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    • 2. 发明授权
    • Tamper-resistant brake actuator
    • 防撬制动器
    • US5353688A
    • 1994-10-11
    • US905004
    • 1992-06-26
    • William C. PierceWilliam J. Hicks
    • William C. PierceWilliam J. Hicks
    • B60T13/22B60T17/08F16D65/18F16D65/24
    • B60T17/085
    • An air-operated combination diaphragm spring brake has a tamper-resistant seal provided between a head (46) and a spring side of a flange case (18) which together form a spring chamber (16) housing a power spring (72). The head (46) has an annular rim (70), and the flange case has an annular flange (74) with a diaphragm (48) sandwiched therebetween. An annular lip (76) on annular rim (70) extends over the annular flange (74). A snap ring (82) is engaged by opposing annular grooves (80), (78) on the outside of the annular flange (74) and inside of the annular lip (76), respectively, to form the tamper-resistant seal.
    • 气动组合隔膜弹簧制动器具有设置在头部(46)和凸缘壳体(18)的弹簧侧之间的防篡改密封件,它们一起形成容纳动力弹簧(72)的弹簧室(16)。 头部(46)具有环形边缘(70),并且凸缘壳体具有环形凸缘(74),隔膜(48)夹在其间。 在环形凸缘(70)上的环形凸缘(76)在环形凸缘(74)上延伸。 卡环(82)分别与环形凸缘(74)的外侧和环形唇缘(76)的内侧的相对的环形槽(80),(78)接合,以形成防撬密封件。
    • 4. 发明授权
    • Fluid-operated brake actuator with spring chamber isolation
    • 具有弹簧室隔离的流体驱动制动器执行器
    • US5722311A
    • 1998-03-03
    • US433359
    • 1995-05-01
    • William C. PierceWilliam J. HicksSteven M. Stojic
    • William C. PierceWilliam J. HicksSteven M. Stojic
    • B60T13/50B60T13/38B60T15/00B60T17/08F16D65/28F01B7/00
    • B60T17/083
    • A brake actuator (10) for a vehicle comprises a service brake housing (14), a tandem spring brake housing (16) and a diaphragm (52), dividing the interior thereof into a first spring chamber (62) and a second spring chamber (63). In one embodiment, the first spring chamber (62) is completely sealed from the environment, being open only through a hollow actuator rod (56) connected to the diaphragm (52) and extending from the first spring brake chamber (62) into the service brake housing (14). A control valve (300) in the actuator rod (56) controls flow through the actuator rod (56) and is closed when the actuator rod (56) is retracted and also when the actuator rod (56) is extended to apply the brakes. The control valve (300) is open only as the diaphragm (52) and actuator rod (56) are moving. In an alternative embodiment, the spring chamber (63) has one-way vents (100) for releasing pressure therefrom and a control valve (120) in the actuator rod (56) for blocking flow therethrough when the actuator rod (56) is in a retracted position.
    • PCT No.PCT / US94 / 08421 Sec。 371日期:1995年5月1日 102(e)日期1995年5月1日PCT 1994年7月25日PCT公布。 公开号WO95 / 25030 日期1995年9月21日用于车辆的制动致动器(10)包括行车制动器壳体(14),串联弹簧制动器壳体(16)和隔膜(52),将其内部分成第一弹簧室(62) 和第二弹簧室(63)。 在一个实施例中,第一弹簧室(62)与环境完全密封,仅通过连接到隔膜(52)并从第一弹簧制动室(62)延伸到其中的中空致动器杆(56)打开 制动器壳体(14)。 致动杆(56)中的控制阀(300)控制通过致动器杆(56)的流动,并且当致动器杆(56)缩回时以及致动器杆(56)延伸以施加制动器时关闭。 只有当隔膜52和致动器杆56移动时,控制阀300才打开。 在替代实施例中,弹簧室(63)具有用于释放压力的单向通气口(100)和致动器杆(56)中的控制阀(120),用于当致动器杆(56)处于 缩回位置。
    • 5. 发明授权
    • Tamper-resistant brake actuator
    • 防撬制动器
    • US6003433A
    • 1999-12-21
    • US21530
    • 1998-02-10
    • William C. PierceWilliam J. Hicks
    • William C. PierceWilliam J. Hicks
    • B60T17/08F16J3/00
    • B60T17/085B60T17/083
    • A fluid-operated combination diaphragm spring brake has a tamper-resistant connection between a head and a flange case which together form a spring chamber housing a power spring. The head has an annular flange and an axial rim, and the flange case has an annular flange and an axial rim, The flanges of the head and the flange case and at least one of the rims of the head and the flange case define an annular recess. A diaphragm is sandwiched between the flanges and substantially fills the annular recess, removing substantially all the air within the annular recess. A welded connection radially adjacent the diaphragm secures head rim to the flange case rim.
