Vehicle jack
    61.
    发明授权
    Vehicle jack 失效
    车载千斤顶

    公开(公告)号:US3892132A

    公开(公告)日:1975-07-01

    申请号:US35136273

    申请日:1973-04-16

    Applicant: DUNLOP LTD

    CPC classification number: B66F3/12 G01M1/28

    Abstract: A vehicle jack comprising a stand on which a vehicle member may be supported after being raised, the stand being dissociateable from the raising and lowering device to take all the weight exerted on the vehicle member. The stand may comprise a member for use in balancing a vehicle wheel.

    Abstract translation: 一种车辆千斤顶,其特征在于,包括支架,其上可以在升起后支撑车辆构件的支架,所述支架可从所述升降装置解离,以承担施加在所述车辆构件上的所有重量。 支架可以包括用于平衡车轮的构件。

    Pneumatic tire wheel rim assembly
    62.
    发明授权
    Pneumatic tire wheel rim assembly 失效
    气动轮胎轮辋组件

    公开(公告)号:US3885615A

    公开(公告)日:1975-05-27

    申请号:US26046372

    申请日:1972-06-07

    Applicant: DUNLOP LTD

    CPC classification number: B60B3/04 B60B25/00 B60B25/22

    Abstract: A rim for a pneumatic tire comprising two rim parts, the first rim part consists of a tire bead retaining flange and bead seating portion and is secured to a second rim part which comprises the other tire bead retaining flange. The second rim part is formed in the region adjacent the first rim part with a circumferentially extending radially outwardly projecting hump portion which is arranged to be capable of making air-tight sealing engagement with the bead of an associated tire seated on the first rim part. The second rim part also comprises a shallow well portion of sufficient depth to enable a tire bead to be passed over the hump portion.

    Abstract translation: 一种用于包括两个轮辋部分的充气轮胎的轮辋,所述第一轮辋部分由轮胎胎圈保持凸缘和胎圈支座部分组成,并且固定到包括另一轮胎胎圈保持凸缘的第二轮辋部分。 第二边缘部分形成在与第一边缘部分相邻的区域中,周向延伸的径向向外突出的隆起部分被布置成能够与坐在第一边缘部分上的相关轮胎的珠缘进行气密密封接合。 第二轮辋部分还包括足够深度的浅井部分,以使轮胎胎圈能够穿过驼峰部分。

    Vehicle wheels
    63.
    发明授权
    Vehicle wheels 失效
    车轮

    公开(公告)号:US3880219A

    公开(公告)日:1975-04-29

    申请号:US37070773

    申请日:1973-06-18

    Applicant: DUNLOP LTD

    CPC classification number: B60B25/22 Y10S152/10

    Abstract: A wheel rim having two rim portions secured together by fastening members engaging radially inwardly extending attachment flanges, a channel being formed between the attachment flanges to receive a sealing ring of smaller width, measured in the radial direction of the rim, than that of the channel measured in the radial direction.

    Abstract translation: 具有两个轮辋部分的轮辋,其通过紧固构件固定在一起,所述紧固构件与径向向内延伸的附接凸缘相接合,通道形成在所述附接凸缘之间,用于接纳在所述轮辋的径向方向上测量的较小宽度的密封环, 在径向测量。

    Pneumatic tires
    64.
    发明授权
    Pneumatic tires 失效
    气动轮胎

    公开(公告)号:US3851691A

    公开(公告)日:1974-12-03

    申请号:US29081472

    申请日:1972-09-21

    Applicant: DUNLOP LTD

    Inventor: FRENCH T

    CPC classification number: B60C3/04 B60C15/0226

    Abstract: A tire in which the stiffness of the tread and sidewall structure and the width of the tread is such that in use deflated with the beads in position on a wheel rim and subjected to lateral force one sidewall is tensioned while the other is maintained as a fold constituting a cushion of rubber between the wheel rim flange and the road surface of which the following is a specification.

    Abstract translation: 其中胎面和侧壁结构的刚度和胎面宽度的轮胎使得在使用中将胎圈放置在轮缘上的位置并受到侧向力的作用时,一个侧壁被张紧,而另一侧被保持为折叠 在轮缘法兰和路面之间构成橡胶缓冲垫,其中以下是规格。

    Springs
    67.
    发明授权
    Springs 失效
    弹簧

    公开(公告)号:US3830483A

    公开(公告)日:1974-08-20

    申请号:US29050572

    申请日:1972-09-20

    Applicant: DUNLOP LTD

    Inventor: GAYDECKI J

    CPC classification number: B61F5/305 F16F1/40

    Abstract: A chevron spring comprising two angled metal plates of V-shaped cross-section and an intermediate elastomeric element of substantially rectangular shape from which at least the corner portions are absent, of which the following is a specification.

