公开(公告)号：US4968218A

公开(公告)日：1990-11-06

申请号：US412102

申请日：1989-09-25

申请人： Jorma Koivula ,  Timo Halkola ,  Reijo Nurminen

发明人： Jorma Koivula ,  Timo Halkola ,  Reijo Nurminen

IPC分类号： F04C18/16 ,  F04B49/02 ,  F04C20060101 ,  F04C28/00 ,  F04C28/24 ,  F04C29/00 ,  G05D16/20

CPC分类号： F04C28/24 ,  F04C2270/80

摘要： A method of controlling the air output of a screw compressor, wherein the average air output of the compressor during operation is adapted to air consumption by throttling the flow of suction air or by connecting the compressor alternately to full air output capacity and idle operation capacity. In order to reduce the power consumption of the compressor, the air output is controlled first by throttling the flow of suction air and by simultaneously measuring underpressure in the suction conduit of the compressor. Thereafter the compressor is controlled so as to operate alternately at full air output capacity and idle operation capacity, and the pressure rise rate in the air-pressure network is measured when the compressor operates at full output capacity and the pressure fall rate is measured when the compressor operates at idle operation capacity. The air consumption and the power consumption of the compressor with both ways of control at this particular air consumption level are calculated on the basis of the values so measured. Thereafter the compressor is connected to apply the control with the smaller power consumption.

摘要翻译： 一种控制螺杆式压缩机的空气输出的方法，其中在操作期间压缩机的平均空气输出适应于通过节流吸入空气的流量或通过将压缩机交替地连接到全空气输出能力和空转运行能力来消耗空气。 为了降低压缩机的功率消耗，首先通过节流吸入空气的流动并同时测量压缩机的吸入管道中的负压来控制空气输出。 此后，压缩机被控制成在全空气输出能力和怠速运行能力下交替工作，并且当压缩机在满输出容量下运行时测量空气压力网络中的压力上升速率，并且当 压缩机在空闲运行能力下运行。 基于这样测量的值计算在特定空气消耗水平下具有两种控制方式的压缩机的空气消耗和功率消耗。 此后，压缩机被连接以以较小的功耗施加控制。

公开(公告)号：US4758141A

公开(公告)日：1988-07-19

申请号：US059055

申请日：1987-06-08

申请人： Bernhard Radermacher

发明人： Bernhard Radermacher

IPC分类号： F02M37/04 ,  F04C20060101 ,  F04C2/344 ,  F04C15/00 ,  F04C15/06 ,  F16K15/14

CPC分类号： F04C15/068 ,  Y10T137/7848 ,  Y10T137/7891

摘要： A vane pump having a plurality of working chambers each of whose volume changes from a minimum to a maximum value and back again during one revolution, and wherein intake and delivery ports open axially into the working cells and are formed with cross sections adapted for fluid conveyance without internal compression. Such compression is achieved by a valve plate which forms a non-return and is formed with a resilient tongue valve which, commencing from the starting end of the delivery port controls, upon proper pump operation, about two-thirds of the cross section of the mouth of the delivery port.

摘要翻译： 叶片泵具有多个工作室，每个工作室的体积从最小值到最大值都变化，并且在一个转动期间再次返回，并且其中进入和输送端口轴向地开放到工作单元中并且形成有适于流体输送的横截面 没有内部压缩。 这种压缩是通过形成不回流的阀板实现的，并且形成有弹性舌阀，该弹簧舌阀从适当的泵操作时从输送口控制的起始端开始，大约是三分之二的横截面 输送口口。

公开(公告)号：US4627802A

公开(公告)日：1986-12-09

申请号：US681850

申请日：1984-12-11

申请人： Rudolph Draaisma ,  Werner Reichmann

发明人： Rudolph Draaisma ,  Werner Reichmann

IPC分类号： F04C29/00 ,  F04C20060101 ,  F04C18/00 ,  F04C18/02 ,  F04C18/344 ,  F04C23/00 ,  F04C29/12 ,  F16K31/12 ,  F04C29/08

CPC分类号： F04C29/124

摘要： A vane compressor comprising a rotor eccentrically arranged in a cylindrical housing and vanes, which define a space between the periphery of the rotor and the inner surface of the housing. The volume of the space varies during the rotation of the rotor due to the eccentricity of the rotor. The rotor (14) comprises inlet valves (19, 23) arranged between the inlet (12) of the compressor and the space (46) in order to open when the pressure in the space (46) is below the pressure at the inlet (12) in order to suck in air inside the space (46) during the intake stroke of the rotor. Moreover, the rotor comprises outlet valves (20, 24) arranged between the space and the outlet (48) of the compressor and adapted to open when the pressure in the space (46) exceeds the counter-pressure at the outlet (48) during the compression stroke. The inlet valves and the outlet valves are interconnected by a hydraulic system in such a way that the inlet valve (19, 23) at one side of the rotor is opened at the same time as the outlet valve (20, 24) is opened at the diametrically opposite side of the rotor.

