公开(公告)号：US12097833B2

公开(公告)日：2024-09-24

申请号：US17276955

申请日：2019-09-12

申请人： Hitachi Astemo, Ltd.

发明人： Wataru Yokoyama ,  Daisuke Goto

IPC分类号： B60T8/17 ,  B60T13/74 ,  B60T17/22 ,  F16D55/226 ,  F16D65/18 ,  F16D66/00 ,  F16D125/40 ,  F16D55/00 ,  F16D65/38 ,  F16D121/24 ,  F16D125/48 ,  F16D125/50 ,  F16D127/02

CPC分类号： B60T8/17 ,  B60T13/746 ,  B60T17/221 ,  F16D55/226 ,  F16D65/18 ,  F16D66/00 ,  B60T2201/12 ,  F16D2055/0029 ,  F16D2065/386 ,  F16D2066/003 ,  F16D2121/24 ,  F16D2125/40 ,  F16D2125/48 ,  F16D2125/50 ,  F16D2127/02

摘要： Provided is an electric brake including: a brake mechanism configured to transmit, based on a braking request, a thrust force generated through drive of an electric motor to a piston configured to move brake pads to be pressed against a disc rotor; and an ECU for rear electric brake configured to control the drive of the electric motor, and to move, in a non-braking state, the piston to a predetermined clearance position at which a clearance between each of the brake pads and the disc rotor is a predetermined amount. The ECU for rear electric brake is configured to drive the electric motor so that a period from generation of the braking request to a start of the pressing of the disc rotor by the brake pads is a predetermined period regardless of a position of the piston at a time when the braking request is generated.

公开(公告)号：US11994182B2

公开(公告)日：2024-05-28

申请号：US17215707

申请日：2021-03-29

申请人： HL MANDO CORPORATION

发明人： Kristijan Tarandek ,  Hans-Jörg Feigel ,  I-Che Chiang

IPC分类号： F16D55/227 ,  F16D65/18 ,  F16D65/56 ,  F16D121/24 ,  F16D125/36 ,  F16D125/50

CPC分类号： F16D65/18 ,  F16D55/227 ,  F16D65/567 ,  F16D2121/24 ,  F16D2125/36 ,  F16D2125/50

摘要： The invention relates to an electro-mechanical brake with an actuator (5) for pressing at least one brake pad (3, 4) against a rotating friction surface. The actuator (5) comprises an electric motor (7) and a first transmission for converting a rotary motion of the electric motor (7) into a translational motion of the at least one brake pad (3, 4) for activating or releasing the electromechanical brake. Furthermore, the actuator (5) comprises a second transmission for converting a rotary motion of the same electric motor (7) into a further translational motion of the at least one brake pad (3, 4) to compensate for a wear of the at least one brake pad (3, 4), the first transmission and the second transmission being coupled so that the translational motion of the at least one brake pad (3, 4) caused by the first transmission and the further translational motion of the at least one brake pad (3, 4) caused by the second transmission add up to a resulting translation of the at least one brake pad (3, 4).

公开(公告)号：US20240157924A1

公开(公告)日：2024-05-16

申请号：US18281621

申请日：2021-10-15

申请人： Hitachi Astemo, Ltd.

发明人： Hiroshi SHIGETA

IPC分类号： B60T13/74 ,  F16D55/00 ,  F16D55/2265 ,  F16D65/00 ,  F16D65/18 ,  F16D121/24 ,  F16D125/50

CPC分类号： B60T13/746 ,  F16D55/2265 ,  F16D65/0068 ,  F16D65/18 ,  F16D2055/0016 ,  F16D2121/24 ,  F16D2125/50 ,  F16D2250/0076

摘要： A disc brake including a planetary gear speed reduction mechanism that improves the meshing condition of gears at activation. A sun gear (84) of a planetary gear speed reduction mechanism (55) employed in the disc brake includes a cylindrical supporting portion (112) configured to rotatably support a sun gear (82), an annular wall portion (111) disposed to face a large gear (88) at predetermined distance away in the axial direction of the large gear, and a reaction force receiving portion (114) disposed to overlap with the large gear as viewed from the radial direction of the large gear and configured to receive a reaction force produced by rotation of the sun gear (82). This improves the meshing condition of the planetary gear speed reduction mechanism and represses negative influences on performance, strength, operation noises and the like associated with transmission of rotation torque.

公开(公告)号：US11613238B2

公开(公告)日：2023-03-28

申请号：US16672528

申请日：2019-11-04

申请人： HL MANDO CORPORATION

发明人： Tony Alan Dodak

IPC分类号： B60T13/74 ,  B60T1/06 ,  B60T8/28 ,  B62D5/04 ,  B62D15/02 ,  F16D65/097 ,  F16D65/16 ,  G01B7/315 ,  H02K1/14 ,  H02K1/276 ,  H02K21/16 ,  H02K29/03 ,  F16D55/14 ,  F16D121/24 ,  F16D125/50 ,  F16D127/06

摘要： A vehicle steering system comprises: a motor assembly operably coupled to a steering rack, the motor assembly comprising a motor having a rotor and a motor position sensor configured to sense a rotor angle of the motor in a single-turn range; and a rotary-to-linear conversion mechanism operably coupled between the motor assembly and the steering rack, the rotary-to-linear conversion mechanism comprising a rotor operably coupled to the rotor of the motor. A processor calculates an absolute angular position of the pinion in a full-turn range of rotation of the pinion based on the sensed rotor angle of the motor and a pinion angle sensed by a pinion angle sensor in a single-turn range, or based on the sensed rotor angle of the motor and an angle of the rotor of the rotary-to-linear conversion mechanism sensed by an angular position sensor in the single-turn range.

