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    • 3. 发明申请
    • Brake adjuster
    • 制动调节器
    • US20020112927A1
    • 2002-08-22
    • US09788912
    • 2001-02-19
    • Meritor Heavy Vehicle Systems, LLC
    • Wilfried GieringRoy Lee HayfordNeil WilliamsJuergen DreherChristos T. KyrtsosGerald D. AndersonDavid L. Brademeyer
    • F16D055/02
    • F16D65/567F16D65/183F16D65/56F16D65/568F16D2065/386F16D2066/003F16D2066/005F16D2121/14F16D2125/22F16D2125/32F16D2129/10F16D2129/12
    • A brake adjuster is provided for a vehicle brake such as for heavy duty vehicle. The brake adjuster includes a brake module that produces an electrical signal for adjusting the vehicle brake. The heavy duty vehicle brake typically includes a pair of pistons each having first and second portions that are movable relative to one another. A friction element or brake pad is arranged proximate to the second portion and is movable from a desired position to a worn position as the brake pads wear during operation of the vehicle. In one embodiment of the present invention, the first and second portions are slip fit within a sleeve assembly. At least one adjustment member is arranged between the first and second portions. The adjustment member is constructed from a material which expands in response to an electrical signal, such as a magnetostrictive or a piezoelectric material. The adjustment member moves the second portion relative to the first portion and repositions the brake pads from the worn position to the desired position. In another embodiment, the first and second portions are threaded to one another and movable rotationally relative to one another to adjust the length of the piston. The first portions of the pistons include a plurality of teeth about the outer face. A gear is arranged between the pistons and coupled the teeth of the first portions together. An electric actuator has a driven member that is coupled with at least a portion of one of the pistons teeth to rotate the first and second portions relative to one another to increase the length of the piston and move the brake pad from the worn position to the desired position.
    • 为诸如重型车辆的车辆制动器提供制动调节器。 制动调节器包括制动模块,其产生用于调节车辆制动器的电信号。 重型车辆制动器通常包括一对活塞,每个活塞具有可相对于彼此移动的第一和第二部分。 摩擦元件或制动衬块靠近第二部分布置,并且在车辆操作期间随着制动片磨损而从期望的位置移动到磨损位置。 在本发明的一个实施例中,第一和第二部分滑动配合在套筒组件内。 至少一个调节构件设置在第一和第二部分之间。 调节构件由响应于诸如磁致伸缩或压电材料之类的电信号而膨胀的材料构成。 调节构件相对于第一部分移动第二部分,并将制动衬块从磨损位置重新定位到期望位置。 在另一个实施例中,第一和第二部分彼此螺纹连接并相对于彼此旋转移动以调节活塞的长度。 活塞的第一部分包括围绕外表面的多个齿。 活塞之间布置齿轮并将第一部分的齿部联接在一起。 电动致动器具有被驱动构件,其与至少一部分活塞齿联接以使第一和第二部分相对于彼此旋转,以增加活塞的长度并将制动衬块从磨损位置移动到 所期望的职位。
    • 5. 发明申请
    • Self-servoing disc brake rotor
    • 自动盘式制动转子
    • US20020108819A1
    • 2002-08-15
    • US09780831
    • 2001-02-09
    • Meritor Heavy Vehicle Systems, LLC
    • Neil WilliamsJuergen DreherRoy Lee HayfordChristos T. KyrtsosWilfried GieringDavid L. BrademeyerGerald D. Anderson
    • F16D065/00
    • F16D65/12F16D2065/1316F16D2065/132F16D2125/38F16D2127/08F16D2127/10
    • A self-servoing disc brake assembly is provided that includes a driven rotor member having a first inner surface with a plurality of first pockets. The driven rotor member also includes a first friction surface spaced from the first inner surface. A movable rotor member is supported on the driven rotor member and is movable relative to the driven rotor member between non-servoed and servoed positions. The friction surfaces are spaced a first distance in the non-servo position, and the friction surfaces are spaced a second distance which is greater than a first distance in the servo position. The movable rotor member includes a second inner surface with a plurality of second pockets adjacent to the first inner surface and a friction surface spaced from the second inner surface. A plurality of balls are arranged between the first and second pockets with at least one of the first and second pockets being ramped. A friction member, such as a disc brake pad, is arranged adjacent to the first friction surface and is movable between engaged and non-engaged positions. The friction member is spaced from the second friction surface in the non-engaged position and the friction member is in contact with the second friction surface in the engaged position to rotate the movable rotor member to the servoed position and produce a supplemental brake clamping force. As the brake pads are moved into engagement with the driven and movable rotor members, a shear force is created on the second friction surface. The shear force causes the movable rotor member to rotate relative to and away from the driven rotor member. As a result, for a particular brake input force a larger braking torque is achieved.
    • 提供一种自伺服盘式制动器组件,其包括具有多个第一凹穴的第一内表面的从动转子构件。 从动转子构件还包括与第一内表面间隔开的第一摩擦表面。 可动转子构件被支撑在从动转子构件上,并且可在非伺服位置和伺服位置之间相对于从动转子构件移动。 摩擦表面在非伺服位置上间隔第一距离,并且摩擦表面间隔第二距离,其大于伺服位置中的第一距离。 可移动转子构件包括具有与第一内表面相邻的多个第二凹穴的第二内表面和与第二内表面间隔开的摩擦表面。 多个球布置在第一和第二袋之间,第一和第二袋中的至少一个是斜坡的。 诸如盘式制动衬块之类的摩擦件邻近第一摩擦表面设置并且可在啮合位置和非接合位置之间移动。 摩擦构件在非接合位置与第二摩擦表面间隔开,并且摩擦构件在接合位置与第二摩擦表面接触,以将可移动转子构件旋转到伺服位置并产生补充制动夹紧力。 当制动片与被驱动和可移动转子构件移动接合时,在第二摩擦表面上产生剪切力。 剪切力使可动转子部件相对于从动转子部件转动。 结果,对于特定的制动输入力,实现更大的制动转矩。