公开(公告)号：WO1993001417A1

公开(公告)日：1993-01-21

申请号：PCT/DK1992000203

申请日：1992-06-29

Applicant: DANFOSS A/S ,  FRIEDRICHSEN, Welm

Inventor： DANFOSS A/S

IPC: F15B13/043

CPC classification number: F15B11/165 ,  F15B21/087 ,  F15B2211/20546 ,  F15B2211/30525 ,  F15B2211/30535 ,  F15B2211/3111 ,  F15B2211/327 ,  F15B2211/6054 ,  F15B2211/63 ,  F15B2211/6309 ,  F15B2211/6313 ,  F15B2211/634 ,  F15B2211/6346 ,  F15B2211/7054 ,  F15B2211/7058 ,  F15B2211/7135

Abstract: A hydraulic system has a pump (1) with at least one load (4, 5) and accompanying bi-directional valves (8, 8a). A first comparator (A) establishes which motor line (6, 7) is carrying the higher load pressure. A second comparator (B) establishes whether the input-side motor line (6, 7) allocated a directional signal identifying the direction of the valve displacement is carrying the higher pressure or whether a load (4, 5) is being operated with negative loading. Depending on the result of the comparison, the load pressure signal (y1, y2) can be processed differently.

公开(公告)号：WO1998025029A1

公开(公告)日：1998-06-11

申请号：PCT/DK1997000551

申请日：1997-12-02

Applicant: DANFOSS A/S ,  KLAUSEN, Jorn, Holger ,  MADSEN, Ingvard, Mosby ,  FROSLEV, Peter

Inventor： DANFOSS A/S

IPC: F04C02/10

CPC classification number: F04C14/24 ,  F04C11/00 ,  F04C14/08 ,  F04C14/28 ,  F04C15/0026

Abstract: Motor pump unit in which the pump comprises a first rotating or orbiting displacement element, which performs a relative movement in relation to a second displacement element. The motor is an electric motor driving the pump directly by means of a common shaft, which extends through a common flange containing the bearing of the shaft, the common flange forming the basis of connection of the motor and the pump. This enables a compact construction of the motor pump unit, demanding no means for connection of motor and pump. The efficiency of the motor pump unit is thus increased. The weight of the motor pump unit can become so low that the unit will be particularly suited for fitting in a portable high pressure cleaner. The motor pump unit can also be used as fuel pump in an oil burner.

Abstract translation: 电动泵单元，其中泵包括相对于第二位移元件执行相对运动的第一旋转或轨道位移元件。 马达是一个电动马达，通过一个公共轴直接驱动泵，该公共轴延伸穿过包含轴承轴承的公共凸缘，共同的凸缘形成电动机和泵的连接的基础。 这使得马达泵单元的结构紧凑，不需要连接马达和泵的装置。 因此，马达泵单元的效率增加。 电机泵单元的重量可能变得非常低，使得该单元将特别适于装配在便携式高压清洁器中。 电动泵单元也可以用作油燃烧器中的燃油泵。

公开(公告)号：WO1998022763A1

公开(公告)日：1998-05-28

申请号：PCT/EP1997006357

申请日：1997-11-14

Applicant: DANFOSS A/S ,  JENSEN, Kenn, Sonder ,  SCHMIDT, Frede

Inventor： DANFOSS A/S

IPC: F25B41/06

CPC classification number: F25B41/062 ,  F25B2341/0681 ,  F25B2500/05 ,  F25B2600/21

Abstract: In a process for regulating a refrigerating system (1) using an expansion valve (4), one side of the regulating member is pressed by the pressure of refrigerant at the evaporator side and the other side of the regulating member is pressed by the vapour pressure of a sensor system (22) whose sensor temperature is determined by the refrigerant saturation temperature and by the heat supplied by a heating element (27). Heat supply is regulated depending on a measurement value (overheating or liquid level). Also disclosed is a refrigerating system (1) regulated in this manner and an expansion valve (4) as essential component of such a system. An improved, economic and universally applicable regulation can thus be obtained.