公开(公告)号：US11590954B2

公开(公告)日：2023-02-28

申请号：US16828120

申请日：2020-03-24

申请人： Nabtesco Corporation

发明人： Masahiro Takahashi ,  Yuto Nakai

IPC分类号： F16D55/08 ,  B60T13/74 ,  F16D3/04 ,  F16H1/32 ,  B60T7/22 ,  B60T8/17 ,  B60T17/22 ,  F16D66/02 ,  F16D65/18 ,  F16D66/00 ,  F16D121/24 ,  F16D125/32 ,  F16D125/50 ,  B60T1/06

摘要： A brake device of the present invention includes: a wheel brake unit for braking a wheel; an electric motor for driving the wheel brake unit; a speed reducer for decelerating rotation of the electric motor; a rotation-linear motion converter for converting a rotational output of the speed reducer into a linear motion; and a braking force transmission member for transmitting the linear motion produced by the rotation-linear motion converter to the wheel brake unit.

公开(公告)号：US11572050B2

公开(公告)日：2023-02-07

申请号：US16931015

申请日：2020-07-16

申请人： HYUNDAI MOBIS CO., LTD.

发明人： Hyun Hwa Hong

IPC分类号： B60T13/74 ,  F16D55/226 ,  B60T1/06 ,  F16D125/52 ,  F16D125/50 ,  F16D125/34 ,  F16D121/24

摘要： A parking brake apparatus for a vehicle includes a motor section receiving electric power from an outside, and generating power; a power transmission section rotated by driving the motor section; a pair of pressing units having rotation axes that are disposed parallel to a rotation axis of the power transmission section, and pressing a brake pad by receiving power from the power transmission section; and a load transmission unit installed between the pair of pressing units, connected to each of the pair of pressing units, and transmitting a pressing load of any one of the pair of pressing units to the other pressing unit.

公开(公告)号：US11420606B2

公开(公告)日：2022-08-23

申请号：US16931134

申请日：2020-07-16

申请人： HYUNDAI MOBIS CO., LTD.

发明人： Moo Jin Choi

IPC分类号： B60T13/74 ,  F16D55/226 ,  B60T1/06 ,  F16D125/52 ,  F16D125/50 ,  F16D125/34 ,  F16D121/24

摘要： A parking brake apparatus for a vehicle includes a pair of pressing units receiving power from a driving unit, and pressing a brake pad; and a load transmission unit installed between the pair of pressing units, connected to each of the pair of pressing units, and transmitting a pressing load of any one of the pair of pressing units to the other pressing unit, wherein the load transmission unit comprises a pair of ring gear sections, and the pair of ring gear sections are meshed with each other.

公开(公告)号：US11287002B1

公开(公告)日：2022-03-29

申请号：US17132265

申请日：2020-12-23

申请人： Hyo Seong America Corporation

发明人： Seung Yuel Kong ,  Changho Lee

IPC分类号： F16H1/46 ,  F16D65/16 ,  F16H55/06 ,  F16H57/02 ,  B60T13/74 ,  F16H57/031 ,  F16D121/24 ,  F16D125/50

摘要： An electric brake actuator includes a housing, a three-stage planetary gear mechanism provided in the housing, the planetary gear mechanism having a first stage, a second stage, and a third stage that are sequentially meshed from one end to the other end of the planetary gear mechanism, and each stage of planetary gear mechanism comprising at least one planet gear, and a planet carrier supporting the planet gear; a motor provided in the housing; and at least one gear connected between the planetary gear mechanism and the motor, the at least one gear being arranged the motor to drive the planetary gear mechanism. The at least one planet gear of the first stage is made of a first material that is different from a second material of which the planet gear of the second stage or the planet gear of the third stage is made.

公开(公告)号：US11187291B2

公开(公告)日：2021-11-30

申请号：US16180693

申请日：2018-11-05

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Yoji Yamauchi

IPC分类号： F16D65/18 ,  F16D55/226 ,  B60T13/74 ,  F16D121/24 ,  F16D125/40 ,  F16D125/50

摘要： An electric brake device to be mounted on a vehicle includes a rotating body, a friction member, an electric motor, a piston, an operation conversion mechanism, an actuator, and a controller. The operation conversion mechanism is configured to include a rotating member and a linear motion member. The controller is configured to selectively execute a standby control of causing the linear motion member to stand by at a standby position where a clearance between the friction member and the rotating body is not larger than a backlash between a male screw and a female screw, and a backward movement control of moving the linear motion member backward to a backward movement position where the clearance is allowed to be equal to or more than the backlash, in a case where there is no braking force request for the electric brake device.

公开(公告)号：US10900546B2

公开(公告)日：2021-01-26

申请号：US15925729

申请日：2018-03-19

申请人： MANDO CORPORATION

发明人： Jae-Hyun Lee

IPC分类号： F16H7/12 ,  F16H7/02 ,  F16H37/04 ,  F16H7/08 ,  F16D65/18 ,  F16H1/46 ,  F16D121/24 ,  F16D125/48 ,  F16D125/50 ,  F16D65/00 ,  F16H63/34 ,  F16H37/02 ,  F16H57/02

摘要： Disclosed herein is an actuator. The actuator, in accordance with an aspect of the present disclosure, includes a motor configured to generate torque, a gear device configured to amplify the torque, a belt driving device configured to transfer the torque to the gear device, and a bracket unit configured to fix a distance between a rotation shaft of the motor and a gear shaft of the gear device, wherein the bracket unit includes a pair of support members configured to support a portion of an outer peripheral surface of a belt gear in the bracket driving device and prevent tooth disengagement of the belt gear.