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    • 2. 发明申请
    • Parking Brake Piston for a Parking Brake Chamber
    • 驻车制动器的停车制动器活塞
    • US20130075211A1
    • 2013-03-28
    • US13247449
    • 2011-09-28
    • Ronald S. PlantanBrett S. Darner
    • Ronald S. PlantanBrett S. Darner
    • B60T13/38B60T1/06F16D65/16
    • B60T17/083B60T17/088F16D65/28F16D2121/10
    • A spring-type brake actuator for a pneumatically-operated vehicle brake is provided, in which the parking brake release piston is formed from at least one stamped actuator piston plate, preferably a stamped aluminum plate. Preferably the biasing force of the power spring of the spring brake actuator bears on a stamped spring seat cap element which is interposed between the power spring and the stamped actuator piston plate. In addition, the parking brake release piston flexible diaphragm may be captured between the stamped actuator piston plate and a stamped backing plate by affixing the backing plate to a joining member, where the joining member includes a threaded insert to receive a manually-actuated parking brake release actuation tool.
    • 提供一种用于气动车辆制动器的弹簧式制动器致动器,其中驻车制动器释放活塞由至少一个冲压的致动器活塞板形成,优选地是冲压的铝板。 优选地,弹簧制动器致动器的动力弹簧的偏压力位于冲压的弹簧座盖元件上,该元件插入在动力弹簧和冲压的致动器活塞板之间。 此外,驻车制动器释放活塞柔性隔膜可以通过将背板固定到连接构件上而被捕获在冲压的致动器活塞板和冲压的背板之间,其中连接构件包括螺纹插入件以接收手动致动的驻车制动器 释放致动工具。
    • 6. 发明授权
    • Mid-power spring brake actuator having fuse-collar design for safety
    • 具有安全保险丝圈设计的中功率弹簧制动器执行器
    • US07506573B2
    • 2009-03-24
    • US11543192
    • 2006-10-05
    • Ken E. ScheckelhoffRon S. PlantanBrett S. Darner
    • Ken E. ScheckelhoffRon S. PlantanBrett S. Darner
    • F01B7/00
    • B60T17/088
    • A mid-power spring brake actuator includes first, second, and third actuator housing portions, with the first actuator housing portion interposed between the second and third housing portions. A parking brake release actuator is received within the third housing portion, and a connecting shaft is attached at a first end to the parking brake release actuator and extends through a dividing wall defined by the first housing portion. A service brake apply actuator is received within at least one of the first and second housing portions. Between the dividing wall defined by the first housing portion and a second end of the connecting shaft, a brake actuator spring is provided, and a service brake actuation chamber is interposed between the brake actuator spring and the service brake apply actuator. A parking or emergency brake de-actuation chamber is defined between the parking brake release actuator and the first housing portion. Travel of the connecting shaft as a result of force applied by the brake actuator spring upon failure of an interconnection between the connecting shaft and the parking brake release actuator is limited so as to avoid undesired or unsafe power spring expansion or release beyond the rated power spring stroke.
    • 中功率弹簧制动致动器包括第一,第二和第三致动器壳体部分,其中第一致动器壳体部分置于第二和第三壳体部分之间。 驻车制动器释放致动器被容纳在第三壳体部分内,并且连接轴在第一端附接到驻车制动器释放致动器并且延伸穿过由第一壳体部分限定的分隔壁。 在第一和第二壳体部分中的至少一个中容纳有行车制动施加致动器。 在由第一壳体部分限定的分隔壁和连接轴的第二端之间,设置有制动致动器弹簧,并且在制动致动器弹簧和行车制动器施加致动器之间设置有制动器致动室。 在驻车制动器释放致动器和第一壳体部分之间限定了停车或紧急制动解除动作室。 由于连接轴和驻车制动器释放致动器之间的互连故障而由制动器执行器弹簧施加的力的作用导致连接轴的移动受到限制,以避免不必要的或不安全的动力弹簧膨胀或释放超过额定动力弹簧 行程。
    • 8. 发明申请
    • Parking Piston Direct Connection to APR Rod
    • 停车活塞直接连接到APR杆
    • US20130075206A1
    • 2013-03-28
    • US13247372
    • 2011-09-28
    • Ronald S. PLANTANBrett S. DARNER
    • Ronald S. PLANTANBrett S. DARNER
    • B60T13/22F16D65/16
    • F16D65/28B60T17/088F16D2121/10
    • In a brake actuator including a plurality of actuator housing portions, a diaphragm seal, partially delimiting a parking brake de-actuation chamber, is retained between adjacent actuator housing portions, and an elastic element disposed between the diaphragm seal and one of the housing portions opposes expansion of the parking brake de-actuation chamber. A push rod extends into and out of a service brake actuation chamber upon respective release of fluid pressure from the parking brake de-actuation chamber and supply of fluid pressure to the parking brake de-actuation chamber. In order to constrain a central portion of the diaphragm seal for movement together with both the push rod and a piston, a clamping arrangement is used to axially clamp the central diaphragm seal portion between an end of the push rod and a surface of the piston.
    • 在包括多个致动器壳体部分的制动致动器中,部分限定驻车制动器解除动作室的隔膜密封件保持在相邻的致动器壳体部分之间,并且设置在隔膜密封件和一个壳体部分之间的弹性元件与 驻车制动器减速室的扩展。 在相应地从驻车制动器解除动作室释放流体压力并将流体压力提供给驻车制动器解除动作室时,推杆延伸进入和离开工作制动器致动室。 为了限制隔膜密封件的中心部分与推杆和活塞两者一起移动,使用夹紧装置将中心隔膜密封部分轴向夹紧在推杆的端部和活塞的表面之间。