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    UNLOADING DEVICE AND AIR COMPRESSOR
    1.
    发明公开
    UNLOADING DEVICE AND AIR COMPRESSOR 审中-公开

    公开(公告)号：EP4424993A1

    公开(公告)日：2024-09-04

    申请号：EP24160353.9

    申请日：2024-02-28

    Applicant: ZF Commercial Vehicle Systems (Qingdao) Co., Ltd.

    Inventor： Hao, Xiucheng ,  Yuan, Haiqiang

    IPC: F04B39/08 ,  F04B39/10 ,  F04B39/12 ,  F04B49/03

    CPC classification number: F04B39/1066 ,  F04B39/1073 ,  F04B39/123 ,  F04B39/125 ,  F04B49/03 ,  F04B39/08 ,  F04B39/106

    Abstract: The present invention relates to the technical field of air compressors, and provides an unloading device and an air compressor. The unloading device is applied to an air compressor including a plurality of cylinders, and includes: a plurality of unloading valves, each unloading valve movably covering an unloading hole of one cylinder; an unloading cavity in communication with the unloading hole; an intake cavity in communication with the unloading cavity; and a piston member connected to the plurality of unloading valves by means of a shift fork. In an unloading state, the piston member is capable of driving, by means of the shift fork, the unloading valve to move to uncover the unloading hole, so that air in the plurality of cylinders circulates back and forth through the unloading cavity to make the air compressor enter the unloading state, and the air compressor maintains an optimal unloading state by using the intake cavity in communication with the unloading cavity. According to the present invention, the unloading device drives, by means of the shift fork, the plurality of unloading valves to move by using one piston member, so as to control the unloading holes of the plurality of cylinders. According to the present invention, the unloading device has a simple structure and can synchronously control the unloading states of the plurality of cylinders.

    PERSONAL AIR SAMPLING PUMP ASSEMBLY
    7.
    发明公开
    PERSONAL AIR SAMPLING PUMP ASSEMBLY 审中-公开
    个人空气采样泵总成

    公开(公告)号：EP3289220A1

    公开(公告)日：2018-03-07

    申请号：EP16786954.4

    申请日：2016-04-22

    Applicant: Ideal Industries, Inc.

    Inventor： TRAINER, Brandon ,  TEARLE, Steve ,  QURESHI, Aamir

    IPC: F04B43/02 ,  F04B43/04 ,  F04B43/067

    CPC classification number: F04B45/04 ,  F04B39/0027 ,  F04B39/005 ,  F04B39/0055 ,  F04B39/0072 ,  F04B39/121 ,  F04B39/123 ,  F04B39/125 ,  F04B45/047 ,  F04B53/109

    Abstract: A personal air sampling pump assembly includes a motor having a reciprocating piston for operating a diaphragm assembly. The diaphragm includes a valve head including a fluid inlet and a fluid outlet and a fluid chamber defining a fluid path between the inlet and outlet. A first and second diaphragm sealing engaging the valve head and enclosing the fluid chamber. The first diaphragm includes a piston diaphragm membrane portion coupled to the piston for reciprocating with the piston and wherein reciprocation of the piston causes a change in air pressure within the fluid chamber to cause air to move from the fluid inlet toward the fluid outlet. Both the first and second diaphragms include a damper membrane portion, which cooperate to reduce an amplitude of pulsation in the airflow at the fluid inlet and fluid outlet.

    HEAD FASTENING ARRANGEMENT OF COOLING COMPRESSOR
    8.
    发明公开
    HEAD FASTENING ARRANGEMENT OF COOLING COMPRESSOR 审中-公开
    冷却压缩机的头部紧固装置

    公开(公告)号：EP3258108A1

    公开(公告)日：2017-12-20

    申请号：EP17174777.7

    申请日：2017-06-07

    Applicant: Whirlpool S.A.

    Inventor： De Andrade, Daniel Lacerda ,  Sacomori, Diego ,  Castro, Mattias da Silva ,  Pereira, Alexandre de Assis

    IPC: F04B39/12 ,  F04B39/14

    CPC classification number: F04B53/007 ,  F04B39/12 ,  F04B39/125 ,  F04B39/14 ,  F04B53/14 ,  F04B53/162

    Abstract: The present invention belongs to the technological field of the head fastening and its components to the block of a compressor, such as those used in cooling systems of household appliances. The head fastening arrangement of cooling compressor comprises: a head arranged by the cylinder (3) of the cooling compressor and having a head lid (2); at least one supporting device (4) also arranged by the cylinder (3); at least one element of union (6) of the head lid (2) to the supporting device (4), wherein the element of union (6) is capable of transmitting force that presses the head lid (2) and the supporting device (4) against the cylinder (3).

    Abstract translation: 本发明属于头部固定的技术领域及其与压缩机的部件相关的部件，例如用于家用电器的冷却系统的部件。 冷却压缩机的头部紧固装置包括：由冷却压缩机的缸体（3）布置并具有头盖（2）的头部; 至少一个支撑装置（4），所述支撑装置（4）也由所述缸体（3）布置; （6）的至少一个元件连接到所述支撑装置（4），其中所述连接件（6）的所述元件能够传递按压所述头盖（2）和所述支撑装置（4）的力 4）抵靠圆柱体（3）。

    IMPROVED AIR COMPRESSOR
    10.
    发明公开
    IMPROVED AIR COMPRESSOR 审中-公开
    改进的空气压缩机

    公开(公告)号：EP3196463A1

    公开(公告)日：2017-07-26

    申请号：EP17152495.2

    申请日：2017-01-20

    Applicant: Chou, Wen-San

    Inventor： Chou, Wen-San

    IPC: F04B39/10

    CPC classification number: F04B39/1073 ,  F04B39/125 ,  F04B41/02

    Abstract: An improved air compressor includes a cylinder (2) fitted with a piston body (14), a main frame (11) for mounting a motor (12), and an air storage container (3). The cylinder (2) defines a plurality of exit holes (4, 5, 6)(43, 53, 63) regulated by a control mechanism including a resilient sheet (7)(8)(9) having a root (70)(80)(90) and a plurality branches (72, 73, 74)(82, 83, 84)(92, 93, 94) corresponding to the exit holes. The root and branches of the resilient sheet are individually attached to a top wall (21) of the cylinder (2) at separate points, so that each of the branches can be individually moved by the compressed air produced in the cylinder (2) to open or close the corresponding exit hole without affecting movements of the other branches, so that the piston body (14) can conduct reciprocating motion more smoothly, and thus the performance of the air compressor can be increased.

    Abstract translation: 一种改进的空气压缩机包括装配有活塞体（14）的缸体（2），用于安装马达（12）的主框架（11）以及空气存储容器（3）。 圆柱体（2）限定由控制机构调节的多个出口孔（4,5,6）（43,53,63），所述控制机构包括具有根部（70）的弹性片（7）（8）（9） （90）和对应于所述出口孔的多个分支（72,73,74）（82,83,84）（92,93,94）。 弹性片的根部和分支分别在分开的点处连接到圆筒（2）的顶壁（21），使得每个分支可以通过在圆筒（2）中产生的压缩空气单独移动到 可以在不影响其他分支运动的情况下打开或关闭相应的出口孔，从而使得活塞体（14）能够更平稳地进行往复运动，从而可以提高空气压缩机的性能。

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