ELECTROMECHANICALLY AND HYDRAULICALLY ACTUATABLE MOTOR VEHICLE BRAKE WITH SELECTIVE SELF-LOCKING

WIPO Patent Application WO/2015/071071

A3

The invention relates to a motor vehicle brake, in particular a combined hydraulically and electromechanically actuatable motor vehicle brake, with an actuator assembly (A) comprising: a housing (AG, BG), an actuator (BK) which can be moved relative to the housing (AG, BG) for hydraulically or electromechanically moving a brake lining, a motor drive (EM), a movement mechanism which is arranged between the motor drive (EM) and the movable actuator (BK), a transmission arrangement (GS1, GS2, GS3) which is paired with the movement mechanism, and a separate self-locking device (SHV) which is designed to block the movement mechanism when necessary. The movement mechanism has a ball screw drive (SM) with a rotatable spindle and a nut which can be moved in the housing (BG) in a linear manner. The nut can be moved within the housing (BG) in order to move the actuator (BK) by rotating the spindle, and the transmission arrangement has at least two transmission stages (GS1, GS2, GS3). In the motor vehicle brake, the self-locking device (SHV) is arranged in or on the transmission arrangement (GS1, GS2, GS3) such that at least two transmission stages (GS2, GS3) are arranged between the ball screw drive (SM) and the self-locking device (SHV).

POERTZGEN GREGOR (DE)
SCHERER STEVE (DE)
DILLA CHRISTIAN (DE)
MICHELS ERWIN (DE)
OHLIG BENEDIKT (DE)

PCT/EP2014/072819

September 24, 2015

October 24, 2014

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LUCAS AUTOMOTIVE GMBH (DE)

B60T13/58; B60T13/74

DE19654729A1	1999-07-22
US5829845A	1998-11-03
DE10349078A1	2005-05-25
DE102011102860A1	2012-12-06

See also references of EP 3068668A2

THUM, Bernhard (Munich, DE)

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