公开(公告)号：US4813287A

公开(公告)日：1989-03-21

申请号：US111712

申请日：1987-10-23

Applicant: Peter Walzel ,  Richard Juffa

Inventor： Peter Walzel ,  Richard Juffa

IPC: G01N3/08 ,  G01N3/00 ,  G01N3/56 ,  G01N33/00 ,  G01N33/44 ,  G01N35/04

CPC classification number: G01N3/565 ,  G01N33/445 ,  G01N2033/0077 ,  G01N2035/0441

Abstract: For improving an adequate statement about the processing properties of granulated material to be added to unvulcanized rubber a testing device is used consisting of a support for the test sample, a wedge-shaped tool and a linearly acting pressure generator, whereby as support, bearing means for agglomerates are arranged on either side of the working plane of the movable wedge-shaped tool with bearing forces acting predominantly parallel thereto.

Abstract translation: 为了改善关于待加入到未硫化橡胶中的粒状材料的加工性能的充分说明，使用的试验装置包括用于试验样品的支撑件，楔形工具和线性作用的压力发生器，由此作为支承装置 用于附聚物布置在可移动楔形工具的工作平面的任一侧上，其承载力主要与其平行。

公开(公告)号：US4238952A

公开(公告)日：1980-12-16

申请号：US47977

申请日：1979-06-13

Applicant: Rudiger Koopmann ,  Richard Juffa

Inventor： Rudiger Koopmann ,  Richard Juffa

IPC: G01N11/00 ,  G01N19/00 ,  G01N25/02

CPC classification number: G01N11/00

Abstract: The invention relates to the determination of characteristic rheological quantities of viscoelastic materials by measuring specific parameters which permit assertions to be made on the properties of the material owing to their functional correlation with the deformation or relaxation.

Abstract translation: 本发明涉及通过测量特定参数来确定粘弹性材料的特征流变学量，这些参数允许由于其与变形或松弛的功能相关性而对材料的性质作出断言。

公开(公告)号：US4228815A

公开(公告)日：1980-10-21

申请号：US868648

申请日：1978-01-11

Applicant: Richard Juffa ,  Georg Wawra ,  Walter Uerdingen

Inventor： Richard Juffa ,  Georg Wawra ,  Walter Uerdingen

IPC: G01F1/704 ,  G05D7/06 ,  G05D11/13

CPC classification number: G05D7/0635 ,  G01F1/7044 ,  G05D11/132 ,  Y10T137/0329 ,  Y10T137/0368 ,  Y10T137/2514

Abstract: The method is based on the fact that the particular components are conveyed through separate pipes into a mixing chamber. By measuring the transit time in at least one of the pipes the flowrate can be measured. The flow in the other pipes which is in a fixed ratio to the first flow is then adjusted automatically. For measuring the transit time a heat pulse is injected in at least one of the pipes and the transit time of the heat impulse is measured. The so-measured transit time is converted into an inversely proportional voltage and the flowrate in the other pipes is adjusted proportionally to this voltage. An apparatus is provided for practicing the method. The apparatus comprises flow measuring elements which are electrical connected to control devices which operate flow control devices in the pipes leading to the mixing chamber.

Abstract translation: 该方法基于以下事实：特定组分通过单独的管道输送到混合室中。 通过测量至少一个管道中的通过时间，可以测量流量。 然后自动调整与第一流量固定比例的其他管道中的流量。 为了测量在至少一个管道中注入热脉冲的通过时间，并测量热脉冲的通过时间。 如此测量的通过时间被转换为反比例的电压，并且其他管道中的流量被调整成与该电压成正比。 提供了一种用于实施该方法的装置。 该装置包括流量测量元件，其电连接到控制装置，该控制装置操作通向混合室的管道中的流量控制装置。

