公开(公告)号：US07461642B2

公开(公告)日：2008-12-09

申请号：US11332082

申请日：2006-01-13

申请人： Raul A. Bircann ,  Joshua M. Haines

发明人： Raul A. Bircann ,  Joshua M. Haines

IPC分类号： F02M25/07 ,  F02B47/08 ,  F16K1/32 ,  F01L1/30

CPC分类号： F02M26/68 ,  F01L1/30 ,  F01L2009/0411 ,  F01L2105/00 ,  F02M26/54 ,  F02M26/67

摘要： Means for attenuating the seating force of a cam-actuated poppet valve such as an exhaust gas recirculation valve in an internal combustion engine including a shock-absorber disposed between the valve stem and valve head. In a currently preferred embodiment, the shock-absorber is a wave washer disposed around the valve stem and captured between the valve stem and the valve head, between which axial motion is allowed. After the valve head engages the valve seat to close the valve, any further travel of the actuator cam and valve stem is absorbed by compression of the wave washer, thus attenuating additional force on elements of the valve actuation train. In opening the valve, the reverse occurs, in that initial motion of the actuator cam and valve stem serves to relieve compression of the wave washer, followed by removal of the valve head from the valve seat.

摘要翻译： 用于衰减包括设置在阀杆和阀头之间的减震器的内燃机中的凸轮致动提升阀（例如排气再循环阀）的就座力的装置。 在当前优选的实施例中，减震器是设置在阀杆周围并被捕获在阀杆和阀头之间的波形垫圈，在该阀杆之间允许轴向运动。 在阀头接合阀座以关闭阀之后，致动器凸轮和阀杆的任何进一步行程通过波形垫圈的压缩而被吸收，从而减弱阀致动列的元件上的附加力。 在打开阀门时，反向发生，因为致动器凸轮和阀杆的初始运动用于缓解波形垫圈的压缩，然后从阀座移除阀头。

公开(公告)号：US06749174B2

公开(公告)日：2004-06-15

申请号：US10236739

申请日：2002-09-06

申请人： Raul A. Bircann ,  Jerry L. Kelly

发明人： Raul A. Bircann ,  Jerry L. Kelly

IPC分类号： F16K3102

CPC分类号： F02M26/67 ,  F02M26/53 ,  F02M26/74

摘要： A pintle-type valve including a valve body enclosing a chamber having a first port surrounded by an annular valve seat in a first wall of the chamber and a second port in a second and opposite wall of the chamber for receiving a pintle bushing. A valve pintle shaft having an attached valve head is disposed in the bushing. The second port is larger in diameter than the diameter of the valve head, so that the valve head may be admitted to the chamber through the port. The bushing is radially floating in the port and has a flange extending along an outer surface of the valve body for forming a seal therewith. The pintle extends into a conventional solenoid-type actuator bolted to the valve body. A radially-floating gas seal surrounds the pintle between the retainer and the actuator. A compressed coil spring holds the bushing in place against operating pressure within the valve chamber. The bushing and gas seal are centered by the valve stem, reducing frictional drag and reducing valve leakage.

摘要翻译： 一种枢轴式阀，包括阀体，该阀体包围腔室，该腔室具有由腔室的第一壁中的环形阀座围绕的第一端口和用于容纳枢轴套筒的腔室的第二和相对壁中的第二端口。 具有连接的阀头的阀枢轴设置在衬套中。 第二端口的直径大于阀头的直径，使得阀头可以通过端口进入腔室。 衬套在端口中径向浮动并且具有沿阀体的外表面延伸的凸缘以与其形成密封。 枢轴延伸到螺栓连接到阀体的传统螺线管型执行器。 径向浮动的气体密封件围绕保持器和致动器之间的枢轴。 压缩螺旋弹簧将套管保持在适当位置以抵抗阀室内的操作压力。 衬套和气体密封件由阀杆居中，减少摩擦阻力并减少阀门泄漏。

公开(公告)号：US06543746B2

公开(公告)日：2003-04-08

申请号：US09790271

申请日：2001-02-21

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： F16K3144

CPC分类号： F16K41/10 ,  F02M26/53 ,  F02M26/67 ,  F02M26/74

摘要： A system for containing leakage along a pintle shaft in a pintle-type gas control valve, such as an exhaust gas recirculation valve for an internal combustion engine or a reformate diverter valve for a fuel cell, comprising a novel seal element and means for sealing the element to the valve's pintle shaft bearing and to an interrupted pintle shaft. The system comprises two elements: a positive vapor block in the form of an elastomeric boot or folded diaphragm disposed across the pintle interruption, and a pintle shaft bearing disposable in the valve's body and sealingly secured to the boot or diaphragm. The system may include a coil spring disposed in compression within the boot or diaphragm.

