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    Door closer
    42.
    发明授权
    Door closer 失效
    闭门器

    公开(公告)号：US4999872A

    公开(公告)日：1991-03-19

    申请号：US473902

    申请日：1990-02-02

    Applicant: Dietrich Jentsch

    Inventor： Dietrich Jentsch

    IPC: E05F3/10 ,  E05F3/12 ,  F16F9/48

    CPC classification number: E05F3/102 ,  E05F3/12 ,  E05Y2201/20 ,  E05Y2201/254 ,  E05Y2800/22 ,  E05Y2900/132 ,  Y10S16/09 ,  Y10S16/21 ,  Y10T16/2788 ,  Y10T16/2804

    Abstract: A door closer wherein a housing defines a fluid-containing space for a reciprocable damping piston which divides the space into a first and a second compartment. The piston carries a check valve which is closed during movement of the piston in a first direction while the door panel is being opened and which is open when the piston moves in the opposite direction. A channel is provided in the housing to permit fluid to flow from the first compartment into the second compartment during a first stage of movement of the piston in the first direction. The check valve has a body which defines a passage for the flow of fluid between the compartments and is surrounded by a seat having one or more grooves which are only partially overlapped by a spherical or non-spherical valving element during movement of the piston in the first direction to thus establish a relatively small path for the flow of fluid between the compartments, at least during a second stage of movement of the piston in the first direction, such second stage following the first stage. Springs in that compartment from which fluid is expelled during movement of the piston in the first direction oppose such movement of the piston, and an additional spring can be provided to bias the valving element against its seat.

    Abstract translation: 一种闭门器，其中壳体限定用于可往复运动的阻尼活塞的流体容纳空间，其将空间分成第一和第二隔室。 活塞承载止回阀，该止回阀在活塞沿第一方向移动期间关闭，同时门板打开并且当活塞沿相反方向移动时打开。 在壳体中设置通道，以允许流体在活塞沿第一方向运动的第一阶段期间从第一隔室流入第二隔间。 止回阀具有一个主体，该主体限定了用于隔室之间的流体流动的通道，并且被具有一个或多个凹槽的座围绕，所述凹槽在活塞运动期间仅在球形或非球形阀元件中部分重叠 第一方向，从而建立至少在活塞沿第一方向移动的第二阶段期间，在第一阶段之后的第二阶段，用于流体在隔室之间流动的相对小的路径。 活塞在第一方向的移动过程中流体被排出的弹簧与活塞的这种移动相反，并且可以提供附加的弹簧以将阀元件偏置抵靠其座。

    Door closer incorporating self-cleaning and temperature compensating flow control valve
    43.
    发明授权
    Door closer incorporating self-cleaning and temperature compensating flow control valve 失效
    配有自清洁和温度补偿流量控制阀的闭门器

    公开(公告)号：US4573238A

    公开(公告)日：1986-03-04

    申请号：US628384

    申请日：1984-07-06

    Applicant: Douglas C. Phillips

    Inventor： Douglas C. Phillips

    IPC: E05F3/10 ,  E05F3/12 ,  E05F1/08

    CPC classification number: E05F3/102 ,  E05F3/12 ,  E05Y2201/20 ,  E05Y2201/232 ,  E05Y2201/458 ,  E05Y2900/132 ,  Y10S16/21 ,  Y10T137/7848 ,  Y10T16/577

    Abstract: A door closer device comprises a body defining an internal chamber in which a piston is slidably received, the chamber, in use, containing hydraulic fluid. A valve is arranged in a passage in the body to permit the fluid to flow through the passage in both directions between spaces in the chamber at respective opposite sides of the piston. The valve has a first part axially adjustable along the passage and a valve member attached to said first part but movable axially relative thereto in the passage between extreme positions where it engages respective stop means on the first member, the valve member allowing fluid to flow unrestricted through an orifice at one end of the passage in one direction when in one of its said extreme positions, and at the other extreme position restricting flow through said orifice in the opposite direction. Preferably the valve member is made of a material having a greater co-efficient of expansion than the material of the body containing said passage, so that expansion or contraction of the valve member with temperature changes enables a more constant door closing speed to be obtained by increasing or decreasing the size of the orifice as the viscosity of the hydraulic fluid also changes with temperature changes.

