Seal ring assembly for high pressure valves
    1.
    发明授权
    Seal ring assembly for high pressure valves 失效
    高压阀密封圈总成

    公开(公告)号:US5165702A

    公开(公告)日:1992-11-24

    申请号:US703302

    申请日:1991-05-20

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D5/083 F16J15/32

    CPC分类号: F16J15/3208 B62D5/083

    摘要: A seal ring located in a seal ring groove of a valve member of a rotary valve assembly has an outer seal surface in sealing engagement with a surrounding valve housing and is adapted to isolate pressure passages communicating with the valve assembly regardless of the direction of the pressure differential across the seal ring, the seal ring being maintained in sealing engagement with one wall of the seal ring groove and with a surrounding wall of the valve housing by an underseal expander ring that assures continuous sealing action of the seal ring.

    Electronically controlled steering system
    2.
    发明授权
    Electronically controlled steering system 失效
    电控转向系统

    公开(公告)号:US4926956A

    公开(公告)日:1990-05-22

    申请号:US292090

    申请日:1988-12-30

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D6/02

    CPC分类号: B62D6/02

    摘要: A power steering gear mechanism for vehicles with a variable assist characteristic having primary and secondary steering valve portions, the primary portion controlling pressure in a power steering fluid motor, a steering control valve that controls the magnitude of the steering assist as a function of vehicle speed the secondary steering valve portion developing a steering torque signal, and an electronic signal processor for controlling the steering control valve in response to changes in the vehicle speed and the steering torque signal.

    摘要翻译: 一种用于具有可变辅助特性的车辆的动力转向齿轮机构,具有初级和次级转向阀部分,主要部分控制动力转向液体马达中的压力,转向控制阀,其控制作为车速的函数的转向辅助的大小 显影转向转矩信号的次级转向阀部分,以及响应于车速和转向转矩信号的变化而控制转向控制阀的电子信号处理器。

    Electronic power assist control steering system
    3.
    发明授权
    Electronic power assist control steering system 失效
    电动助力控制转向系统

    公开(公告)号:US4828067A

    公开(公告)日:1989-05-09

    申请号:US115083

    申请日:1987-10-30

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D6/02

    CPC分类号: B62D6/02

    摘要: A variable assist power steering gear mechanism for vehicles having primary and secondary steering valve portions, the primary portion controlling pressure in a power steering fluid motor, a steering pressure valve that controls the magnitude of the steering pressure as a function of vehicle speed, a steering torque sensor flow control valve that cooperates with the secondary steering valve portion to develop a steering torque signal, and an electronic signal processor for controlling the steering pressure valve in response to changes in the vehicle speed and the steering torque signal.

    摘要翻译: 一种用于车辆的可变辅助动力转向齿轮机构,其具有主转向阀部分和次级转向阀部分,主动部分控制动力转向液体马达中的压力,转向压力阀,其控制作为车速的函数的转向压力的大小;转向 扭矩传感器流量控制阀,其与二次转向阀部分协作以形成转向转矩信号;以及电子信号处理器,用于响应于车速和转向转矩信号的变化来控制转向压力阀。

    Speed sensitive power steering valve
    4.
    发明授权
    Speed sensitive power steering valve 失效
    速度敏感动力转向阀

    公开(公告)号:US4609331A

    公开(公告)日:1986-09-02

    申请号:US657559

    申请日:1984-10-04

    申请人: James J. Duffy

    发明人: James J. Duffy

    CPC分类号: F04B1/0408 B62D6/02 F04B49/24

    摘要: A positive displacement pump for a vehicle power steering system comprising a rotor (42) rotatable in and cooperating with a stator (20) to define a pump cavity (52), (54), inlet and outlet ports (56), (58) and (34), (36) communicating with the pump cavity and a flow control valve (96) located in the flow delivery circuit wherein provision is made for opening the flow delivery circuit to a bypass circuit (72) upon an increase in the speed of the vehicle beyond a design point thereby reducing the pump back pressure and power usage which results in increased "road feel" at increased speeds while maintaining normal power assist during steering maneuvers at low speeds.

