公开(公告)号：US07415829B2

公开(公告)日：2008-08-26

申请号：US10537639

申请日：2003-12-09

Applicant: Norbert Rolff

Inventor： Norbert Rolff

IPC: F25D25/00 ,  F01B31/00 ,  F04B43/12

CPC classification number: F25B9/14 ,  F04B7/04 ,  F04B39/0005 ,  F04B39/0016 ,  F04B53/148

Abstract: A piston compressor comprises a piston (12) which oscillates in a cylinder (14). A compressed-gas supply arrangement is provided which comprises a compressed-gas accumulator (34), a compressed-gas supply line (18) between a compressed-gas source (20) and the compressed-gas accumulator (34). Further, the compressed-gas supply line (18) comprises an inlet valve (42) which is open when the piston (12) is in a filling position. The inlet valve (42) is defined by a cylinder wall opening (22) and a piston wall opening (38) which are located opposite each other when the piston (12) is in the filling position, thus defining an open valve, and which are closed by the piston wall (40) and the cylinder wall (24), respectively, when the piston (12) is in the non-filling position, thus defining a closed valve. Thereby, a valve is provided which does not comprise any moving parts and is thus easy to manufacture, is highly reliable and has a long service life.

Abstract translation: 活塞式压缩机包括在气缸（14）中振荡的活塞（12）。 提供一种压缩气体供应装置，其包括压缩气体储存器（34），压缩气体源（20）和压缩气体蓄积器（34）之间的压缩气体供应管线（18）。 此外，压缩气体供应管线（18）包括当活塞（12）处于填充位置时打开的入口阀（42）。 入口阀（42）由活塞（12）处于填充位置时彼此相对定位的气缸壁开口（22）和活塞壁开口（38）限定，从而限定开阀 在活塞（12）处于非填充位置时分别由活塞壁（40）和气缸壁（24）封闭，从而限定了一个闭合的阀。 因此，提供了不包括任何运动部件并且因此易于制造，高可靠性并且具有长的使用寿命的阀。

公开(公告)号：US5770956A

公开(公告)日：1998-06-23

申请号：US578574

申请日：1996-06-13

Applicant: Norbert Rolff

Inventor： Norbert Rolff

IPC: G01R1/30 ,  G01R19/00 ,  G01R19/252 ,  G01R35/02 ,  G06G7/186 ,  H03F1/30 ,  H03F3/70 ,  H03C3/00 ,  G06G7/64

CPC classification number: H03F3/70 ,  G01R19/0092 ,  G01R19/252 ,  G01R35/02 ,  G06G7/1865 ,  H03F1/303 ,  G01R1/30

Abstract: A measurement amplifier has an integrator circuit (2) and a reference current source (33) which supplies a reference current to the input of the integrator when the voltage set at the output of the integrator (2) exceeds or falls below a reference voltage. In addition, a differentiator, for example, is provided which receives the output voltage of the integrator (2) and supplies an output signal which is proportional to the variation in time of the output voltage of the integrator. The output voltage of the differentiator is proportional to the input current to be measured by the measurement amplifier. The measurement amplifier allows very weak input currents to be rapidly and accurately detected.

Abstract translation: PCT No.PCT / EP94 / 01686 Sec。 371日期：1996年6月13日 102（e）日期1996年6月13日PCT 1994年5月26日PCT公布。 公开号WO95 / 00856 日期1995年1月5日测量放大器具有积分器电路（2）和参考电流源（33），当积分器（2）的输出设置的电压超过或降低时，该参考电流源（33）向积分器的输入端提供参考电流 低于参考电压。 此外，提供了一个微分器，其接收积分器（2）的输出电压并提供与积分器的输出电压的时间变化成比例的输出信号。 微分器的输出电压与测量放大器要测量的输入电流成比例。 测量放大器允许快速准确地检测非常弱的输入电流。

公开(公告)号：US08302454B2

公开(公告)日：2012-11-06

申请号：US11922038

申请日：2006-06-02

Applicant: Norbert Rolff ,  Randolf Paul Rolff ,  Ludolf Gerdau

Inventor： Norbert Rolff ,  Randolf Paul Rolff ,  Ludolf Gerdau

IPC: G01N21/00

CPC classification number: G01M3/207 ,  G01M3/202

Abstract: Usually, a sniffing leak detector must be calibrated for each tracing gas. The calibration comprises ranging of the spectral positions into the mass spectrum and the amplitude height. At least one mass line is determined with a calibrating gas. The mass lines lying between two mass lines and/or between a zero point and a line are determined by interpolation and/or extrapolation. In this manner, a sniffing leak detector can be used for such tracing gases which have not previously been used for calibration purposes.

