Proportional Valve Assembly For Refrigerants

    公开(公告)号:US20240035721A1

    公开(公告)日:2024-02-01

    申请号:US18265301

    申请日:2021-10-13

    CPC classification number: F25B41/20 F16K11/044 F16K11/056

    Abstract: This disclosure relates to a proportional valve arrangement for refrigerant, with a valve housing having a valve body chamber, a valve body which is arranged within the valve body chamber and configured to be transferable between a first position and a second position. The valve housing includes a first sealing seat and a second sealing seat, and the valve body which is transferable between the first sealing seat and the second sealing seat.

    Multi-way valve as well as actuator comprising such a multi-way valve

    公开(公告)号:US10746064B2

    公开(公告)日:2020-08-18

    申请号:US16336946

    申请日:2017-09-25

    Applicant: FREEVALVE AB

    Abstract: A multi-way valve includes a control pressure channel, first and second control fluid channels, a valve body in the first and second control fluid channels, and an electrically controlled device having a drive member and an armature. The armature moves back and forth by the drive member between inactive and active positions. Movement of the armature from the inactive to the active position displaces the valve body arrangement to an active position, closing the first and opening the second control fluid channel is open. The electrically controlled device includes a drive body connected to the armature and a first spring member between the armature and the drive body. The valve body arrangement is biased towards the inactive position by a second spring member. The armature in the inactive position is biased towards the active position by a third spring member. Also disclosed is an actuator including the valve.

    Bypass valve for expansion machine

    公开(公告)号:US10704697B2

    公开(公告)日:2020-07-07

    申请号:US16336979

    申请日:2017-08-22

    Abstract: The invention relates to a bypass valve (1), in particular for an expansion machine (104) of a waste heat recovery system (100). The bypass valve (1) has a housing (2) with a valve chamber (9) formed therein. An inlet (3), an expander outlet (4) and a bypass outlet (5) are formed in the housing (2), which feed into the valve chamber (9). A closing element (6) is moveably arranged in the valve chamber (9). A valve seat (11) is formed on the housing (2). The closing element (6) cooperates with the valve seat (11) in order to open and close a first hydraulic connection from the inlet (3) to the expander outlet (4). A control valve (8) opens and closes a second hydraulic connection from the inlet (3) to the bypass outlet (5). The control valve (8) forms a first throttle point (21) in an open position. A second throttle point (22) is arranged between the valve chamber (9) and the bypass outlet (5). The control valve (8), the second throttle point (22) and the closing element (6) border a control chamber (9a). The first throttle point (21) has a greater flow cross-section than the second throttle point (22).

    MULTI-WAY VALVE AS WELL AS ACTUATOR COMPRISING SUCH A MULTI-WAY VALVE

    公开(公告)号:US20190264586A1

    公开(公告)日:2019-08-29

    申请号:US16336946

    申请日:2017-09-25

    Applicant: FREEVALVE AB

    Abstract: A multi-way valve includes a control pressure channel, first and second control fluid channels, a valve body in the first and second control fluid channels, and an electrically controlled device having a drive member and an armature. The armature moves back and forth by the drive member between inactive and active positions. Movement of the armature from the inactive to the active position displaces the valve body arrangement to an active position, closing the first and opening the second control fluid channel is open. The electrically controlled device includes a drive body connected to the armature and a first spring member between the armature and the drive body. The valve body arrangement is biased towards the inactive position by a second spring member. The armature in the inactive position is biased towards the active position by a third spring member. Also disclosed is an actuator including the valve.

    BALL VALVE AND MANUFACTURING METHOD
    5.
    发明申请

    公开(公告)号:US20190078692A1

    公开(公告)日:2019-03-14

    申请号:US16079845

    申请日:2017-02-23

    Abstract: A ball valve includes a valve body that delimits a sealing seat, a ball seat and at least three fluidic ducts that converge in the ball seat. A hollow ball is received in the ball seat and is movable to allow/prevent fluidic communication between the fluidic ducts. At least one of at least two sealing elements is placed into the sealing seat in abutment with the ball. Only one of the ducts acts as an introduction duct of the sealing element and of the hollow ball inside the valve body, to position the sealing element and hollow ball into their respective seats. A ball-compressing element delimits a further sealing seat to receive the other sealing element and is connected to the introduction duct of the valve body to press the element against the ball. A manufacturing method makes the ball valve.