摘要翻译： PCT No.PCT / SE84 / 00133 Sec。 371日期1984年12月11日第 102（e）日期1984年12月11日PCT提交1984年4月12日PCT公布。 出版物WO84 / 04137 日期：1984年10月25日。一种叶片式压缩机，包括偏心地布置在圆柱形壳体中的转子和叶片，其限定转子的周边和壳体的内表面之间的空间。 由于转子的偏心，转子的旋转体积变化。 转子（14）包括设置在压缩机的入口（12）和空间（46）之间的入口阀（19,23），以便当空间（46）中的压力低于入口处的压力 12），以便在转子的进气冲程期间吸入空间（46）内的空气。 此外，转子包括布置在压缩机的空间和出口（48）之间的出口阀（20,24），并且适于在空间（46）内的压力超过出口（48）处的反压力时打开， 压缩冲程。 入口阀和出口阀通过液压系统相互连接，使得转子一侧的入口阀（19,23）在出口阀（20,24）打开的同时打开 转子的直径相对侧。

公开(公告)号：US4549856A

公开(公告)日：1985-10-29

申请号：US585787

申请日：1984-03-02

申请人： John Cash ,  John A. Kitchener

发明人： John Cash ,  John A. Kitchener

IPC分类号： F04B39/00 ,  F04B49/00 ,  F04B49/08 ,  F04C20060101 ,  F04C18/16 ,  F04C28/06 ,  F04C28/24 ,  F16K31/12 ,  F16K31/385 ,  F04C29/08

CPC分类号： F04C28/24 ,  F04C28/06

摘要： A control valve configuration for a compressor system comprises a compressor receiving gas and liquid lubricant for compression and delivery to a separator where the compressed gas is separated from the liquid and passed to an end use with the liquid being recycled to through the compressor. The control valve configuration is arranged to control flow through the gas inlet to the compressor in response to demands of the compressor system and mechanisms are provided to supply pressurized gas to the inlet zone of the compressor upon the valve configuration moving towards a position preventing flow of gas to the compressor to thereby reduce vacuum conditions in the inlet zone thereby reducing transient noises associated with compressor operation and minimizing power consumption during no load operation.

摘要翻译： 用于压缩机系统的控制阀构造包括压缩机，接收用于压缩和输送到分离器的气体和液体润滑剂，其中压缩气体与液体分离，并被传递到最终用途，液体被再循环通过压缩机。 控制阀配置被布置成响应于压缩机系统的要求来控制通过压缩机的气体入口的流动，并且提供机构以在阀配置朝向防止流动的位置移动的位置处向压缩机的入口区域供应加压气体 从而减少入口区域中的真空条件，从而减少与压缩机操作相关联的瞬态噪声，并且在无负载操作期间最小化功率消耗。

公开(公告)号：US4338962A

公开(公告)日：1982-07-13

申请号：US177928

申请日：1980-08-13

申请人： John D. Turko ,  John D. Petro

发明人： John D. Turko ,  John D. Petro

IPC分类号： F15B11/00 ,  F04B49/10 ,  F04C20060101 ,  F15B13/02 ,  F16K20060101 ,  F15B13/04

CPC分类号： F15B13/02 ,  F04B49/10 ,  Y10T137/5109 ,  Y10T137/87861

摘要： A pump control valve and relief valve assembly are provided in the form of a valve housing having a main bore therethrough, a spool movable in said bore and having a pair of spaced annular grooves therein, a spaced relief bore in said housing, a pump chamber and a work chamber in said housing intersecting both bores, a pair of tank chambers, one on each opposite side of the pump and work chambers intersecting said main bore, said tank chamber adjacent the work chamber intersecting the relief bore, a tank bore connecting said tank chambers, an inlet return bore intersecting said tank chamber adjacent the work chamber, an inlet port connected to said relief bore and jump chamber and adapted to connect to a pump outlet port, a tank port connected to said tank bore, a pump inlet port and a return port connected to said inlet return bore, said pump inlet port adapted to connect to a pump inlet port and the return port adapted to be connected to a source of return fluid, and a combination check and relief valve assembly in the relief bore at the cylinder chamber acting as a check between the inlet port and work chamber and relieving excess pressure from said work chamber to said adjacent tank chamber.

