AXIAL VALVE
    11.
    发明申请
    AXIAL VALVE 审中-公开
    轴阀

    公开(公告)号:WO2016202635A1

    公开(公告)日:2016-12-22

    申请号:PCT/EP2016/062859

    申请日:2016-06-07

    Applicant: DANFOSS A/S

    CPC classification number: F16K1/12 F16K31/408

    Abstract: The invention relates to an axial valve (1, 41, 59, 74) comprising a housing (2), an inlet (3), an outlet (4), a main valve (9, 75) and a pilot valve (18, 42, 61, 76). The opening and closing of the main valve (9, 75) is controlled by actuating the pilot valve (18, 42, 61, 76). The pilot valve (18, 42, 61, 76), comprises a pilot valve element (19, 46, 66, 77) and an armature (24, 83). The main valve (9, 75) comprises a main closing element (10, 52, 64). The object of the invention is to provide an axial valve with a cheaper and less complicated construction. To this end, the pilot valve element (19, 46, 66, 77) is arranged displaceable inside the armature (24, 83) and the armature's relative position to the main closing element (10, 52, 64) is fixed.

    Abstract translation: 本发明涉及一种包括壳体(2),入口(3),出口(4),主阀(9,75)和先导阀(18)的轴向阀(1,41,59,74) 42,61,76)。 通过致动先导阀(18,42,61,76)来控制主阀(9,75)的打开和关闭。 先导阀(18,42,61,76)包括先导阀元件(19,46,66,77)和电枢(24,83)。 主阀(9,75)包括主关闭元件(10,52,64)。 本发明的目的是提供一种具有便宜且较不复杂结构的轴向阀。 为此,先导阀元件(19,46,66,77)被布置成在电枢(24,83)内移动,并且电枢与主闭合元件(10,52,64)的相对位置是固定的。

    AXIAL VALVE
    13.
    发明公开
    AXIAL VALVE 审中-公开
    AXIALVENTIL

    公开(公告)号:EP3106726A1

    公开(公告)日:2016-12-21

    申请号:EP15172074.5

    申请日:2015-06-15

    Applicant: Danfoss A/S

    Abstract: The invention relates to an axial valve (1, 41, 59, 74) comprising a housing (2), an inlet (3), an outlet (4), a main valve (9, 75) and a pilot valve (18, 42, 61, 76). The opening and closing of the main valve (9, 75) is controlled by actuating the pilot valve (18, 42, 61, 76). The pilot valve (18, 42, 61, 76), comprises a pilot valve element (19, 46, 66, 77) and an armature (24, 83). The main valve (9, 75) comprises a main closing element (10, 52, 64). The object of the invention is to provide an axial valve with a cheaper and less complicated construction. To this end, the pilot valve element (19, 46, 66, 77) is arranged displaceable inside the armature (24, 83) and the armature's relative position to the main closing element (10, 52, 64) is fixed.

    Abstract translation: 本发明涉及一种包括壳体(2),入口(3),出口(4),主阀(9,75)和先导阀(18)的轴向阀(1,41,59,74) 42,61,76)。 通过致动先导阀(18,42,61,76)来控制主阀(9,75)的打开和关闭。 先导阀(18,42,61,76)包括先导阀元件(19,46,66,77)和电枢(24,83)。 主阀(9,75)包括主闭合元件(10,52,64)。 本发明的目的是提供一种具有便宜且较不复杂结构的轴向阀。 为此,先导阀元件(19,46,66,77)被布置成可在电枢(24,83)内移动并且衔铁与主闭合元件(10,52,64)的相对位置是固定的。

    FOUR-WAY VALVE FOR A HEAT-PUMP ARRANGEMENT AND HEAT-PUMP ARRANGEMENT

    公开(公告)号:WO2023073077A1

    公开(公告)日:2023-05-04

    申请号:PCT/EP2022/080028

    申请日:2022-10-26

    Applicant: DANFOSS A/S

    Inventor: VAN BEEK, Johan

    Abstract: The present invention pertains to a four-way valve for a heat-pump arrangement. The valve comprises a housing with four fluid connection ports, a rotatable valve element for switching the connections between the fluid connection ports, an actuator for rotating the valve element and sensor components on a low pressure side and a high pressure side of the valve for measuring properties of the fluid inside the housing. The invention is also directed at a heat-pump arrangement comprising a corresponding four-way valve and a housing for a four-way valve.

    FOUR-WAY REVERSING VALVE FOR A HIGH CAPACITY REVERSIBLE HEAT PUMP COMPRESSOR

    公开(公告)号:WO2023275398A1

    公开(公告)日:2023-01-05

    申请号:PCT/EP2022/068351

    申请日:2022-07-01

    Applicant: DANFOSS A/S

    Abstract: The present invention pertains to a four-way reversing valve for a high capacity reversible heat pump compressor. The valve comprises a housing with four ports, namely a discharge port, a suction port, an evaporator port and a condenser port. It further comprises a conically shaped rotor provided rotatably inside the housing for varying flow paths between the four ports, wherein a large diameter face of the rotor comprises two separated openings, wherein a first opening fluidly connects the large diameter face to a small diameter face of the rotor via a first fluid conduit and a second opening fluidly connects the large diameter face to a radially outer portion of the rotor via a second fluid conduit. The invention also pertains to a set comprising two or more four-way reversing valves.