    摘要翻译: 一种用于车辆动力转向系统的容积式泵,包括可旋转并与定子(20)配合以定义泵腔(52),(54),入口和出口(56),(58)的转子(42) 和与所述泵腔连通的(34),(36)和位于所述流量输送回路中的流量控制阀(96),其中提供用于在流速递增回路(72) 的车辆超出设计点,从而减少了泵背压力和功率使用,这导致在增加的速度下增加“道路感觉”,同时在低速下的转向操纵期间保持正常的动力辅助。

    Flame retardant polyamide compositions
    5.
    发明授权
    Flame retardant polyamide compositions 失效
    阻燃聚酰胺组合物

    公开(公告)号:US4504611A

    公开(公告)日:1985-03-12

    申请号:US519277

    申请日:1983-08-01

    CPC分类号: C08K3/38 C08K13/02

    摘要: Polyamide compositions having improved flame retardant properties and arc tracking resistance comprises, in percent by weight, about 35 to about 76 percent polyamide; about 6 to about 10 percent zinc borate; about 10 to about 15 percent melamine cyanurate; 0 to about 35 percent glass fiber; about 0 to about 3 percent antimony trioxide; and about 8 to about 15 percent of a chlorinated compound of the formula: ##STR1##

    摘要翻译: 具有改进的阻燃性能和抗电弧跟踪性的聚酰胺组合物包含按重量计约35%至约76%的聚酰胺; 约6至约10%的硼酸锌; 约10至约15%氰尿酸三聚氰胺; 0至约35%的玻璃纤维; 约0至约3%的三氧化锑; 和约8至约15%的下式的氯化化合物:(I)

    Dialkyl alkyl and cyclic phosphoramidomethyl phosphonates
    6.
    发明授权
    Dialkyl alkyl and cyclic phosphoramidomethyl phosphonates 失效
    烷基烷基和环磷酰胺甲基膦酸酯

    公开(公告)号:US4018560A

    公开(公告)日:1977-04-19

    申请号:US618720

    申请日:1975-10-01

    IPC分类号: C07F9/40 D06M13/447 D06M13/34

    摘要: New compounds are disclosed of the formula: ##STR1## wherein R' is phenyl, lower alkenyl and halogen substituted and unsubstituted lower alkyl of 1-6 carbon atoms, m is an integer from 1-2 wherein when m is 2, R is alkoxy of 1-8 carbon atoms and when m is 1, R is alkylene dioxy of 2-8 carbon atoms. The compounds of this invention are useful as flame retardant agents for textile materials and in the production of polymers and copolymers which possess flame retardant properties.

    摘要翻译: 新化合物公开了下式:其中R'是苯基,低级烯基和卤素取代和未取代的1-6个碳原子的低级烷基,m是1-2的整数,其中当m是2时,R是烷氧基 的1-8个碳原子,当m为1时,R为2-8个碳原子的亚烷基二氧基。 本发明的化合物可用作纺织材料的阻燃剂和用于生产具有阻燃性能的聚合物和共聚物。

    Dialkyl alkyl and aromatic sulfonamidomethyl phosphonates
    7.
    发明授权
    Dialkyl alkyl and aromatic sulfonamidomethyl phosphonates 失效
    二烷基烷基和芳基磺酰胺基甲基膦酸酯

    公开(公告)号:US3959551A

    公开(公告)日:1976-05-25

    申请号:US537721

    申请日:1974-12-31

    摘要: New compounds are disclosed of the formula: ##EQU1## wherein R is selected from the group consisting of lower alkyl of 1-6 carbon atoms, phenyl and alkyl substituted phenyl and R' is selected from the group consisting of phenyl, lower alkenyl and halogen substituted and unsubstituted lower alkyl of 1-6 carbon atoms. The compounds of this invention are useful as flame retarding agents for textile materials and in the production of polymers and copolymers which possess flame retardant properties.

    摘要翻译: 公开了下式的新化合物:其中R选自1-6个碳原子的低级烷基,苯基和烷基取代的苯基,R'选自由以下组成的组的共聚物RSO2NHCH2P(OR')2: 苯基,低级烯基和卤素取代和未取代的1-6个碳原子的低级烷基。 本发明的化合物可用作纺织材料的阻燃剂和用于生产具有阻燃性能的聚合物和共聚物。

    "> Hydraulic reaction variable assist power steering control hydraulic
    8.
    发明授权
    Hydraulic reaction variable assist power steering control hydraulic "detent" 失效
    液压反应变量辅助动力转向控制液压“制动”

