公开(公告)号：WO2020127062A1

公开(公告)日：2020-06-25

申请号：PCT/EP2019/085364

申请日：2019-12-16

Applicant: DANFOSS A/S

Inventor： LARSEN, Sigurd ,  HARCK, Kurt ,  KRISTENSEN, Søren Sottrup ,  REESE, Birthe Nissen ,  VAGNSHOLDT, Charlotte Vibeke Pingel

IPC: F25B41/06 ,  F16K31/04

Abstract: Electric expansion valve (1) comprising a valve housing (12), a valve seat (2), a valve element (3) cooperating with the valve seat (2), a drive driving the valve element (3) and comprising a rotary motor (4) having an axis (17) of rotation. The valve element (3) is connected to the motor (4) and has a possibility of radial displacement between the rotor (6) and the valve element (3) with respect to the axis (17) of rotation. Such an expansion valve should ensure a long lifetime with low production costs. To this end the valve element (3) is connected to the motor (4) by means of a fixing element (16) which guarantees a defined position of the valve element (3) in axial direction while allowing the radial displacement between the axis (17) of rotation and the valve element (3).

公开(公告)号：WO2017097770A1

公开(公告)日：2017-06-15

申请号：PCT/EP2016/079904

申请日：2016-12-06

Applicant: DANFOSS A/S

Inventor： HARCK, Kurt ,  DENG, Hongmei ,  REESE, Birthe Nissen ,  PAWLIK, Jens ,  LARSEN, Sigurd ,  MATZEN, Detlef

IPC: F16K31/04

CPC classification number: F16K31/047

Abstract: A linear actuator (1) comprising a first part (3) and a second part (5) is disclosed. The first part (3) is arranged to rotate along with a rotating part (4) of a motor (2), and the second part (5) is arranged to drive an actuated part (18, 22). A coupling (6) interconnects the first part (3) and the second part (5) to allow the second part (5) to rotate along with the first part (3) at the same angular velocity as the first part (3). The coupling (6) defines a fit tolerance between the first part (3) and the second part (5) allowing the first part (3) to rotate a predefined distance before engaging the second part (5) and rotating the second part (5) along with the first part (3). The fit tolerance ensures that the first part (3) reaches a certain angular velocity and thereby that the resulting torque transfer from the first part (3) to the second part (5) is sufficient, e.g. to release the actuated part (18, 22) from a pretensioned state.

Abstract translation: 公开了包括第一部分（3）和第二部分（5）的线性致动器（1）。 第一部分（3）布置成与马达（2）的旋转部分（4）一起旋转，并且第二部分（5）布置成驱动致动部分（18,22）。 连接件（6）将第一部件（3）和第二部件（5）互连以允许第二部件（5）以与第一部件（3）相同的角速度与第一部件（3）一起旋转。 联接件（6）限定第一部分（3）和第二部分（5）之间的配合公差，允许第一部分（3）在接合第二部分（5）和旋转第二部分（5）之前旋转预定距离 ）以及第一部分（3）。 配合公差确保了第一部件（3）达到某个角速度并且由此从第一部件（3）到第二部件（5）的所产生的转矩传递足够，例如， 以将致动部分（18,22）从预张紧状态释放。

公开(公告)号：EP3387304B1

公开(公告)日：2020-08-26

申请号：EP16809724.4

申请日：2016-12-06

Applicant: Danfoss A/S

Inventor： HARCK, Kurt ,  DENG, Hongmei ,  REESE, Birthe Nissen ,  PAWLIK, Jens ,  LARSEN, Sigurd ,  MATZEN, Detlef

IPC: F16K31/04

公开(公告)号：EP3179144A1

公开(公告)日：2017-06-14

申请号：EP15198334.3

申请日：2015-12-08

Applicant: Danfoss A/S

Inventor： HARCK, Kurt ,  DENG, Hongmei ,  REESE, Birthe Nissen ,  PAWLIK, Jens ,  LARSEN, Sigurd ,  MATZEN, Detlef