Abstract translation: 一种控制制冷系统（1）的方法，由所述制冷剂的饱和温度使用的膨胀阀（4），其中，从所述蒸发器侧的制冷剂压力的致动器和从一个传感器系统的蒸汽压力的致动器的另一侧的所述一侧（22）被加载，传感器温度和 通过热供给通过加热元件（27）来确定。 供热以依赖控制的测定值（过热或液面）。 此外，提供了一种制冷系统（1），用于这种方案的实现和膨胀阀（4）作为必要成分。 这样就可以实现对成本和通用的方式改进的控制。

公开(公告)号：WO1998001741A1

公开(公告)日：1998-01-15

申请号：PCT/DK1997000288

申请日：1997-07-02

Applicant: DANFOSS A/S ,  ENGGAARD, Christian, Peter

Inventor： DANFOSS A/S

IPC: G01N13/00

CPC classification number: G01N27/4163

Abstract: The invention concerns a method for calibration of an analysis system (1) having a diaphragm (2), the outside of which is immersed into a medium (3) to be analysed, and on the inside of which a carrier fluid (9) for the admission of a species penetrating the diaphragm (2) is flowing. On this system a calibration in situ should be possible, without causing high costs for constructional measures. For this purpose, the carrier fluid is, in a calibration step, retained on the inside of the diaphragm (2) for a predetermined sojourn time, and then the load of species in the carrier fluid (9) is determined. In a further calibration step, the carrier fluid is led past the diaphragm at a speed also used for measurements, and the load of species in the carrier fluid is measured. Then the penetration behaviour of the diaphragm is determined on the basis of both load values.

Abstract translation: 本发明涉及一种用于校准分析系统（1）的方法，所述分析系统（1）具有隔膜（2），其外侧被浸​​入要分析的介质（3）中，并且其内侧具有用于 渗透隔膜（2）的物质的入口流动。 在这个系统上，原位校准应该是可能的，而不会导致建筑措施的高成本。 为此，载体流体在校准步骤中保持在隔膜（2）的内部预定的逗留时间，然后确定载体流体（9）中物质的载荷。 在进一步的校准步骤中，载体流体以也用于测量的速度被引导通过隔膜，并且测量载体流体中物质的载荷。 然后根据两个载荷值确定隔膜的穿透特性。

公开(公告)号：WO1997047975A1

公开(公告)日：1997-12-18

申请号：PCT/DK1997000248

申请日：1997-06-04

Applicant: DANFOSS A/S ,  JACOBSEN, Hans, Svankjær

Inventor： DANFOSS A/S

IPC: G01N35/08

CPC classification number: G01N35/085

Abstract: An analysis apparatus and an analysis method for the continuous determination of a species in a fluid is disclosed. For that purpose at least one reagent (R1, R2) reacting with the species is added to the fluid (T) in order to produce a reaction product dependent on the concentration of the species. The reaction product is evaluated in a detector device (9, 10). It is desirable to be able to carry out such continuous analyses quickly and reliably. To that end, at a first time after addition of the reagent (R1, R2) the reaction product is determined. A further determination is effected later at a different time. From the difference in the signals obtained with the findings, conclusions are drawn about the concentration of the species in the fluid.

Abstract translation: 公开了用于连续测定流体物种的分析装置和分析方法。 为此目的，将至少一种与物质反应的试剂（R1，R2）加入到流体（T）中，以便产生取决于物质浓度的反应产物。 在检测器装置（9,10）中评估反应产物。 希望能够快速，可靠地进行连续分析。 为此，在加入试剂（R1，R2）后第一次测定反应产物。 稍后在不同时间进行进一步的确定。 根据得到的信号的差异，得出关于物质在流体中的浓度的结论。

公开(公告)号：WO1997032170A1

公开(公告)日：1997-09-04

申请号：PCT/DK1997000084

申请日：1997-02-26

Applicant: DANFOSS A/S ,  HANSEN, Kim ,  BRENDTSEN, Christian

Inventor： DANFOSS A/S

IPC: F25B49/02

CPC classification number: F25B5/02 ,  F25B2341/0652 ,  F25B2341/0661 ,  F25B2400/075 ,  F25D17/02 ,  Y02B30/72