    • 流体操作的组合隔膜弹簧制动器在头部和法兰壳体之间具有防篡改连接,其一起形成容纳动力弹簧的弹簧室。 头部具有环形凸缘和轴向边缘,并且凸缘壳体具有环形凸缘和轴向边缘。头部和凸缘壳体的凸缘以及头部和凸缘壳体中的至少一个限定环形 休息。 隔膜夹在凸缘之间并基本上填充环形凹部,基本上除去环形凹槽内的所有空气。 径向邻近隔膜的焊接连接件将头部边缘固定到凸缘壳体边缘。
    • 6. 发明授权
    • Spring brake actuator with spring force measurement
    • 具有弹簧力测量的弹簧制动器执行器
    • US5713238A
    • 1998-02-03
    • US569102
    • 1995-12-12
    • William C. PierceWilliam J. Hicks
    • William C. PierceWilliam J. Hicks
    • B60T17/08G01L1/04G01L5/28
    • B60T17/083
    • Measuring the force of a spring (28) in a spring brake actuator (10) comprising a housing (14) having an end wall (46), a spring plate (30) within the housing (14), the spring (28) being disposed between the spring plate (30) and the housing end wall (46) and a caging bolt (34) extending from the spring plate (30) through the housing end wall (46) and having a nut (44) thereon with a gauge between the caging bolt nut (44) and the housing (14). The gauge comprises a pressure-responsive element which detects the compressive force between the nut (44) and the housing (14) and generates a signal responsive thereto. An indicator (86) is coupled to the pressure-responsive element and visually displays the force on the spring (28) as a function of the compressive force signal. An embodiment of the gauge (50) comprises a body (52) having a bore (58), a piston (64) received within the bore (58) defining a chamber (74) between the piston (64) and the body (52) and a fluid (72) in the chamber (74).
    • PCT No.PCT / US94 / 09269 Sec。 371 1995年12月12日第 102(e)日期1995年12月12日PCT 1994年8月17日PCT PCT。 公开号WO96 / 05093 日期1996年2月22日测量弹簧制动器致动器(10)中的弹簧(28)的力,包括具有端壁(46)的壳体(14),在壳体(14)内的弹簧板(30) 弹簧(28)设置在弹簧板(30)和壳体端壁(46)之间,以及笼式螺栓(34),其从弹簧板(30)延伸穿过壳体端壁(46)并具有螺母(44) )上,其间具有在所述笼式螺栓螺母(44)和所述壳体(14)之间的量规。 该计量器包括一个检测螺母(44)和壳体(14)之间的压缩力的压力响应元件,并产生响应于此的信号。 指示器(86)耦合到压力响应元件并且根据压缩力信号在弹簧(28)上可视地显示力。 量规(50)的一个实施例包括具有孔(58)的主体(52),容纳在孔(58)内的活塞(64)),其限定在活塞(64)和主体(52)之间的腔室 )和腔室(74)中的流体(72)。
    • 10. 发明授权
    • Variable geometry dampening and trailing arm suspension including same
    • 可变几何阻尼和拖臂悬架包括相同的
    • US06431532B1
    • 2002-08-13
    • US09766281
    • 2001-01-19
    • Thomas A. McKenzieWilliam J. Hicks
    • Thomas A. McKenzieWilliam J. Hicks
    • B60G1126
    • B62D29/046B62D33/0608
    • Vibration dampening assembly alone and in vehicle trailing arm suspension has a link member, a shock absorber and a lever member. The link member has a first end pivotally interconnected with either of the trailing arm or the vehicle frame at a first support pivot. A lever member is pivotally interconnected with the link member second end at a link pivot intermediate the first and second ends of the lever member. A shock absorber has a first end of pivotally interconnected with the lever member second end at a shock pivot and has a second end pivotally interconnected with the other of the trailing arm or the vehicle frame at a second support pivot spaced from said first support pivot. The lever member is pivotally interconnected with either the trailing arm or the vehicle frame at a main pivot connection located at the first end of the lever member.
    • 单独的减振组件和车辆拖臂悬架具有连杆构件,减震器和杠杆构件。 连杆构件具有在第一支撑枢轴处与后臂或车架之一枢转地互连的第一端。 杠杆构件与连杆构件第二端枢转地连接在位于杠杆构件的第一和第二端处的连杆枢轴上。 减震器具有与杠杆构件第二端在冲击枢轴处枢转地互连的第一端,并且具有与所述第一支撑枢轴间隔开的第二支撑枢轴与所述后臂或所述车架中的另一个枢转地互连的第二端。 杆构件在位于杠杆构件的第一端的主枢轴连接处与后臂或车架枢转地互连。