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    • 2. 发明申请
    • PRESSURE BALANCED GAS INJECTION VALVE
    • 压力平衡气体注入阀
    • WO1998026168A1
    • 1998-06-18
    • PCT/AU1997000842
    • 1997-12-11
    • GOYEN CONTROLS CO. PTY. LTD.UPHAM, Ronda, GaiUPHAM, John, DillonLYMER, Gary, Keith
    • GOYEN CONTROLS CO. PTY. LTD.UPHAM, Ronda, Gai
    • F02D19/02
    • F16K31/0693F02M21/0212F02M21/0239F02M21/0242F02M21/0254F02M21/0257F16K31/0696Y02T10/32
    • The valve (2) includes a main valve body (4) and an electromagnetic actuator (5). Valve body (4) defines an inlet chamber (65) with a radial inlet port (54) and an outlet chamber (67) with a radial outlet port (56). Valve means in the form of a generally tubular valve stem (6) projects from the valve body (2) into the actuator (5). The valve stem (6) is moved to open the valve by energising actuator (5). Two separate flow paths are defined between inlet chamber (65) and outlet chamber (67). The first is a direct annular passage (71) about the valve stem (6). The other flow path is via the interior (18) of hollow tubular valve stem (6) and an annular third chamber (70) defined by a valve insert (68). Interior passage (18) of valve stem (6) communicates respectively with inlet chamber (65) and third chamber (70) by respective rings of ports (16, 14) in the valve stem (6). The arrangement is such that the static pressure in the third chamber (70) communicated from inlet chamber (65) via ports (16), passage (18) and ports (14) acts on flange (20) and an adjacent portion of valve sealing ring (28) in the opposite direction to that of the pressure in inlet chamber (65) on flange (26) and sealing ring (30), whereby the static fluid pressure in the third chamber opposes the action on the valve stem (6) of the static fluid pressure in the inlet chamber, when the valve is closed. This arrangement is effective to reduce the force required to move the valve stem (6) when opening the valve (2) by energising actuator (5).
    • 阀(2)包括主阀体(4)和电磁致动器(5)。 阀体(4)限定具有径向入口(54)和具有径向出口(56)的出口室(67)的入口室(65)。 大致管状的阀杆(6)形式的阀装置从阀体(2)突出到致动器(5)中。 通过激励致动器(5),使阀杆(6)移动以打开阀门。 在入口室(65)和出口室(67)之间限定两个独立的流动路径。 第一个是围绕阀杆(6)的直接环形通道(71)。 另一个流动路径是经由中空管状阀杆(6)的内部(18)和由阀芯(68)限定的环形第三腔室(70)。 阀杆(6)的内部通道(18)通过阀杆(6)中的相应的端口(16,14)环分别与入口室(65)和第三室(70)连通。 该布置使得从入口室(65)经由端口(16),通道(18)和端口(14)连通的第三室(70)中的静压力作用在凸缘(20)上并且阀的密封的相邻部分 环(28)的方向与法兰(26)和密封环(30)上的入口室(65)中的压力相反,由此第三室中的静态流体压力与阀杆(6)上的作用相反, 当阀关闭时,入口室中的静态流体压力。 这种布置有效地减小当通过激励致动器(5)打开阀门(2)时移动阀杆(6)所需的力。
    • 4. 发明申请
    • BAG HOUSE CLEANING SYSTEMS
    • 袋子清洁系统
    • WO1995006509A1
    • 1995-03-09
    • PCT/AU1994000520
    • 1994-09-01
    • GOYEN CONTROLS CO. PTY. LTD.
    • GOYEN CONTROLS CO. PTY. LTD.ELLIOTT, Jeffrey, A.
    • B01D46/02
    • B01D46/04B01D46/0068B01D46/4272B01D46/4281
    • A reverse pulse cleaning system for use in a bag house filter including a blow tube (2) having outlet holes (3) to direct high velocity air pulses into filter bags to be cleaned. The system includes a nozzle (1) which may be an assemblage of parts, which has a control formation at or in between an inlet or outlet of the nozzle. The control formation determines the characteristics such as velocity and direction of the flow emergent from the outlet holes (3) and can improve uniformity and effectiveness of filter bag cleaning. A clampable and releaseable fixing of the nozzle (1) to the blow tube allows replacement of the control formation with one of different characteristics during manufacturing or in situ fine tuning. The fixing allows precise alignment of nozzles (1) on assembly which reduces the need for costly precision in forming the blow tube outlet holes (3). The system may include a tube (9) forming part of the nozzle with adjustable radial holes (13) to induce secondary air into the cleaning flow and may include a venturi (10) to induce tertiary air.
    • 一种用于袋式过滤器的反向脉冲清洁系统,包括具有出口孔(3)的吹管(3),以将高速空气脉冲引导到待清洁的过滤袋中。 该系统包括喷嘴(1),其可以是部件的组合,其在喷嘴的入口或出口之间或之间具有控制结构。 控制结构确定出口孔(3)流出的流速和方向等特性,可提高过滤袋清洗的均匀性和有效性。 喷嘴(1)的可夹紧和可松开的固定到吹塑管允许在制造或原位微调期间用不同特性之一替换控制结构。 该固定允许喷嘴(1)在组装时精确对准,这减少了形成吹管出口孔(3)的昂贵精度的需要。 系统可以包括形成喷嘴的一部分的管(9),其具有可调节的径向孔(13),以将二次空气引入清洁流中,并且可以包括用于诱发三次空气的文丘里管(10)。