    Abstract translation: 闭门器装置包括限定内部腔室的主体，活塞在其中可滑动地接收，所述腔室在使用中包含液压流体。 阀体布置在主体中的通道中，以允许流体在活塞的相应相对侧处在腔室中的空间之间沿两个方向流过通道。 所述阀具有沿所述通道可轴向调节的第一部分和附接到所述第一部分的阀构件，但是在所述通道中在所述第一部件之间的通道中可轴向移动，所述阀构件与所述第一构件上的相应止动装置接合，所述阀构件允许流体不受限制地流动 当在其一个所述极限位置时在一个方向上的通道的一端处的孔口，以及限制在相反方向上流过所述孔口的另一极限位置。 优选地，阀构件由具有比包含所述通道的主体的材料更大的膨胀系数的材料制成，使得具有温度变化的阀构件的膨胀或收缩使得能够通过以下方式获得更恒定的门关闭速度： 当液压油的粘度也随温度变化而变化时，增加或减小孔口的尺寸。

    Ball check valve
    44.
    发明授权
    Ball check valve 失效
    球止回阀

    公开(公告)号：US4197875A

    公开(公告)日：1980-04-15

    申请号：US906582

    申请日：1978-05-16

    Applicant: Robert J. Schieferstein ,  Enrique L. Kilayko

    Inventor： Robert J. Schieferstein ,  Enrique L. Kilayko

    IPC: F16K15/04

    CPC classification number: F16K15/04 ,  E05Y2201/20 ,  E05Y2201/234 ,  E05Y2201/458 ,  Y10T137/791 ,  Y10T137/7927

    Abstract: A ball check valve is described having a fluid port, a ball moveable toward and away from the port, a seating surface surrounding the port and an elastomeric sealing element. The seating surface has a conical annular surface extending radially outwardly away from the ball and an annular ridge between the port and the conical surface. The sealing element has an outer sealing surface for contacting the conical seating surface and an annular groove for receiving the seating surface ridge. On its ball side, it has an annular outer surface and an inner sealing surface for contacting the ball. A sealing element retainer contacts the outer portion of the elastomeric sealing element outer surface on its ball side to hold it in position.

    Abstract translation: 描述了一种球止回阀，其具有流体端口，可朝向和远离端口移动的球，围绕端口的就座表面和弹性密封元件。 座面具有径向向外延伸远离球的圆锥形环形表面和端口与锥形表面之间的环形脊。 密封元件具有用于接触锥形座表面的外部密封表面和用于接纳座面脊的环形槽。 在其球侧，其具有用于接触球的环形外表面和内密封表面。 密封元件保持器接触其球侧上的弹性密封元件外表面的外部部分以将其保持在适当位置。

    Temperature compensating hydraulic door closer
    45.
    发明授权
    Temperature compensating hydraulic door closer 失效
    温度补偿液压闭门器

    公开(公告)号：US4148111A

    公开(公告)日：1979-04-10

    申请号：US856133

    申请日：1977-11-30

    Applicant: Sideny Lieberman

    Inventor： Sideny Lieberman

    IPC: E05F3/10 ,  E05F3/12 ,  E05F3/04

    CPC classification number: E05F3/102 ,  E05F3/12 ,  E05Y2201/20 ,  E05Y2201/232 ,  E05Y2201/254 ,  E05Y2201/458 ,  E05Y2800/414 ,  E05Y2900/132 ,  Y10T16/2793 ,  Y10T16/62

    Abstract: Hydraulic door closer apparatus comprises a cylinder, a piston disposed in the cylinder, linkage means coupled to the piston for transmitting forces between the piston and a door, and a hydraulic circuit for controlling movement of the piston in the cylinder. A temprature responsive control element is provided in the hydraulic circuit to alter the characteristics of the circuit in response to changes in ambient temperature or temperature of the fluid within the closer.