Abstract translation: 通常，每个跟踪气体必须校准一个嗅探检漏仪。 校准包括光谱位置到质谱和振幅高度的范围。 用校准气体确定至少一条质量线。 位于两条质量线之间和/或零点与一条线之间的质量线通过内插和/或外推来确定。 以这种方式，嗅探检测器可用于以前未用于校准目的的追踪气体。

公开(公告)号：US06474172B1

公开(公告)日：2002-11-05

申请号：US09508605

申请日：2000-05-10

Applicant: Norbert Rolff ,  Rudolf Stocker

Inventor： Norbert Rolff ,  Rudolf Stocker

IPC: G01L2112

CPC classification number: G01L21/12

Abstract: Two resistance elements (3, 6) are used for eliminating the influence of wall temperature on the gas pressure in a vessel, determined by a Pirani manometer. The first resistance element (3) is present in a first branch of a Wheatstone bridge (1), and the voltage is tapped by means of a voltage divider (7). The second resistance element (6) is present with a series resistance (5) in the second branch and is adjusted to a lower temperature. The changes in the voltages tapped at the branches are essentially identical for identical temperature changes at the resistance elements (3, 6), so that the Wheatstone bridge (1) remains balanced. The adjustment is improved by a constant current source (11). Another embodiment uses only one resistance element, whose temperature is reduced periodically during the balancing of the Wheatstone bridge and, after thermal equilibrium has been established, is determined by determining its resistance by means of a low constant current and is used for the computational compensation of the effect of the wall temperature. In a further embodiment, transient effects are produced by periodically switching a resistance back and forth and the frequencies are measured, from which the gas pressure is then determined.

Abstract translation: 两个电阻元件（3,6）用于消除由Pirani压力计确定的壁温度对容器内气体压力的影响。 第一电阻元件（3）存在于惠斯通电桥（1）的第一支路中，并借助分压器（7）对电压进行抽头。 第二电阻元件（6）在第二支路中具有串联电阻（5），并被调节到更低的温度。 在电阻元件（3,6）处的相同温度变化下，分支点的电压变化基本相同，从而惠斯通电桥（1）保持平衡。 通过恒定电流源（11）改善了调整。 另一个实施例仅使用一个电阻元件，其在惠斯登电桥的平衡期间周期性地降低其温度，并且在建立热平衡之后，通过借助于低恒定电流确定其电阻来确定其并且用于计算补偿 壁温的影响。 在另一个实施例中，通过周期性地切换电阻产生瞬态效应，并且测量频率，然后确定气体压力。

公开(公告)号：US08893543B2

公开(公告)日：2014-11-25

申请号：US13142981

申请日：2009-12-15

Applicant: Martin Bohn ,  Norbert Rolff ,  Jochen Puchalla ,  Michael Dauenhauer

Inventor： Martin Bohn ,  Norbert Rolff ,  Jochen Puchalla ,  Michael Dauenhauer

IPC: G01M3/04 ,  G01M3/22 ,  G01M3/20

CPC classification number: G01M3/202 ,  G01M3/226

Abstract: A leak detection method using a specimen filled with a test gas positioned in front of a suction opening. Air is suctioned along the entire surface of the specimen and takes up test gas in the case of a leak. The test gas is recognized by a test gas detector. According to the invention, full mobility of the specimen is ensured during the testing process so that the leak detection method can be carried out while the specimens are moving past the suction opening.

Abstract translation: 一种泄漏检测方法，其使用填充有位于吸入口前方的测试气体的样本。 在试样的整个表面吸入空气，并在泄漏的情况下吸收试验气体。 测试气体被测试气体检测器识别。 根据本发明，在测试过程中确保了样品的完全移动性，使得在样本移动通过吸入口时可以进行泄漏检测方法。

公开(公告)号：US08416091B2

公开(公告)日：2013-04-09

申请号：US11630502

申请日：2005-06-22

Applicant: Randolf Rolff ,  Ralf Kilian ,  Jörn Liebich ,  Norbert Moser ,  Norbert Rolff

Inventor： Randolf Rolff ,  Ralf Kilian ,  Jörn Liebich ,  Norbert Moser ,  Norbert Rolff

IPC: G08B17/10

CPC classification number: G01M3/205

Abstract: An illumination device is provided at the handle-piece of a sniffing probe, in which the illumination device illuminates the region to be inspected. This incorporation considerably facilitates handling of the sniffing probe in difficult-to-access and poorly illuminated regions, for sniffing probes used for detecting gases, for example, for detecting a gas leakage in a cooling device of a motor vehicle.

Abstract translation: 照明装置设置在嗅探针的手柄处，照明装置照射待检查的区域。 这种并入显着地有助于处理难以进入和不良照射区域中的嗅探头，用于检测用于检测气体的探测探针，例如用于检测机动车辆的冷却装置中的气体泄漏。

公开(公告)号：US20100005861A1

公开(公告)日：2010-01-14

申请号：US12311581

申请日：2007-09-10

Applicant: Daniel Wetzig ,  Norbert Rolff

Inventor： Daniel Wetzig ,  Norbert Rolff

IPC: G01M3/04

CPC classification number: G01M3/202

Abstract: To achieve a large measurement range from small up to larger leakage rates, a switchover from normal operation to gross operation occurs. In gross operation, the sucked-in gas flow is separated by different throttles, wherein the throttle that leads to the test gas sensor has a low flow rate. This manner of operation prevents a too large quantity of test gas from reaching the sensor surface and contaminating the sensor. In another alternative, in gross operation the test gas flows only across a part of the sensor surface. The other part is flushed.