Abstract: A refrigeration system (1) is disclosed having a plurality of cooling surfaces (11), each of which is connected by way of a series-connected controlled valve (12) to a common refrigerant supply device (3), and having a control arrangement (13, 18) connected to the valves. It is desirable in such a refrigeration system to render the loading of the refrigerant supply device more uniform. For that purpose the control arrangement (13, 18) generates for each valve (12) a pulse-width modulated signal (25) for operation of the valve (12), all signals having the same period (Tper). The valves (12) of the individual cooling surfaces (11) open at staggered intervals with respect to one another.

Abstract translation: 公开了一种具有多个冷却表面（11）的制冷系统（1），每个冷却表面（11）通过串联连接的控制阀（12）连接到公共制冷剂供应装置（3），并具有控制装置 （13,18）连接到阀。 在这种制冷系统中，期望使制冷剂供给装置的装载更均匀。 为此，控制装置（13,18）为每个阀（12）生成用于操作阀（12）的脉宽调制信号（25），所有信号具有相同的周期（Tper）。 各个冷却表面（11）的阀（12）相对于彼此以交错的间隔打开。

公开(公告)号：WO1997030881A1

公开(公告)日：1997-08-28

申请号：PCT/DK1997000072

申请日：1997-02-18

Applicant: DANFOSS A/S ,  SORENSEN, Ole, Vincentz

Inventor： DANFOSS A/S

IPC: B62D05/097

CPC classification number: B62D5/32 ,  B62D5/097

Abstract: A hydraulic control device is disclosed, having a pressure connection and a tank connection and having a metering pump unit (4) that comprises at least two metering pumps (5, 6) connected hydraulically in parallel and operable mechanically in parallel and also a cut-off valve (8) in hydraulic connection between the two metering pumps (5, 6), the cut-off valve (8) being flange-mounted on a metering pump (6) and having in a housing (13) a slider member (12) which, under pressure form the pressure connection (P), is movable axially towards the metering pump (6). It is desirable to keep wear and tear to a low level in such a control device. For that purpose, a displacement-limiting device (26, 28) for the slider member (12) is provided, which prevents the slider member from bearing on the metering pump (6).

Abstract translation: 公开了一种具有压力连接和罐连接并具有计量泵单元（4）的液压控制装置，所述计量泵单元（4）包括并联液压并联并机械并联连接的至少两个计量泵（5,6） 在两个计量泵（5,6）之间液压连接的截止阀（8），截止阀（8）法兰安装在计量泵（6）上，并且在壳体（13）中具有滑动构件 12），其在压力下形成压力连接（P），可轴向移动到计量泵（6）。 希望在这种控制装置中将磨损保持在低水平。 为此，提供了一种用于滑动构件（12）的位移限制装置（26,28），其防止滑动构件承载在计量泵（6）上。

公开(公告)号：WO1997026508A1

公开(公告)日：1997-07-24

申请号：PCT/DK1997000023

申请日：1997-01-17

Applicant: DANFOSS A/S ,  LAURSEN, Mogens, Bech ,  HANSEN, Henning, Max ,  BIRKER, Bertel

Inventor： DANFOSS A/S

IPC: G01F01/84

CPC classification number: G01F1/8409 ,  B06B1/045 ,  G01F1/8422 ,  G01F1/8427 ,  G01F1/8472 ,  G01F1/8477 ,  G01N9/002

Abstract: The invention concerns a mass flowmeter for measurement of the mass and the density of a fluid flowing through a measuring pipe. The mass flowmeter uses the Coriolis principle for establishing mass and density. The mass flowmeter comprises at least one, preferably two, measuring pipes. Each measuring pipe is provided with an oscillation generator and a first oscillation detector and a second oscillation detector. The oscillation generator is meant for making the measuring pipes oscillate, and the oscillation detectors are meant for detecting oscillations in the measuring pipes when fluid flows through the measuring pipes. The oscillation detectors consist of armatures in the form of bar magnets extending into a ring coil. The coil is provided with a first winding and a second winding which are connected in series, and which are arranged at a distance from one another along a longitudinal axis. The first winding is wound in one direction around a longitudinal axis, and the second winding is wound in another, and in relation to the first winding, opposite direction around the longitudinal axis. This means that the measuring accuracy is increased, and at the same time the demand on mounting tolerances is reduced.

