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公开(公告)号：US20180017147A1
公开(公告)日：2018-01-18
申请号：US15546286
申请日：2016-01-14
发明人： Mario KREUTZER , Christian MARTY , Harry SCHMEIKO , Manfred GOETZ
IPC分类号： F16H25/22 , F16D65/14 , B60T13/74 , F16D125/40 , F16D125/36
CPC分类号： F16H25/2223 , B60T13/741 , B60T13/745 , F16D65/14 , F16D2125/36 , F16D2125/40 , F16H25/2233
摘要： A ball screw of an electromechanical brake comprising a ball screw nut disposed on a spindle, wherein the spindle includes complementary tracks formed on the spindle and the ball screw nut. The ball screw further includes a race that includes a plurality of ball pockets spaced apart from one another and a protruding section that includes a concave bearing surface, a ball housed between the concave bearing surface and an end section of a first spring element for a main load direction, and a second spring element for a return stroke direction, wherein the second spring element includes a second spring end section in contact with an opposite side of the bearing surface.
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公开(公告)号：US20180216711A1
公开(公告)日：2018-08-02
申请号：US15747796
申请日：2016-07-14
发明人： Mario KREUTZER , Gerd SANEWSKI
IPC分类号： F16H25/22
CPC分类号： F16H25/2223
摘要： A ball screw drive, comprising a screw that includes at least one outer ball groove, and a threaded nut that includes at least one inner ball groove, wherein the inner and outer ball grooves combine to form a ball channel in which one or more balls are accommodated, wherein at least one pocket is formed in the threaded nut, in which a deflection element is accommodated for deflecting the balls rolling in the ball groove, wherein the deflection element includes a deflection body, on which an intake and discharge section are formed and open into the ball groove to enable the one or more balls to enter and exit the groove, and wherein the intake and discharge section includes a snaking bath that enables the ball to be moved from one ball groove section into an adjacent ball path section.
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公开(公告)号：US20180058553A1
公开(公告)日：2018-03-01
申请号：US15693793
申请日：2017-09-01
CPC分类号： F16H25/2015 , F16D65/14 , F16D65/183 , F16D65/66 , F16D2121/24 , F16H25/2233
摘要： A threaded drive shaft is provided that has a threaded spindle, a spindle nut, and a spindle disk. The threaded spindle has two different sections with two different outer diameters. The spindle nut is about the larger-diameter portion, such that rotation of the threaded spindle within the spindle nut is allowed. The spindle disk is connected about the smaller-diameter portion of the threaded spindle, and is fixed thereto in a rotationally-fixed manner. The spindle disk has a tapered surface contacting a corresponding tapered surface of the threaded spindle to inhibit rotation. The spindle disk further includes a flange extending from an outer surface thereof that defines a first limit stop surface configured to contact a second limit stop surface of the spindle nut to limit rotation.
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公开(公告)号：US20180209521A1
公开(公告)日：2018-07-26
申请号：US15747786
申请日：2016-07-14
发明人： Mario KREUTZER , Gerd SANEWSKI , Nadine KLIEMANN
IPC分类号： F16H25/22
CPC分类号： F16H25/2223 , F16H25/2219 , F16H2025/2081 , F16H2025/2096
摘要： A ball screw drive comprising a leadscrew that has at least one outer ball groove and comprising a threaded nut that has at least one inner ball groove, which ball grooves together to form a ball channel in which balls, via which the leadscrew is guided relative to the threaded nut, are accommodated, wherein in the ball groove of the threaded nut is provided at least one radially closed pocket in which a deflection element for deflecting the balls moving in the ball groove is accommodated, wherein the threaded nut has an outer deflection device, which outer deflection device is axially in front of the deflection element in the form of an individual deflection element, is situated on the outer side of the threaded nut and engages in two radial openings in the threaded nut, and by means of which outer deflection device the balls are axially offset.
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