IPC: F16K31/04

CPC classification number: F16K31/047

Abstract: A linear actuator (1) comprising a first part (3) and a second part (5) is disclosed. The first part (3) is arranged to rotate along with a rotating part (4) of a motor (2), and the second part (5) is arranged to drive an actuated part (18, 22). A coupling (6) interconnects the first part (3) and the second part (5) to allow the second part (5) to rotate along with the first part (3) at the same angular velocity as the first part (3). The coupling (6) defines a fit tolerance between the first part (3) and the second part (5) allowing the first part (3) to rotate a predefined distance before engaging the second part (5) and rotating the second part (5) along with the first part (3). The fit tolerance ensures that the first part (3) reaches a certain angular velocity and thereby that the resulting torque transfer from the first part (3) to the second part (5) is sufficient, e.g. to release the actuated part (18, 22) from a pretensioned state.

Abstract translation: 公开了包括第一部分（3）和第二部分（5）的线性致动器（1）。 第一部分（3）布置成与马达（2）的旋转部分（4）一起旋转，并且第二部分（5）布置成驱动致动部分（18,22）。 连接件（6）将第一部件（3）和第二部件（5）互连以允许第二部件（5）以与第一部件（3）相同的角速度与第一部件（3）一起旋转。 联接件（6）限定第一部分（3）和第二部分（5）之间的配合公差，允许第一部分（3）在接合第二部分（5）和旋转第二部分（5）之前旋转预定距离 ）以及第一部分（3）。 配合公差确保了第一部件（3）达到某个角速度并且由此从第一部件（3）到第二部件（5）的所产生的转矩传递足够，例如， 以将致动部件（18,22）从预张紧状态释放。

公开(公告)号：EP3387304A1

公开(公告)日：2018-10-17

申请号：EP16809724.4

申请日：2016-12-06

Applicant: Danfoss A/S

Inventor： HARCK, Kurt ,  DENG, Hongmei ,  REESE, Birthe Nissen ,  PAWLIK, Jens ,  LARSEN, Sigurd ,  MATZEN, Detlef

IPC: F16K31/04

Abstract: A linear actuator (1) comprising a first part (3) and a second part (5) is disclosed. The first part (3) is arranged to rotate along with a rotating part (4) of a motor (2), and the second part (5) is arranged to drive an actuated part (18, 22). A coupling (6) interconnects the first part (3) and the second part (5) to allow the second part (5) to rotate along with the first part (3) at the same angular velocity as the first part (3). The coupling (6) defines a fit tolerance between the first part (3) and the second part (5) allowing the first part (3) to rotate a predefined distance before engaging the second part (5) and rotating the second part (5) along with the first part (3). The fit tolerance ensures that the first part (3) reaches a certain angular velocity and thereby that the resulting torque transfer from the first part (3) to the second part (5) is sufficient, e.g. to release the actuated part (18, 22) from a pre-tensioned state.

公开(公告)号：EP4479668A1

公开(公告)日：2024-12-25

申请号：EP22844240.6

申请日：2022-12-30

Applicant: Danfoss A/S

Inventor： REESE, Birthe Nissen ,  LARSEN, Sigurd ,  WINDELBORG, Nicolai Risom

IPC: F16K31/04 ,  H02K5/128 ,  F16K1/54 ,  F16K31/50 ,  F16K1/02 ,  F16K27/02

公开(公告)号：EP3671073A1

公开(公告)日：2020-06-24

申请号：EP18214593.8

申请日：2018-12-20

Applicant: Danfoss A/S

Inventor： LARSEN, Sigurd ,  HARCK, Kurt ,  KRISTENSEN, Søren Sottrup ,  REESE, Birthe Nissen ,  VAGNSHOLDT, Charlotte Vibeke Pingel

IPC: F25B41/06 ,  F16K31/04

Abstract: An electric expansion valve (1) is described comprising a valve housing (12), a valve seat (2), a valve element (3) cooperating with the valve seat (2), a drive driving the valve element (3) and comprising a rotary motor (4) having an axis (17) of rotation, wherein the valve element (3) is connected to a motor (4).
Such expansion valve should ensure a long lifetime with low production costs.
To this end the valve element (3) is connected to the motor (4) having a possibility of a radiant displacement between the rotor (6) and the valve element (3) with respect to the axis (17) of rotation.