公开(公告)号：US07104522B2

公开(公告)日：2006-09-12

申请号：US10641558

申请日：2003-08-15

申请人： Raul A. Bircann

发明人： Raul A. Bircann

IPC分类号： F16K31/44

CPC分类号： F16K31/0655 ,  F02M26/50 ,  F02M26/53 ,  F02M26/67 ,  F02M26/74 ,  F16K29/00 ,  Y10T137/4273 ,  Y10T137/4336

摘要： An exhaust gas recirculation valve assembly including a bushing and pintle shaft sub-assembly having a pintle shaft supported by a sleeve bushing, the contact area between the shaft and bushing being reduced such that coking deposits that form on the remaining contact area can be broken by the force of the valve actuator, thereby preventing sticking of the valve from coking accumulations. Either the shaft surface or the bushing surface is relieved in a pattern of incuse areas and residual bearing areas. A currently preferred pattern is a helix.

摘要翻译： 一种废气再循环阀组件，其包括具有由套筒衬套支撑的枢轴的衬套和枢轴子组件，轴和衬套之间的接触面积减小，使得在剩余接触区域上形成的焦化沉积物可被 阀致动器的力，从而防止阀的粘附积聚。 轴表面或衬套表面都以排气区域和残余轴承区域的形式释放。 目前优选的图案是螺旋。

公开(公告)号：US06889956B2

公开(公告)日：2005-05-10

申请号：US10374552

申请日：2003-02-25

申请人： Carlos A. Gutierrez ,  Raul A. Bircann

发明人： Carlos A. Gutierrez ,  Raul A. Bircann

IPC分类号： F16K41/02 ,  F16K31/44

CPC分类号： F16K41/02

摘要： A pintle bushing assembly for a poppet valve assembly including a tolerance ring which is disposable between the pintle bushing and a bore in the body of the valve to both seal and center the bushing in the bore. The tolerance ring includes a plurality of radially-extending dimples which are deformable during assembly such that the valve pintle can be aligned coaxially with the valve seat under all conditions. An axial flange on the tolerance ring is sealed against axial surfaces of the valve body adjacent the bore and a flange on the bushing to prevent leakage past the bushing.

摘要翻译： 一种用于提升阀组件的枢轴套组件，其包括公差环，所述公差环在所述枢轴衬套和所述阀体中的孔之间是一次性的，以将所述衬套密封并居中。 公差环包括多个径向延伸的凹坑，其可在组装期间变形，使得在所有条件下，阀枢轴可与阀座同轴对准。 公差环上的轴向凸缘密封在与孔相邻的阀体的轴向表面上，衬套上的凸缘被密封以防止泄漏通过衬套。

公开(公告)号：US06634346B2

公开(公告)日：2003-10-21

申请号：US09955528

申请日：2001-09-18

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： F02M2507

CPC分类号： F02M26/67 ,  F02M26/50 ,  F02M26/53 ,  F02M26/74

摘要： A subassembly module including a pintle bearing, bearing retaining spring, and bearing splash shield for an exhaust gas recirculation (EGR) valve for an internal combustion engine. The bearing is provided with a circumferential flange for sealing with an outer surface of the valve body, and with an annular step in the flange for receiving the rolled or crimped skirt of the bearing splash shield. The bearing retaining spring surrounding the valve pintle is compressed and captured within the splash shield as the skirt is formed onto the annular step to form the module. The axial length of the module is slightly greater than the assembled distance between the valve body and the actuator of the EGR valve, such that the module is compressed by installation of the actuator onto the valve body, allowing the compressed spring to urge the bearing face sealingly against the valve body. Advantageously, the subassembly module may be pre-assembled offline by known methods to reduce complexity during assembly of the valve.

摘要翻译： 一种组件模块，包括用于内燃机的废气再循环（EGR）阀的枢轴承，轴承保持弹簧和轴承防溅罩。 轴承设置有用于与阀体的外表面密封的圆周凸缘，并且在法兰中具有环形台阶，用于接收轴承防溅罩的卷曲或卷曲的裙部。 当裙部形成在环形台阶上时，围绕阀枢轴的轴承保持弹簧被压缩并捕获在防溅罩内，以形成模块。 模块的轴向长度略大于阀体与EGR阀致动器之间的组合距离，使得模块通过将致动器安装在阀体上而被压缩，从而允许压缩弹簧推动轴承面 密封地抵靠阀体。 有利地，子组件模块可以通过已知方法脱机预组装，以减少在组装阀期间的复杂性。

公开(公告)号：US06538543B2

公开(公告)日：2003-03-25

申请号：US09777322

申请日：2001-02-06

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： H01F708

CPC分类号： F16K31/0655 ,  F02M26/53 ,  F02M26/58 ,  F02M26/67 ,  F02M26/74 ,  H01F7/1607 ,  H01F2007/163

摘要： An improved solenoid for providing linear actuation. The outer polepiece of the solenoid is provided with a plurality of radially-dispersed labyrinthine passageways in communication between the exterior of the solenoid and an interior region including the armature and the interior of the windings. The polepiece is further provided with at least one passageway in communication between the exterior of the solenoid and an outer periphery of the windings within the housing. The two sets of passageways impede particles and droplets of moisture from entering the solenoid, while simultaneously permitting moisture such as condensation within the solenoid to evaporate and escape.