Abstract translation: 为了实现从小到大泄漏率的大测量范围，发生从正常操作到总操作的切换。 在总操作中，吸入气流由不同的节流阀分开，其中通向测试气体传感器的节流阀具有低流量。 这种操作方式防止太大量的测试气体到达传感器表面并污染传感器。 在另一个替代方案中，在总体操作中，测试气体仅在传感器表面的一部分上流动。 另一部分被冲洗。

公开(公告)号：US20090314052A1

公开(公告)日：2009-12-24

申请号：US11922038

申请日：2006-06-02

Applicant: Norbert Rolff ,  Randolf Paul Rolff ,  Ludolf Gerdau

Inventor： Norbert Rolff ,  Randolf Paul Rolff ,  Ludolf Gerdau

IPC: G01M3/20

CPC classification number: G01M3/207 ,  G01M3/202

Abstract: Usually, a sniffing leak detector must be calibrated for each tracing gas. The calibration comprises ranging of the spectral positions into the mass spectrum and the amplitude height. At least one mass line is determined with a calibrating gas. The mass lines lying between two mass lines and/or between a zero point and a line are determined by interpolation and/or extrapolation. In this manner, a sniffing leak detector can be used for such tracing gases which have not previously been used for calibration purposes.

Abstract translation: 通常，每个跟踪气体必须校准一个嗅探检漏仪。 校准包括光谱位置到质谱和振幅高度的范围。 用校准气体确定至少一条质量线。 位于两条质量线之间和/或零点与一条线之间的质量线通过内插和/或外推来确定。 以这种方式，嗅探检测器可用于以前未用于校准目的的追踪气体。

公开(公告)号：US20090188302A1

公开(公告)日：2009-07-30

申请号：US12308720

申请日：2007-06-01

Applicant: Norbert Rolff ,  Randolf Rolff ,  Sandra Seitz ,  Werner Grosse Bley ,  Thomas Boehm ,  Daniel Wetzig

Inventor： Norbert Rolff ,  Randolf Rolff ,  Sandra Seitz ,  Werner Grosse Bley ,  Thomas Boehm ,  Daniel Wetzig

IPC: G01M3/20

CPC classification number: G01M3/207

Abstract: A leak detector comprising a base appliance provided with a gas detector, a vacuum pump, and a control device. A sniffer probe is connected to the base appliance. A test leak device containing the supply of test gas is arranged in a separate sub-housing. The sub-housing also contains a temperature sensor, a processor, and a data memory. The processor corrects the measured temperature according to a sample, and modulates the light of a light barrier. The processor is connected to the control device in the base appliance by a data cable.

Abstract translation: 一种泄漏检测器，包括设置有气体检测器，真空泵和控制装置的基本设备。 嗅探器探头连接到基础设备。 包含供应测试气体的测试泄漏装置被布置在单独的子壳体中。 子壳体还包含温度传感器，处理器和数据存储器。 处理器根据样品校正测量的温度，并调制光栅的光。 处理器通过数据电缆连接到基础设备中的控制设备。

公开(公告)号：US20080223112A1

公开(公告)日：2008-09-18

申请号：US11630502

申请日：2005-06-22

Applicant: Randolf Rolff ,  Ralf Kilian ,  Jorn Licbich ,  Norbert Moser ,  Norbert Rolff

Inventor： Randolf Rolff ,  Ralf Kilian ,  Jorn Licbich ,  Norbert Moser ,  Norbert Rolff

IPC: G01M3/04

CPC classification number: G01M3/205

Abstract: Sniffing probes are frequently used for detecting leaking gases in difficult-to-access and poorly visible environments, for example for detecting a gas leakage in a cooling device of a motor vehicle. It is an object of the invention to improve handling of the sniffing probe. According to the invention, the object is achieved by providing an illumination device (25) at the handle-piece (14) of the sniffing probe (11), which illumination device (25) illuminates the region to be inspected. This considerably facilitates handling of the sniffing probe in difficult-to-access and poorly illuminated regions.

Abstract translation: 嗅探头经常用于检测难以进入和不良视觉环境中的泄漏气体，例如用于检测机动车辆的冷却装置中的气体泄漏。 本发明的目的是改进嗅探针的处理。 根据本发明，目的是通过在嗅探头（11）的手柄（14）处设置照明装置（25），该照明装置（25）照亮要检查的区域。 这极大地方便了难以进入和欠光照区域的嗅探头的处理。