    Abstract translation: 一种人字形弹簧,包括V形横截面的两个成角度的金属板和至少角部不存在的大致矩形形状的中间弹性体元件,其中以下是规格。

    Burners
    68.
    发明授权
    Burners 失效
    燃烧器

    公开(公告)号:US3806307A

    公开(公告)日:1974-04-23

    申请号:US26762172

    申请日:1972-06-29

    Applicant: DUNLOP LTD

    Inventor: WARE P

    CPC classification number: F23D14/20

    Abstract: A burner element for fluid fuels provided with a plurality of tubular combustion air passages which extend through a fuel supply gallery, the fuel gallery being provided with a number of fuel outlet passages and a surface member in the form of a sheet of metal material arranged to extend ajacent one end of the combustion air passages, the surface member being provided with a plurality of tubular projections corresponding with the plurality of combustion air passages, the tubular projections being arranged to extend outwardly from the element, of which the following is a specification.

    Abstract translation: 一种用于流体燃料的燃烧器元件,其设置有延伸穿过燃料供应管道的多个管状燃烧空气通道,所述燃料管道设置有多个燃料出口通道和金属材料片形式的表面构件, 在燃烧空气通道的相邻一端延伸,表面构件设置有与多个燃烧空气通道相对应的多个管状突起,管状突起被布置成从元件向外延伸,其中以下是说明。

    Polyurethane foams
    69.
    发明授权

    公开(公告)号:US3793240A

    公开(公告)日:1974-02-19

    申请号:US3793240D

    申请日:1972-09-07

    Applicant: DUNLOP LTD

    Inventor: SMITH J

    CPC classification number: C08G18/79 C08G18/225

    Abstract: FLAME-RESISTANT POLYURETHANE FOAMS ARE OBTAINED BY REACTING A POLYMERIC POLYOL WITH AN ORGANIC POLYISOCYAMATE IN A REACTION MIXTURE WHICH CONTAINS (A) AS A CATALYST AND ANIONIC SURFACTANT AND (B) AN ACIDOGENIC SUBSTANCE AS AN ANTI-GING ADDITIVE. SUITABLE CATALYSTS ARE THE SODIUM OR POTASSIUM SALT OF ALEIC ACID, AND ANTI-AGING ADDITIVE IS PREFERABLY A CHLORO- OR BROMO-DERIVATIVE OF A TRIALKYL ORTHOPHOSPHATE, OF WHICH THE FOLLOWING IS A SPECIFICATION.

    Electric motor speed control systems
    70.
    发明授权
    Electric motor speed control systems 失效
    电动马达速度控制系统

    公开(公告)号:US3783360A

    公开(公告)日:1974-01-01

    申请号:US3783360D

    申请日:1972-05-23

    Applicant: DUNLOP LTD

    Inventor: BUNDY J

    CPC classification number: H02P7/29 H02P7/05 H02P7/2913 H02P7/293

    Abstract: A control system, for maintaining an electric motor at a required speed of rotation irrespective of the externally applied load, in which a command input provides a voltage proportional to the desired speed and direction of rotation of the motor and a switching circuit supplies current to the motor as a series of current pulses of constant frequency. The switching circuit is arranged to vary the duration of the pulses of current applied to the motor in response to input signals received from the command input and two negative feed back loops, one feed back loop being arranged to feed back a voltage dependent on the actual velocity of the motor and the other on the acceleration of the motor, of which the following is a Specification.

    Abstract translation: 一种控制系统,用于将电动机维持在所需的旋转速度,而不管外部施加的负载如何,其中命令输入提供与所述电动机的期望速度和旋转方向成比例的电压,并且开关电路将电流提供给 电机作为一系列恒定频率的电流脉冲。 开关电路被布置成响应于从命令输入和两个负的反馈回路接收的输入信号而改变施加到电动机的电流的脉冲的持续时间,一个反馈回路被布置为反馈取决于实际的 电机的速度和电机的加速度,其中以下是规格。

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