the seal (5,6).

Abstract translation: 一种用于输送流体的旋转叶片泵，其具有容纳在壳体（2）中的输送装置，布置在一个端面上的壳体盖（3），以及可选地具有与壳体（2）相邻的轴承凸缘（4） （3）相对的一侧。 密封件（5,6）设置在壳体（2）和壳体盖（3）之间，并且可选地位于壳体（2）和轴承凸缘（4）之间，并且密封件（5,6）插入到 形成在壳体盖（3）中的凹槽（8,9），以及可选地在轴承凸缘（4）中和/或壳体（2）的相应端面（7）中。 此外，用于流体的泄漏路径（13）在输送侧（11）和吸力侧（12）之间延伸。 泄漏路径（13）至少在与密封件（5,6）平行的部分上在密封件的内侧（14）上延伸。

公开(公告)号：US06352419B1

公开(公告)日：2002-03-05

申请号：US09675334

申请日：2000-09-28

Applicant: Nicholas Vernon Thompson ,  Jason Kyle Reuther ,  James Michael Mayer

Inventor： Nicholas Vernon Thompson ,  Jason Kyle Reuther ,  James Michael Mayer

IPC: F04C1500

CPC classification number: F04C15/0038 ,  F04C2/101 ,  Y10T29/49236 ,  Y10T29/49242 ,  Y10T29/49826

Abstract: An improved internal gear pump design is provided whereby the head plate includes a groove located vertically above the crescent for providing improved axial feed to the roots or innermost spaces between the idler teeth. The design of the pump also includes a stepped shaft design whereby the radius of the shaft immediately adjacent to the rotor is greater than an adjacent outboard section of the shaft. As a result, a chamber for housing the seal assembly is defined as the space between the stepped shaft portion, the annular seal plate, the outboard section of the shaft that has a lesser or reduced diameter, and the casing. The casing may also include a recess for providing sufficient space for the seal assembly. The larger section of the shaft is accommodated in a bushing mounted to the inside surface of the casing. The inside diameter of the bushing is large enough to accommodate the larger stepped portion of the shaft as well as the outside diameter of the seal assembly. As a result, the seal assembly may be pre-mounted onto its respective section of the drive shaft prior to the insertion of the drive shaft through the pump chamber.

Abstract translation: 提供了一种改进的内齿轮泵设计，其中头板包括位于月牙上方垂直上方的槽，用于提供改进的轴向进给到根部或惰轮之间的最内空间。 泵的设计还包括阶梯轴设计，由此与转子紧邻的轴的半径大于轴的相邻外侧部分。 结果，用于容纳密封组件的腔室被定义为阶梯轴部分，环形密封板，具有较小或直径减小的轴的外侧部分与壳体之间的空间。 壳体还可以包括用于为密封组件提供足够空间的凹部。 轴的较大部分容纳在安装到壳体的内表面的衬套中。 衬套的内径足够大以容纳轴的较大阶梯部分以及密封组件的外径。 结果，在将驱动轴插入泵室之前，密封组件可以预先安装到驱动轴的相应部分上。

公开(公告)号：US06325604B1

公开(公告)日：2001-12-04

申请号：US09538059

申请日：2000-03-29

Applicant: Benjamin R. Du

Inventor： Benjamin R. Du

IPC: F04C1500

CPC classification number: F04C2/082 ,  F04C2/086 ,  F05C2225/00

Abstract: A gear pump comprising a plastic gear pump housing having an interior surface. Rotatably attached to the gear pump housing is a drive gear and an idler gear. The idler gear is cooperatively engaged to the drive gear such that rotation of the drive gear will rotate the idler gear. The gear pump housing is formed from plastic such that the interior surface thereof is sized to contact the drive gear and the idler gear. Accordingly, the contact between the idler gear and the drive gear with the interior of the plastic gear pump housing forms a seal therebetween which is used for the pumping of fluid by the gear pump.

Abstract translation: 一种齿轮泵，包括具有内表面的塑料齿轮泵壳体。 可旋转地连接到齿轮泵壳体上是驱动齿轮和惰轮。 空转齿轮配合地接合到驱动齿轮，使得驱动齿轮的旋转将使空转齿轮旋转。 齿轮泵壳体由塑料形成，使得其内表面的尺寸适于接触驱动齿轮和空转齿轮。 因此，惰轮和具有塑料齿轮泵壳体内部的驱动齿轮之间的接触在其间形成密封，用于通过齿轮泵泵送流体。