    COMMON UNIT FOR REFRIGERANT GAS HANDLING SYSTEM

    公开(公告)号:WO2021037970A1

    公开(公告)日:2021-03-04

    申请号:PCT/EP2020/073956

    申请日:2020-08-27

    Applicant: DANFOSS A/S

    Abstract: A common unit (10) for a refrigerant gas handling system (1) is described, the common unit (10) comprising an accumulator (4), a check valve (11), and a reversing valve (3). The check valve (11) and the reversing valve (3) are arranged together in a first area and the accumulator (4) is arranged in a second area. Such a system should achieve a good efficiency and a high reliability. To this end, the reversing valve (3) is connected to an actuator, wherein the actuator is arranged in the second area as well.

    SENSING OF A VAPOR QUALITY
    17.
    发明申请

    公开(公告)号:WO2020109214A1

    公开(公告)日:2020-06-04

    申请号:PCT/EP2019/082381

    申请日:2019-11-25

    Applicant: DANFOSS A/S

    Abstract: The invention relates to a sensor arrangement for providing a sensor signal S indicative of a vapor quality X of a medium flowing within a conduit (38a). A sensor comprising a heating element and a temperature sensing element is arranged in thermal contact with a wall of a horizontally arranged portion (38a) of the conduit (34). Processing means are disposed to deliver a sensor signal S based on an output of the temperature sensing element (52).The sensor (40) comprises a sensor body (46) made of a metal material. The heating element (48) and the temperature sensing element (52) are arranged in thermal contact with the sensor body (46). The invention further relates to a cooling system (10) including at least one evaporator (32) for evaporating an ammonia refrigerant, at least one compressor (12) arranged to compress the evaporated refrigerant, and at least one condenser (18) for condensing the compressed refrigerant, and at least one evaporator pump (30) for pumping the condensed refrigerant to the evaporator (32). A sensor arrangement (50) is arranged at a conduit (34) conducting the refrigerant from at least a portion of the evaporator (32).

    VALVE ARRANGEMENT FOR AN OPERATION MODE SELECTOR

    公开(公告)号:WO2019115555A1

    公开(公告)日:2019-06-20

    申请号:PCT/EP2018/084415

    申请日:2018-12-11

    Applicant: DANFOSS A/S

    CPC classification number: F16K27/003 F16K11/24 F16K31/408 F24F1/32

    Abstract: A valve arrangement (1) for an operation mode selector is described, the valve arrangement comprising at least two valve modules (2), each of the valve modules comprising a housing section (3), a first mode selector valve (9) connecting a discharge conduit (7) and an evaporator conduit (19) and a second mode selector valve (10) connecting a suction conduit (8) and the evaporator conduit, the first mode selector valve and the second mode selector valve being connected by the housing section, and the valve modules being arranged side by side in a direction parallel to the discharge conduit and/or the suction conduit, wherein the evaporator conduit extends from the housing section in an area which is limited by a first plane (34) through the discharge conduit and a second plane (35) through the suction conduit and parallel to the first plane, and wherein the discharge conduit and the suction conduit are common for all of the valve modules. Such a valve arrangement should be made compact. To this end, for each valve module, the housing section is part of a housing, the housing comprising a discharge port (4), a suction port (5), and an evaporator port (6), wherein the discharge port is connected to the discharge conduit, and wherein the suction port is connected to the suction conduit.

    EXPANSION VALVE AND VAPOUR COMPRESSION SYSTEM
    19.
    发明申请
    EXPANSION VALVE AND VAPOUR COMPRESSION SYSTEM 审中-公开
    膨胀阀和蒸气压缩系统

    公开(公告)号:WO2017063902A1

    公开(公告)日:2017-04-20

    申请号:PCT/EP2016/073432

    申请日:2016-09-30

    Applicant: DANFOSS A/S

    CPC classification number: F25B41/062 F25B2341/0651 Y02B30/72

    Abstract: An expansion valve (2) for a vapour compression system (1) and a vapour compression system (1) are disclosed. The expansion valve (1) comprises a valve element (9), a valve seat (13) as well as a biasing member (12). The valve element (9) and the valve seat (13) are arranged in a first fluid passage (6) of the expansion valve (2). The expansion valve (2) further comprises a shape memory alloy actuator (17) that exerts a force on the valve element towards an open valve position when the shape memory alloy actuator is heated by an electric current. The object of the invention is to provide an expansion valve for a vapour compression system of the above type that maybe controlled externally but is also self-regulating. To this end the shape memory alloy actuator (17) is arranged in a second fluid passage (7) of the expansion valve (2), wherein the shape memory alloy actuator (17) is arranged to be in thermal contact with the fluid in the second fluid passage (7), such that the shape memory alloy actuator also actuates the valve element (9) towards a closed valve position when the shape memory actuator (17) is cooled by the fluid in the second fluid passage (7).

    Abstract translation: 公开了一种用于蒸气压缩系统(1)和蒸气压缩系统(1)的膨胀阀(2)。 膨胀阀(1)包括阀元件(9),阀座(13)以及偏置构件(12)。 阀元件(9)和阀座(13)布置在膨胀阀(2)的第一流体通道(6)中。 膨胀阀(2)还包括形状记忆合金促动器(17),当形状记忆合金促动器被电流加热时,​​形状记忆合金促动器(17)朝着打开的阀位置施加作用在阀元件上的力。 本发明的目的是提供一种用于上述类型的蒸汽压缩系统的膨胀阀,其可以在外部进行控制,但也是自我调节的。 为此,形状记忆合金致动器(17)布置在膨胀阀(2)的第二流体通道(7)中,其中形状记忆合金致动器(17)布置成与 当形状记忆致动器17被第二流体通道7中的流体冷却时,形状记忆合金致动器也朝向闭合的阀位置致动阀元件9。 / p>

Patent Agency Ranking