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    • 5. 发明专利
    • Capacity control valve
    • 容量控制阀
    • JP2005069072A
    • 2005-03-17
    • JP2003298332
    • 2003-08-22
    • Eagle Ind Co LtdSanden Corpイーグル工業株式会社サンデン株式会社
    • KAMIMURA KUNISUKEIWA TOSHIAKISHIRAI KATSUYASHIRAFUJI KEIGOTAGUCHI YUKIHIKO
    • F04B49/00F04B27/14F04B27/18
    • F04B27/1804F04B2027/1827F04B2027/1854F04B2027/1859
    • PROBLEM TO BE SOLVED: To provide a capacity control valve smoothly controlling the discharge capacity of a variable capacity compressor. SOLUTION: This capacity control valve is designed so that a tube 212 having an inside into which operation fluid is led to flow is arranged in a solenoid section having an electromagnetic coil 213. A movable iron core, that is, a plunger 208 is movably fitted to the tube, and a solenoid rod section 209 is connected to the plunger, and also a fixed iron core 207 having an inside hole 207a through which the solenoid rod section is passed is arranged opposite to the plunger. In the capacity control valve, a control fluid passing hole 203a is opened/closed by a valve element 206 interlocked with an operating rod 206a connected to the solenoid rod section, and also communicating passages 208a, 208g, 208h passing the operating fluid to both sides are arranged in the plunger. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供容量控制阀平滑地控制可变容量压缩机的排出容量。 解决方案:该容量控制阀被设计成使得具有内部的管212被引导到工作流体流动,在具有电磁线圈213的螺线管部分中布置。可动铁芯,即柱塞208 可动地安装在管上,并且螺线管杆部分209连接到柱塞,并且具有内螺纹杆部分通过的内孔207a的固定铁芯207布置成与柱塞相对。 在容量控制阀中,控制流体通过孔203a由与连接到螺线管杆部的操作杆206a联锁的阀元件206打开/关闭,以及将工作流体通过两侧的连通通道208a,208g,208h 布置在柱塞中。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明公开
    • CAPACITY CONTROL VALVE
    • 阀用于控制能力
    • EP2952741A4
    • 2016-09-21
    • EP14745603
    • 2014-01-29
    • EAGLE IND CO LTD
    • HIGASHIDOZONO HIDEKISHIRAFUJI KEIGOKANZAKI TOSHINORI
    • F04B27/14B60H1/32F16K31/06
    • F16K31/0624F04B27/1804F04B2027/1813F04B2027/1827F04B2027/1831F04B2027/1845F04B2027/1854Y10T137/86485
    • The object of the present invention is to significantly improve a function for discharging a liquid refrigerant in a control chamber at the time of start-up of a variable capacity compressor by moving a center post and increasing the area of a passage for discharging the liquid refrigerant when discharging the liquid refrigerant. The present invention is characterized by including: a first valve chamber formed in the middle of the discharge-side passages 31, 32, 33; suction-side passages for providing communication between a suction chamber for sucking the fluid and the control chamber; a second valve chamber 36 and a third valve chamber 38 formed in the middle of the suction-side passages; a solenoid 60 for exerting an electromagnetic driving force for controlling a valving element 40, and in which a suction-side passage opening/closing means has a third valve portion 43 for opening and closing the suction-side passages 33, 32, 34 by receiving the pressure of the control chamber in the third valve chamber 38, and a second valve portion 42 for opening and closing the suction-side passages by receiving the electromagnetic driving force in the second valve chamber 36, and a center post 64 which is a constituent member of the solenoid is provided movably in the axial direction in such a manner that one end face thereof is opposed to the second valve portion 42, and the center post 64 is driven to the direction away from the second valve portion 42 and controlled so that the distance between the second valve portion 42 is increased when discharging the liquid refrigerant.
    • 9. 发明专利
    • AT541127T
    • 2012-01-15
    • AT04818532
    • 2004-11-12
    • EAGLE IND CO LTD
    • UEMURA NORIOIWA TOSHIAKISHIRAI KATSUYASHIRAFUJI KEIGO
    • F04B27/18
    • A capacity control valve enabling an increase in control fluid control accuracy by preventing the connection part of a solenoid rod part to the operating rod thereof from being wom and reducing the coefficient of friction between a movable core and the operating rod. The capacity control valve(1) comprises a tube(33) installed in a solenoid part(30),the movable core having, on an outer peripheral surface(32A) fitted to the tube(33), a sliding surface(32A1) and a non-contact peripheral surface(32A2) smaller in diameter than the sliding surface(32A) and formed so that the axial length(L1-L2) of the non-contact peripheral surface(32A2), a solenoid rod part(2D) joined to the movable core and having a connection face(2D1) at the end part thereof, and the operating rod(2) having a connection part(2E) engaged with the connection face(2D1) of the solenoid rod part(2D) and having a valve element(3) opening/closing a control fluid passing hole(14). The connection face(2D1) of the solenoid rod part(2D) and the connection part(2E) of the operating rod(2) are so formed that one thereof is formed in a recessed conical face(2D1B) having a bottom face (2D1A) and the other is formed in a projected conical part(2E2) having a truncated face(2E1).