    Abstract translation: 液压闭门器装置包括一个气缸，设置在气缸中的活塞，联接到活塞上的连杆机构，用于传递活塞和门之间的力;液压回路，用于控制活塞在气缸中的移动。 温度响应控制元件设置在液压回路中以根据环境温度或更靠近内的流体温度的变化来改变回路的特性。

    Totally enclosed door check
    46.
    发明授权
    Totally enclosed door check 失效
    全封闭门检查

    公开(公告)号：US3979790A

    公开(公告)日：1976-09-14

    申请号：US619725

    申请日：1975-10-06

    Applicant: Ralph F. Chiarappa

    Inventor： Ralph F. Chiarappa

    IPC: E05F3/04 ,  E05F3/12

    CPC classification number: E05F3/04 ,  E05F3/12 ,  E05Y2201/20 ,  E05Y2201/254 ,  E05Y2900/132 ,  Y10T16/62

    Abstract: A check assembly using compressible fluid for linearly dampening the closing movement of a door includes a cylindrical, hollow housing having a cavity defined therein with first and second ends. Slidably mounted within the cavity and attached to the door is a piston of substantially the same cross-sectional area as the cavity. The piston has flap-type, relief check valves allowing free passage of compressible fluid through the piston only during motion of the piston in the door opening mode. The check assembly further includes longitudinal grooves fabricated circumferentially around the cavity and of a dimension such that the seal of the piston against the cavity wall is broken at different points during movement of the piston allowing compressible fluid to flow from one side of the piston to the other. Finally, the check assembly includes a fluid bypass continuously communicating compressible fluid from one end of the cavity to the other thereby defining a closed loop system. The bypass includes a variable orifice comprising an orifice and a needle valve such that the rate of fluid flow through the bypass may be adjusted to allow the same assembly to be used with doors of different weights and to compensate for linkage wear.

    Abstract translation: 使用可压缩流体用于线性阻尼门的关闭运动的检查组件包括圆柱形中空壳体，其具有限定在其中的空腔，其具有第一端和第二端。 可滑动地安装在腔内并附接到门上的是具有与空腔基本相同的横截面面积的活塞。 活塞具有襟翼式止回阀，允许可压缩流体仅在活塞在门打开模式下运动时通过活塞。 检查组件还包括围绕腔体周向制造的纵向凹槽，并且具有尺寸，使得活塞抵靠空腔壁的密封件在活塞运动期间在不同点处被破坏，允许可压缩流体从活塞的一侧流向 其他。 最后，检查组件包括流体旁路，其将可压缩流体从空腔的一端连续地连通到另一端，从而限定闭环系统。 旁路包括包括孔口和针阀的可变孔口，使得可以调节通过旁路的流体流速，以允许相同的组件与不同重量的门一起使用并补偿连杆磨损。

    Door closing mechanism with fluid brake
    47.
    发明授权
    Door closing mechanism with fluid brake 失效
    具有流体制动器的门关闭​​机构

    公开(公告)号：US3714677A

    公开(公告)日：1973-02-06

    申请号：US3714677D

    申请日：1971-02-24

    Applicant: SCHMID J

    Inventor： SCHMID J

    IPC: E05F3/10 ,  E05F3/04 ,  E05F3/14

    CPC classification number: E05F3/102 ,  E05Y2201/20 ,  E05Y2201/254 ,  E05Y2201/492 ,  E05Y2800/22 ,  E05Y2900/132 ,  Y10T16/2766 ,  Y10T16/2804 ,  Y10T16/593 ,  Y10T16/625

    Abstract: THERE IS DISCLOSED A DOOR CLOSING MECHANISM OF THE TYPE INCORPORATING A FLUID BRAKE, AND UTILIZING A PISTON MEMBER WHICH IS DISPLACEABLE BY MEANS OF AT LEAST ONE HELICAL SPRING, A ROTATABLE ROD BEING LOCATED WITHIN SUCH HELICAL SPRING. SEPARATE ADJUSTMENT MEANS ARE PROVIDED FOR THE PURPOSE OF ENABLING THE HELICAL SPRING TO BE ADJUSTABLY POSITIONED ALONG THE ROD. ACCORDING TO AN IMPORTANT ASPECT OF THE INVENTION THE ADJUSTMENT MEANS
    COMPRISES AT LEAST ONE SUPPORT MEANS, FOR INSTANCE IN THE FORM OF A SUPPORT PIN, FOR THE SPRING, THIS SUPPORT PIN EXTENDING BETWEEN THE WINDINGS OF THE HELICAL SPRING.

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