Abstract translation: 本发明涉及用于测量流过测量管的流体的质量和密度的质量流量计。 质量流量计使用科里奥利原理建立质量和密度。 质量流量计包括至少一个，优选两个测量管。 每个测量管设置有振荡发生器和第一振荡检测器和第二振荡检测器。 振荡发生器用于使测量管振荡，并且当流体流过测量管时，振荡探测器用于检测测量管中的振荡。 振荡检测器由延伸到环形线圈中的棒状磁体形式的电枢组成。 线圈设置有串联连接的第一绕组和第二绕组，它们沿着纵向轴线彼此间隔一定距离设置。 第一绕组围绕纵向轴线沿一个方向缠绕，并且第二绕组缠绕在另一绕组上，并且相对于第一绕组围绕纵向轴线相反。 这意味着测量精度提高，同时降低了对安装公差的要求。

公开(公告)号：WO1997021581A1

公开(公告)日：1997-06-19

申请号：PCT/DK1996000518

申请日：1996-12-10

Applicant: DANFOSS A/S ,  ROM, Holger, Krogsgård

Inventor： DANFOSS A/S

IPC: B62D05/093

CPC classification number: B62D1/28 ,  B62D5/06 ,  B62D5/097

Abstract: A hydraulic steering device is disclosed, having a housing (3) in which an inner control slider and an outer control slider are arranged so that they are rotatable relative to one another and which together are arranged as alterable flow path means between a supply connection arrangement and a working connection arrangement. In such a steering device it is desirable to produce a remote control facility of simple construction. To that end, each control slider is connected to a driving slider (12, 11), and between the two driving sliders there is created at least one pressure chamber (17a-d, 18a-d) which is acted upon by fluid under pressure, and a change in volume of the pressure chamber effects a relative displacement of the two control sliders.

Abstract translation: 公开了一种液压转向装置，其具有壳体（3），其中内部控制滑块和外部控制滑块布置成使得它们能够相对于彼此旋转，并且它们一起被布置为在供应连接装置 和工作连接装置。 在这种转向装置中，希望产生一种简单结构的遥控设备。 为此，每个控制滑块连接到驱动滑块（12,11），并且在两个驱动滑块之间产生至少一个压力室（17a-d，18a-d），其被压力下的流体作用 并且压力室的体积变化影响两个控制滑块的相对位移。

公开(公告)号：WO1997021269A1

公开(公告)日：1997-06-12

申请号：PCT/DK1996000512

申请日：1996-12-05

Applicant: DANFOSS A/S ,  RASMUSSEN, Henrik

Inventor： DANFOSS A/S

IPC: H02P21/00

CPC classification number: H02P21/141

Abstract: A method for the field-oriented control of an induction motor (2) by means of a frequency converter (1) is disclosed, in which method a transformation angle ( delta ) is determined by estimation and is corrected in dependence on a rotational speed ( omega mR) of a rotor flux vector (imR) or of the induction motor (2) and/or in dependence on a delay time (Tdel). In this connection it is desirable to improve the control behaviour. To that end, the transformation angle ( delta ) is corrected a second time to compensate for a phase shift in the frequency converter (1).

Abstract translation: 公开了一种通过变频器（1）对感应电动机（2）进行磁场定向控制的方法，其中通过估计确定变换角（delta），并根据转速（ 转子磁通矢量（imR）或感应电动机（2）和/或依赖于延迟时间（Tdel）的ωωmR）。 在这方面，期望改善控制行为。 为此，第二次校正变换角（delta）以补偿变频器（1）中的相移。