    公开(公告)号:US5307895A

    公开(公告)日:1994-05-03

    申请号:US37825

    申请日:1993-03-29

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D6/02 B62D5/06

    CPC分类号: B62D6/02

    摘要: A power steering system for an automotive vehicle having a rotary steering valve comprising an inner valve member and a surrounding valve sleeve member, the valve members having cooperating valve lands that control pressure distribution to a fluid motor that effects a steering assist, the valve sleeve being connected mechanically to the fluid motor and a driver controlled steering shaft being connected to driven portions of the steering system, fluid pressure reaction pistons in the steering gear assembly providing a reaction force that opposes relative motion of the steering valve members, pressure regulator valve means and vehicle speed sensitive valve means for tailoring the reaction forces to provide an optimum steering assist at all vehicle speeds, and means for providing a detent force that produces a threshold value of steering torque before the onset of power assist.

    摘要翻译: 一种用于机动车辆的动力转向系统,其具有包括内阀构件和周围阀套构件的旋转转向阀,所述阀构件具有配合的阀台,其控制对流体马达施加转向辅助的压力分配,所述阀套是 机械地连接到流体马达,并且驾驶员控制的转向轴连接到转向系统的被驱动部分,舵机组件中的流体压力反作用活塞提供反作用力,该反作用力与转向阀构件的相对运动相反,压力调节阀装置和 用于调整反作用力以在所有车辆速度下提供最佳转向辅助的车辆速度敏感阀装置,以及用于提供在动力辅助开始之前产生转向转矩阈值的制动力的装置。

    Variable assist power steering system using electronic pressure control
    9.
    发明授权
    Variable assist power steering system using electronic pressure control 失效
    可变辅助动力转向系统采用电子压力控制

    公开(公告)号:US4760892A

    公开(公告)日:1988-08-02

    申请号:US902919

    申请日:1986-09-02

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D6/02 B62D5/08

    CPC分类号: B62D6/02 Y10T137/86622

    摘要: A power steering gear for a vehicle capable of providing a variable degree of power assistance to supplement manual steering effort wherein the variable assist is achieved by controlling directly the magnitude of the steering pressure made available to a pressure operated motor by a vehicle engine driven pump, the magnitude of the pressure being controlled by a central processing unit that responds to vehicle steering wheel torque and vehicle speed to produce an appropriate steering pressure and power assist for all driving conditions.

    摘要翻译: 一种用于车辆的动力转向装置,其能够提供可变程度的动力辅助以补充手动转向力,其中通过直接控制由车辆发动机驱动的泵对压力操作的电动机可用的转向压力的大小来实现可变辅助, 压力的大小由中央处理单元控制,该中央处理单元响应于车辆方向盘转矩和车辆速度,以产生适当的转向压力和所有行驶条件的动力辅助。

    Variable assist power steering system
    10.
    发明授权
    Variable assist power steering system 失效
    可变辅助动力转向系统

    公开(公告)号:US4561521A

    公开(公告)日:1985-12-31

    申请号:US678844

    申请日:1984-12-06

    申请人: James J. Duffy

    发明人: James J. Duffy

    IPC分类号: B62D5/083 B62D6/02 B62D5/08

    CPC分类号: B62D6/02 Y10T137/87177

    摘要: A power steering gear mechanism for an automotive vehicle having a pressure operated vehicle steering mechanism controlled by a rotary valve with primary and secondary valve portions wherein the primary valve portion develops a fast-rising steering pressure characteristic for incremental changes in steering torque at low driving speeds and a flatter or more gradual steering pressure rise characteristic for incremental changes in steering torque at high driving speeds, the latter resulting from the action of the secondary valve portion which functions in cooperation with the primary valve portion whereby the pressure versus torque relationship is optimized for parking maneuvers, for driving maneuvers and for center-feel, the change from the low speed steering mode to the high speed steering mode being gradual whereby the center-feel increases in proportion to increasing road speed.

    摘要翻译: 一种用于机动车辆的动力转向齿轮机构,其具有由具有初级和次级阀部分的旋转阀控制的压力操纵车辆转向机构,其中主阀部分形成快速上升的转向压力特性,用于在低行驶速度下的转向转矩的增量变化 以及用于在高驱动速度下的转向扭矩的增量变化的更平坦或更渐进的转向压力上升特性,后者是由与主阀部分配合起作用的次级阀部分的作用产生的,由此针对 用于驾驶机动和中心感觉的停车操作,从低速转向模式到高速转向模式的变化是逐渐的,由此中心感觉与增加的道路速度成比例地增加。