    FAST SWITCHING 3/2 DIRECT OPERATED HYDRAULIC DIRECTIONAL CONTROL VALVE

    公开(公告)号:US20180087541A1

    公开(公告)日:2018-03-29

    申请号:US15563566

    申请日:2016-03-29

    Abstract: The new valve incorporates a poppet or spool that covers one of two ports at one position, and then switches to cover another port at a second position. In each of the two positions, it separates the covered port from a third port, and connects this third port with the uncovered port, and it reverses the connections at the second position. To ensure high speed of response, the poppet or spool has lowest possible mass and consequently inertia, it switches between the two positions in short stroke by the action of an actuator, and returns by the action of the liquid (or the gas in other applications) high pressure that could provide high displacing force, or by a spring, or by both. The high pressure is applied to two nearly equal areas at the two sides of the poppet or spool, and thus two merits are gained: the actuator force should overcome the force of the pressure applied only on a small differential area instead of a large area, and the poppet or spool thicknesses can be reduced to reduce the mass and consequently the inertia. As special case, two ports of the valve can be used instead of three, and the third one can be connected to a high pressure source to be used as pilot pressure for fast returning of the poppet. It could continuously connect or separate between any two ports at both working positions with any pattern of connections. The valve can be used to control pressurized gases in other industrial control applications in the same way it is used in hydraulic control systems, but with materials suitable for the application.

    SAFETY VALVE DEVICE
    7.
    发明申请
    SAFETY VALVE DEVICE 审中-公开
    安全阀装置

    公开(公告)号:US20170051839A1

    公开(公告)日:2017-02-23

    申请号:US15334792

    申请日:2016-10-26

    Inventor: Tilden C. Harris

    Abstract: A safety valve device as for use with a compressed gas cylinder and/or a control valve comprising a housing unit, a plug with controlled bleed off channels bored into the plug, an actuator, and an actuating rod, which is designed to engage in the event that a control valve is severed from a compressed gas cylinder, at least partially sealing the opening formed in the compressed gas cylinder from the severing of the control valve, and achieving a safer, controlled bleed off of the compressed gas contained therein.

    Abstract translation: 一种用于与压缩气瓶和/或控制阀一起使用的安全阀装置,包括壳体单元,具有被插入插塞中的受控泄放通道的塞子,致动器和致动杆,其被设计成接合 事件是控制阀从压缩气瓶切断,至少部分地密封压缩气瓶中形成的开口与控制阀的切断,并且实现其中包含的压缩气体的更安全的,受控的泄放。

    AUTOCLAVE CRYOGENIC ELECTROMAGNETIC VALVE FOR A SPACE LAUNCH VEHICLE
    10.
    发明申请
    AUTOCLAVE CRYOGENIC ELECTROMAGNETIC VALVE FOR A SPACE LAUNCH VEHICLE 有权
    AUTOCLAVE低温电磁阀用于空间启动车辆

    公开(公告)号:US20160341328A1

    公开(公告)日:2016-11-24

    申请号:US15150463

    申请日:2016-05-10

    CPC classification number: F16K31/062 F16K31/0637

    Abstract: The invention relates to an electromagnetic valve for distributing cryogenic propellant for a space launch vehicle. The valve comprises two seats each oriented in a direction opposite to the other seat; a passage connecting the seats; and two shutters opening and closing the seats. The valve also comprises a magnetic circuit with a magnetic coil and a magnetic plunger that is driven by the magnetic flux of the coil and which in turn drives the shutters relative to their respective seats so as to open and close the seats. The plunger is placed between the shutters such that each shutter closes its seat by moving the plunger away from the corresponding seat. The movement for opening a seat is performed by moving the plunger towards the seat so that it does not crush the shutters against their seats.

    Abstract translation: 本发明涉及用于空间运载火箭的用于分配低温推进剂的电磁阀。 阀门包括两个座,每个座椅沿与另一个座椅相反的方向定向; 连接座位的通道; 和两个百叶窗打开和关闭座位。 阀还包括具有磁性线圈的磁路和由线圈的磁通量驱动的磁性柱塞,并且其又相对于其相应的座位驱动百叶窗,以便打开和关闭座椅。 柱塞被放置在快门之间,使得每个活门通过将柱塞从相应的座位移开而关闭其座。 打开座椅的动作是通过将柱塞朝着座椅移动而实现的,使得它不会将百叶窗压在座位上。

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