US 11,668,355 B2
Clutch actuation unit
Robert Steiner, Fronhofen (DE)
Assigned to ZF Friedrichshafen AG, Friedrichshafen (DE)
Appl. No. 17/606,828
Filed by ZF Friedrichshafen AG, Friedrichshafen (DE)
PCT Filed Mar. 4, 2020, PCT No. PCT/EP2020/055714
§ 371(c)(1), (2) Date Oct. 27, 2021,
PCT Pub. No. WO2020/221493, PCT Pub. Date Nov. 5, 2020.
Claims priority of application No. 102019206232.6 (DE), filed on Apr. 30, 2019.
Prior Publication US 2022/0228629 A1, Jul. 21, 2022
Int. Cl. F16D 27/00 (2006.01); F16D 23/12 (2006.01)
CPC F16D 27/004 (2013.01) [F16D 23/12 (2013.01); F16D 2023/123 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A release system for actuating a clutch in the drive train of a motor vehicle between a drive motor and a shift transmission, having
a threaded spindle which is connected at an end region in a rotationally fixed manner to the clutch and to the drive motor,
a release unit having a stator and a rotor, which is connected to the stator by axial bearings,
wherein the rotor rotates with the threaded spindle and is in engagement therewith via a spindle nut, and
wherein actuation of the clutch takes place by adjustment of the rotational speed of the rotor.