公开(公告)号：US4400147A

公开(公告)日：1983-08-23

申请号：US247610

申请日：1981-03-25

Applicant: Carl M. Springer ,  Bernd O. Theis ,  Georg Wawra ,  Richard Juffa

Inventor： Carl M. Springer ,  Bernd O. Theis ,  Georg Wawra ,  Richard Juffa

IPC: F04C2/18 ,  B05B12/14 ,  F04C13/00 ,  F01C1/18 ,  F04B49/00

CPC classification number: B05B12/14 ,  F04C13/005

Abstract: Flushable rotary gear pumps for delivering fluidic material, such as liquid coating material, may quickly and thoroughly be flushed of material of one type in preparation for delivering material of another type. In one embodiment, a valve selectively establishes a bypass channel between an inlet to and an outlet from a pump, thereby to accommodate a relatively large volume flow of flushing media through the pump and supply and delivery lines therefor. In another embodiment, the valve is structured to monitor fluid pressure developed by the pump and to automatically control and limit the pressure to a maximum value should an overpressure condition develop. In yet other embodiments passages are provided internally of the pump for conveying flushing media to all exposed surfaces of the gears, gear shafts and pump body to flush the same of coating material, whereby the entirety of the pump may readily be cleansed. If desired, the various features may be combined in a single pump.

Abstract translation: 用于输送流体材料（例如液体涂料）的可冲洗旋转齿轮泵可以快速且彻底地冲洗一种类型的材料，以准备输送另一种类型的材料。 在一个实施例中，阀选择性地在泵的入口和出口之间建立旁通通道，由此适应相对较大体积的冲洗介质流经泵以及供给和输送管线。 在另一个实施例中，阀被构造成监测由泵产生的流体压力，并且如果在超压状态发生时，将压力自动控制并将其限制在最大值。 在其它实施例中，通道设置在泵的内部，用于将冲洗介质输送到齿轮，齿轮轴和泵体的所有暴露表面，以冲洗其中的涂料，从而可以容易地清洁泵的整体。 如果需要，各种特征可以组合在单个泵中。

公开(公告)号：US4313482A

公开(公告)日：1982-02-02

申请号：US849750

申请日：1977-11-09

Applicant: Paul Vente ,  Richard Juffa ,  Dieter Seidenschnur ,  Ulrich Knipp

Inventor： Paul Vente ,  Richard Juffa ,  Dieter Seidenschnur ,  Ulrich Knipp

IPC: B29C67/00 ,  B29D30/00 ,  B29D30/08 ,  B29D30/62 ,  B60C5/00 ,  B60C5/01 ,  B60C13/00 ,  B60C17/08

CPC classification number: B60C5/007 ,  B29D30/08 ,  B29D30/62 ,  B60C13/00 ,  B60C13/009 ,  B60C17/08 ,  B60C5/00 ,  B29D2030/086 ,  B29D2030/201 ,  Y10T152/10855

Abstract: This invention relates to a pneumatic tire comprising a tread surface and two separate side parts of an elastomeric synthetic resin and optionally reinforcing elements, wherein the side part not only forms the side wall of the tire but extends from the rim wire to the mid-line of the tire and therefore also forms the foundation for the tread surface on one side, and to a process for the manufacture of such pneumatic tires.

Abstract translation: 本发明涉及一种充气轮胎，其包括胎面表面和弹性体合成树脂的两个分开的侧部以及任选的增强元件，其中侧部不仅形成轮胎的侧壁，而且从边缘线延伸到中线 并且因此也形成了一侧的胎面表面的基础以及用于制造这种充气轮胎的方法。

公开(公告)号：US4275822A

公开(公告)日：1981-06-30

申请号：US002774

申请日：1979-01-11

Applicant: Richard Juffa ,  Heinrich Boden

Inventor： Richard Juffa ,  Heinrich Boden

IPC: B29B7/00 ,  B01F15/04 ,  B01J4/02 ,  B29B7/32 ,  B29B7/72 ,  B29B7/76 ,  B29B7/94 ,  B29B9/00 ,  B29K75/00 ,  G05D11/13 ,  H02P5/51 ,  B67D5/08 ,  G06F15/46