摘要翻译： 泵控制阀和安全阀组件设置成具有通过其的主孔的阀壳体的形式，可在所述孔中移动并且在其中具有一对隔开的环形槽的阀芯，所述壳体中的间隔开的排气孔，泵室 并且所述壳体中的工作室与两个孔相交，一对罐室，在泵的每个相对侧上一个，与所述主孔相交的工作室，所述罐室相邻于与所述泄放孔相交的所述工作室， 罐室，与工作室相邻的所述罐室相交的入口返回孔，连接到所述泄放孔和跳跃室的入口端口，并适于连接到泵出口，连接到所述罐孔的罐口，泵入口 以及连接到所述入口返回孔的返回端口，所述泵入口适于连接到泵入口和适于连接到回流流体源的返回端口，以及组合ch eck和安全阀组件位于气缸室的释放孔中，用作入口和工作室之间的检查，并且将过剩的压力从所述工作室释放到所述相邻的罐室。

公开(公告)号：US3876349A

公开(公告)日：1975-04-08

申请号：US38958473

申请日：1973-08-20

申请人： ALFA LAVAL AB

发明人： SVENSSON SVEN HILDING

IPC分类号： F04C20060101 ,  F04C2/10 ,  F04C13/00 ,  F04C14/18 ,  F04C1/06

CPC分类号： F04C14/185 ,  F04C2/101 ,  F04C13/005

摘要： Means are provided to permit relative axial displacement between one of the two gear wheels and a wall of the pump chamber, whereby the sealing engagement between this wheel and wall is interrupted. A device is operable independently of above-normal pressure in the pump chamber to effect this displacement and thereby establish a free passage through the pump chamber.

公开(公告)号：US4566870A

公开(公告)日：1986-01-28

申请号：US527250

申请日：1983-08-29

申请人： Manfred Kahrs

发明人： Manfred Kahrs

IPC分类号： F04C20060101 ,  F04C2/344 ,  F04C14/22 ,  F01C21/16

CPC分类号： F04C14/223

摘要： In an adjustable vane-type pump, there is provided an idle stroke adjusting device for variation of the pre-compression. The device comprises a laterally arranged adjustable supporting element having a substantially planar supporting surface bearing against the curved supporting surface area of the cam ring. The plane of the supporting surface of the supporting element is inclined relative to the plane which is defined by the joint axis of the delivery-limiting device and the pressure-control device as well as by the rotor axis. The curved supporting surface area of the cam ring is formed by the cylindrical peripheral surface of the cam ring. By using this extremely straightforward idle stroke adjusting device, wherein the idle stroke adjustment changes in response to the output pressure and the flow rate, respectively, a more favorable noise emission over the entire operating range of the pump is accomplished.

摘要翻译： 在可调式叶片式泵中，提供了用于改变预压缩的怠速行程调节装置。 该装置包括横向布置的可调节支撑元件，其具有抵靠凸轮环的弯曲支撑表面区域的基本平坦的支撑表面。 支撑元件的支撑表面的平面相对于由输送限制装置和压力控制装置的关节轴线以及转子轴线限定的平面倾斜。 凸轮环的弯曲支撑表面区域由凸轮环的圆柱形周边表面形成。 通过使用这种非常简单的怠速行程调节装置，其中怠速行程调节分别响应于输出压力和流量而改变，在泵的整个操作范围内实现更有利的噪声发射。

公开(公告)号：US4253805A

公开(公告)日：1981-03-03

申请号：US24093

申请日：1979-03-26

申请人： Johannes Steinwart ,  Max Ruf

发明人： Johannes Steinwart ,  Max Ruf

IPC分类号： F04C29/12 ,  F04C20060101 ,  F04C2/00 ,  F04C28/16 ,  F04C29/00 ,  F16K11/02 ,  F16K15/14

CPC分类号： F04C29/126 ,  F04C28/16 ,  Y10T137/784 ,  Y10T137/7892

摘要： A rotary compressor includes a casing 1 having a curved rotor chamber 2 in which is mounted a rotor 6. The compressor has an outlet valve 10 consisting of two valve units 10a, 10b which are located on inclined support surfaces 12 and outlet passages 11 from the chamber 2 open into the surfaces 12. Each valve unit 10a, 10b consists of a valve seat 15, a valve plate 13 and a limit plate 14, the valve seat 15 having apertures which register with passages 11 and the valve plate 13 having apertures which are staggered from the apertures in the valve seat 15. The support surfaces 12 are positioned close to the chamber 2 so that the length of the passages is small and the "dead volume" between the chamber 2 and the valve plate 13 is reduced.