摘要翻译： 用于提供线性驱动的改进螺线管。 螺线管的外部极靴设置有多个径向分散的迷路通道，其在螺线管的外部和包括电枢和绕组内部的内部区域之间连通。 磁极还设置有至少一个在螺线管的外部和壳体内的绕组的外周之间连通的通道。 两组通道阻止水分的颗粒和液滴进入螺线管，同时允许水分如螺线管内的冷凝物蒸发并逸出。

公开(公告)号：US06453934B1

公开(公告)日：2002-09-24

申请号：US09778538

申请日：2001-02-07

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： F16K1100

CPC分类号： F16J15/3288 ,  F02M26/50 ,  F02M26/53 ,  F02M26/67 ,  F02M26/74 ,  F16K51/00 ,  Y10T137/4273

摘要： The present invention is directed to an annular metal-bristled brush for cleaning the pintle shaft of a pintle valve, such as an exhaust gas recirculation valve for an internal combustion engine, to prevent coking and failure of the valve. The brush surrounds the shaft, the tips of the bristles making contact with the shaft with sufficient force to dislodge incipient coke deposits but with insufficient force to inhibit the axial motion of the pintle shaft in actuation. Preferably, the brush is disposed in an annular space in the valve body between the pintle shaft bearing and the gas-metering chamber such that the shaft is brushed in both directions during each actuative cycle of the valve. Preferably, the annular space is slightly larger both axially and radially than the corresponding dimensions of the brush so that the brush is free to float without binding the pintle shaft.

摘要翻译： 本发明涉及一种用于清洁针阀的枢轴的环形金属刷毛刷，例如用于内燃机的排气再循环阀，以防止阀的结焦和失效。 刷子围绕轴，刷毛的尖端以足够的力与轴接触以移除初始焦炭沉积物，但是具有不足的力以阻止枢轴在致动中的轴向运动。 优选地，刷子设置在枢轴轴承和气体计量室之间的阀体中的环形空间中，使得轴在阀的每个致动循环期间在两个方向上被刷洗。 优选地，环形空间在轴向和径向上略大于刷子的相应尺寸，使得刷子自由浮动而不绑定枢轴。

公开(公告)号：US06439213B2

公开(公告)日：2002-08-27

申请号：US09788741

申请日：2001-02-20

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： F02M2502

CPC分类号： F02M26/67 ,  F02M26/50 ,  F02M26/53 ,  F02M26/74

摘要： A leakage arresting system comprising a novel gas arrestor for installation on an interrupted pintle shaft in a pintle-type valve, such as an exhaust gas recirculation valve for an internal combustion engine, for preventing leakage of gas and moisture along the pintle shaft into the actuator, to prevent corrosion and failure of the actuator. The system comprises two elements: a pintle shaft which is interrupted outside the actuator, and a positive vapor block in the form of a cup-shaped arrestor disposed across the pintle interruption. The invention is applicable to both unbalanced and force-balanced valves.

摘要翻译： 一种泄漏阻止系统，包括新颖的气体放电器，用于安装在枢轴式阀（例如用于内燃机的排气再循环阀）的中断的枢轴上，用于防止气体和水分沿着枢轴转入致动器 ，以防止致动器的腐蚀和故障。 该系统包括两个元件：在致动器外部中断的枢轴，以及设置成跨过枢轴中断的杯形避雷器形式的正蒸汽块。 本发明适用于不平衡和力平衡阀。

公开(公告)号：US06955336B2

公开(公告)日：2005-10-18

申请号：US09777471

申请日：2001-02-06

申请人： Raul A. Bircann ,  Dwight O. Palmer

发明人： Raul A. Bircann ,  Dwight O. Palmer

IPC分类号： F02M25/07 ,  H01F7/16 ,  F16K31/02

CPC分类号： H01F7/1607 ,  F02M26/53 ,  F02M26/67

摘要： An improved electric solenoid for providing linear mechanical actuation. The outer polepiece of the solenoid is provided with an axial, self-lubricated, non-magnetic bearing for closely supporting and centering an actuating shaft extending coaxially from the solenoid armature. Preferably, the radial tolerance between the diameters of the bearing inner bore and the shaft is as small as in practically possible without inducing drag of the shaft in the bearing, permitting reduction of the air gap between the armature and the polepieces to a minimal thickness. Preferably, the armature is axially tapered to avoid contact of the armature with the polepieces as a result of residual tolerances between the bearing and shaft. A significant increase in actuating force is realized in comparison with a prior art solenoid, and the improved solenoid may be used in any desired orientation.

摘要翻译： 一种改进的电磁线圈，用于提供线性机械驱动。 螺线管的外部极靴设置有轴向，自润滑的非磁性轴承，用于紧密地支撑和定心从螺线管电枢同轴延伸的致动轴。 优选地，轴承内孔和轴的直径之间的径向公差尽可能地小，而不会引起轴在轴承中的阻力，从而允许将电枢和极片之间的气隙减小至最小厚度。 优选地，电枢是轴向锥形的，以避免由于轴承和轴之间的残余公差而导致衔铁与极片接触。 与现有技术的螺线管相比，实现了致动力的显着增加，并且改进的螺线管可以以任何期望的方向使用。