CPC classification number: B29B7/7626 ,  G05D11/132 ,  H02P5/51 ,  Y10T137/2516

Abstract: The instant invention relates to an apparatus for metering at least two flowable reaction components, such as polyurethane-forming components, in a predetermined ratio into a mixing chamber. The apparatus broadly comprises a metering unit for each component, which is made up of a piston and cylinder, a feed pipe leading from a storage container into the cylinder, a delivery pipe leading from the cylinder to the mixing chamber and optionally a return pipe, and a drive unit. Each drive unit is in the form of an electro-hydraulic linear amplifier which comprises a stepping motor for a control mechanism which is coupled to a hydraulic piston and cylinder, wherein the drive unit is capable of driving the metering piston. Control electronics are provided for controlling the metering units. The controls comprise at least one adjustable control frequency generator for generating signals to be fed to the electro-hydraulic linear amplifiers to control the movements of the metering pistons. A first signal path is provided for conducting signals to at least one of the electro-hydraulic linear amplifiers from a control frequency generator and a second signal path is provided for conducting the control frequency generator signals to all other electro-hydraulic linear amplifiers via an adjustable frequency reducer.

Abstract translation: 本发明涉及一种将预定比例的至少两种可流动的反应组分如聚氨酯形成组分计量到混合室中的装置。 该设备广泛地包括用于每个部件的计量单元，其由活塞和气缸构成，从存储容器引导到气缸中的进料管，从气缸引导到混合室的输送管和可选的回流管， 和驱动单元。 每个驱动单元是电动液压线性放大器的形式，其包括联接到液压活塞和气缸的用于控制机构的步进电机，其中驱动单元能够驱动计量活塞。 控制电子设备用于控制计量单元。 控制装置包括至少一个可调控制频率发生器，用于产生要馈送到电动液压线性放大器以控制计量活塞运动的信号。 提供第一信号路径用于从控制频率发生器向至少一个电动液压线性放大器传导信号，并且提供第二信号路径，用于经由可调节的线性放大器将控制频率发生器信号传导到所有其它电动液压线性放大器 减速机

公开(公告)号：US4228683A

公开(公告)日：1980-10-21

申请号：US896825

申请日：1978-04-17

Applicant: Richard Juffa ,  Georg Wawra ,  Walter Uerdingen

Inventor： Richard Juffa ,  Georg Wawra ,  Walter Uerdingen

IPC: G01F1/704 ,  G05D7/06 ,  G05D11/13 ,  G01F1/68 ,  G01F1/70

CPC classification number: G05D11/132 ,  G01F1/7044 ,  G05D7/0635

Abstract: The instant invention provides a method for determining the streaming velocity of a streaming liquid by injecting a thermopulse into the liquid and measuring its transit time. The pulse is detected by its ascending flank at downstream points and by its ascending or descending flank at its point of injection. For short transit times, provision is made to eliminate the heat up time of the heating wire imparting the pulse from the transit time measurement. The liquid may stream continuously or discontinuously, and if the later, provision is made to delay measurement on initiation of flow until the flow pattern has stabilized. The time is determined by counting pulses from a pulse generator during the period the pulse is traveling between the point of injection and a detection point or between two detection points.

Abstract translation: 本发明提供了一种通过将热脉冲注入液体并测量其通过时间来确定流动液体的流速的方法。 脉冲在其下游点的上升侧面及其在注射点的上升或下降侧面被检测。 对于短的运输时间，提供消除从通过时间测量传递脉冲的加热线的加热时间。 液体可以连续或不连续地流动，并且如果稍后提供延迟流量开始时的测量，直到流动模式已经稳定。 在脉冲在注射点和检测点之间或在两个检测点之间行进的时段期间，脉冲发生器的脉冲计数确定时间。