摘要翻译： 旋转压缩机包括具有弯曲转子室2的壳体1，其中安装有转子6.压缩机具有出口阀10，其由两个阀单元10a，10b组成，阀单元10a，10b位于倾斜支撑表面12和出口通道11上 腔室2打开到表面12.每个阀单元10a，10b由阀座15，阀板13和限位板14组成，阀座15具有与通道11对准的孔和具有孔的阀板13 与阀座15中的孔交错。支撑表面12靠近室2定位，使得通道的长度小，并且腔室2和阀板13之间的“死体积”减小。

公开(公告)号：US4212599A

公开(公告)日：1980-07-15

申请号：US934889

申请日：1978-08-18

申请人： Heinz Lantermann

发明人： Heinz Lantermann

IPC分类号： F04C28/00 ,  F04C20060101 ,  F04C28/24 ,  F04D27/02 ,  G05D7/00 ,  F04C29/10

CPC分类号： F04C28/24

摘要： A method of regulating the output quantity of compressed medium of single and multi-stage screw and turbo compressor systems, comprises, throttling the suction to the compressor systems with a throttling valve by fluid-pressure operation of the valve, sensing the pressure of the discharge of the compressor systems, closing the throttle valve in accordance with the pressure which is sensed and bleeding the medium after it is passed through the compressors and in a proportion to the pressure which is sensed and only after the throttling valve is moved through a proportional closing movement. The device for operating the compressor systems for regulating the quantity of medium includes a throttle valve in the suction having a valve member movable between opened and closed positions and with a control piston connected to the throttle valve to shift the valve member. A bleed valve has a passage connected to the discharge at one end and to the atmosphere at its opposite end, with valve seats in the passage closable by valve means which are connected to the control piston and movable in the passage toward and away from the valve seat means for opening and closing the passage. The valve and the valve seat means provide a lost motion connection to the control piston so that the control piston is movable to move the valve means in an opening direction to open the passage only after the throttle is moved in a closing direction to take up the lost motion connection.

摘要翻译： 一种调节单级和多级螺杆和涡轮压缩机系统的压缩介质输出量的方法，包括：通过阀的流体压力操作，通过节流阀将吸力节流到压缩机系统，感测排放压力 的压缩机系统，根据所检测的压力关闭节流阀，并且介质在其通过压缩机之后并且与所检测的压力成比例并且仅在节流阀通过比例关闭 运动。 用于操作用于调节介质量的压缩机系统的装置包括在抽吸中的节流阀，其具有可在打开和关闭位置之间移动的阀构件，以及连接到节流阀的控制活塞以移动阀构件。 泄放阀具有一端连接到排放口的通道，并且在其相对端处连接到大气，通道中的阀座可通过阀装置关闭，该阀装置连接到控制活塞并且可在通道中朝向和远离阀门移动 用于打开和关闭通道的座位装置。 阀和阀座装置提供到控制活塞的空动连接，使得控制活塞可移动以使阀装置沿打开方向移动，以便仅在节气门在关闭方向上移动以打开通道 迷失运动连接。

公开(公告)号：US4138204A

公开(公告)日：1979-02-06

申请号：US766315

申请日：1977-02-07

申请人： Raimundo S. Bruguera

发明人： Raimundo S. Bruguera

IPC分类号： F04B49/10 ,  F04C20060101 ,  F04C2/14 ,  F04C14/26

CPC分类号： F04C14/26

摘要： A gear pump which comprises a casing provided with an inlet port communicating with an intake chamber, and a delivering port communicating with a delivery chamber. A drive gear is mounted in meshing engagement with a driven gear, each gear being placed in a corresponding bore in the casing, the gears being placed in the flow path between the intake chamber and the delivering chamber.One of the gears contains a central bore with passages which connect the bore to the gaps between adjacent teeth of the gear. A spool is slidable in the central bore for controlling fluid communication through the passages and the movements of the spool are controlled by the pressure difference between the fluid pressure in the delivery chamber and an operating pressure in such a way that the spool is held in a closure position in which the communication through the passages remains blocked as long as the delivery of the pump remains below a given level corresponding to a predetermined pressure difference.

摘要翻译： 一种齿轮泵，包括设置有与进气室连通的入口的壳体和与输送室连通的输送口。 驱动齿轮安装成与从动齿轮啮合，每个齿轮被放置在壳体中相应的孔中，齿轮被放置在进气室和输送室之间的流动路径中。