Valve unit and a positioning device for converting a rotary motion into a linear motion

    公开(公告)号:US10302217B2

    公开(公告)日:2019-05-28

    申请号:US14612303

    申请日:2015-02-03

    申请人: PIERBURG GMBH

    摘要: A valve unit includes a positioning device for converting a rotary motion into a linear motion, a valve rod, a drive unit, a drive shaft with an eccentric arranged thereon, a coupling element comprising a slot, and an output shaft arranged at the eccentric which moves in the slot of the coupling element. The valve rod is connected with the coupling element. The valve rod is linearly movable with the coupling element between an initial position where the valve is closed and an end position. The slot comprises a guide path which cooperates with the eccentric having an angle with a plane perpendicular to a direction of movement of the adjusting element. The initial position of the eccentric is a position which is located before a dead center existing for an axial movement of the output shaft. The dead center is passed during a rotational movement of the drive shaft.

    Magnet pump for an auxiliary assembly of a vehicle, and method for controlling a magnet pump for an auxiliary assembly

    公开(公告)号:US10151307B2

    公开(公告)日:2018-12-11

    申请号:US15034181

    申请日:2014-08-12

    申请人: PIERBURG GMBH

    IPC分类号: F04B17/04 F04B53/12 F04B53/14

    摘要: A magnet pump for an auxiliary unit of a vehicle includes an inlet, an outlet, an electromagnet comprising an armature, a core, a coil and a yoke, a cylinder comprising an outlet opening, and an axial piston which moves in the cylinder. The axial piston includes first and second axial piston parts, a gap arranged between the first and second axial piston parts, and an axial through bore. A first non-return valve is biased between the first and second axial piston parts and against the axial piston. A second non-return valve is biased against the outlet opening of the cylinder. The first axial piston part is connected with/is integrally formed with the armature and is lifted off the second axial piston part. A fluidic connection exists between the inlet and the outlet via the gap when the first axial piston part is lifted off the second axial piston part.