EP1141666A2 - Systeme pour separer et procede pour peser la masse inerte et la masse lourde de substances chimiques et de corps physiques - Google Patents

Systeme pour separer et procede pour peser la masse inerte et la masse lourde de substances chimiques et de corps physiques

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Publication number
EP1141666A2
EP1141666A2 EP00938571A EP00938571A EP1141666A2 EP 1141666 A2 EP1141666 A2 EP 1141666A2 EP 00938571 A EP00938571 A EP 00938571A EP 00938571 A EP00938571 A EP 00938571A EP 1141666 A2 EP1141666 A2 EP 1141666A2
Authority
EP
European Patent Office
Prior art keywords
mass
substance
measuring
rotation
guide body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00938571A
Other languages
German (de)
English (en)
Inventor
Manfred Alexander Gregor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1141666A2 publication Critical patent/EP1141666A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/10—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the torsional deformation of a weighing element is measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00

Definitions

  • the invention relates to an arrangement for separating and a method for weighing inertial mass and heavy mass of chemical substances and physical bodies.
  • the technical arrangement according to the invention for the separation of inert mass and heavy mass of chemical substances and physical bodies works by using the physical effect of horizontal components of neutral field strengths of independent neutral force fields of the earth's body, the earth's rotation field and the earth's gravitational field. Their neutral interaction receives the field strength of the earth's gravity field through the resulting field strength of these two fields.
  • the strong effect of the vertical component of the field strength of the earth's gravitational field can be observed physically through the 5 acceleration of a precipitated chemical substance or free-falling body.
  • Their physical effect can be measured by the falling mass, which is artificially preserved by means of a balance in the idle state, by the weight mass.
  • the physical basis of the method according to the invention is, according to the above, that the neutral force field of the earth as a uniform indivisible physical force field of independent neutral force fields of maintaining the earth's rotation by inert mass at any moment in time and maintaining the earth's gravity by heavy Mass is understood in every point of space, the stable interaction of which the earth's gravity field receives in every point of space-time. Its effect can be observed physically independently of the falling mass, and can therefore be used technically.
  • the independent fields are by independent field strengths ⁇ general mass rotation by a constant action by inert mass m ⁇ that chemically stable and physically stable substances rotating at every moment in time, in every second of an earth day, [FIGURE 9] around the fixed force center of the earth's rotation Body, and general mass attraction g by a constant effect due to heavy mass m s of the gravitationally chemically stable substances and physically stable bodies that are attracted to the fixed center of gravity of the earth's gravity in every place of the earth.
  • the unit of the fields is to be described by the resulting field strength g of the independent field strengths of the earth's rotation and gravity, which the earth's gravity field receives.
  • the effect of this field strength by the mass falling in the indivisible space-time can be measured by the acceleration of a substance or a body.
  • TABLE 1 to TABLE 4 in the description below contains the first measured quantities of directly measured quantities of heavy mass and inert mass, which are physically obtained by means of the technical arrangement described below under points 3 and 5 and measured using the technical method described under point 4 are.
  • connection which is important for physical experience and for the measurement-technical determination of equivalent effect quantities and equivalent measurement quantities of the mass with known physical quantities of the weight value of the weight mass in air, which can be measured by means of known technical methods of a weight balance of the choice [FIGURE 8], consists of the strong effect of the vertical component of the field strength of the earth's gravitational field due to the acceleration of free-falling bodies in a vacuum, namely that the magnitude of both quantities can be experienced in this direction in a physically indistinguishable manner. But the size is fundamentally not the same physically.
  • the counter-acceleration which acts in the opposite direction in every small particle of the falling mass and thereby keeps the mass stable in every space-time position, usually has the opposite positive sign.
  • a free fall absolute gravimeter manufactured by FALLER (1963) according to a US patent from AXIS was used. It works with a vacuum chamber and a very small fall distance of around 0.2 m. The mean values of the acceleration of gravity over the time average of a day have thus been determined for the purpose of re-measuring the basic gravity network, and
  • the technical task according to the invention is fundamentally different from a physical point of view. It is not about creating a new technical arrangement for the technical use of the physical effect of the field strength of the earth's gravity field, because there are plenty of them. These devices radio function due to the strong vertical acceleration of the fall acceleration, and the falling mass of substances and bodies.
  • the technical problem, the technical problem to be solved according to the invention is that a technical arrangement is to be produced, with which the persistence of a quantity of substance and a body in the state of rest can be artificially obtained physically independently of the strong effect of the acceleration of gravity in the vertical direction.
  • a compensation device is obviously to be produced, which technically functions fundamentally differently than the compensation device of a weight scale.
  • FIG. 9 illustrates the distinctive difference in the physical mode of action of a vertical balance according to the invention, which uses the weak physical effect of horizontal components of the field strength of the earth rotation field for weighing the size, for example the inertial mass, instead of the strong physical effect of vertical components of the gravitational field
  • the size of the field strength of the field and that of the acceleration of maintenance of the inertial mass in the state, the interaction of which can be observed in periodically occurring moments of the state of relative rest of the weighing sample has been explained in EXPLANATION on FIGURE 9 in SECTION 9 of this description.
  • the technical solution according to the invention has, for the aforementioned reasons, in contrast to weight scales, which regularly have a damping device for reliably reproducing the weight value of the weight, so that the vertical oscillation around the equilibrium position must be brought to zero in order to read the measured value more quickly by shortening the Settling time to come to rest, regularly no such damping.
  • it uses small vibrations around the equilibrium position to measure the size of the mass, and for this purpose enhances the synchronicity and coincidence of such vibrations in the manner described in more detail in section 3 below.
  • the distinctive difference to the technical means of choice for producing the compensation device for a balance of the known type can be seen, for example in the
  • the measuring containers of the amount of substance of the body can be produced technically and obtained artificially, and
  • FUNCTIONAL SCHEMES 1 and 2 of the process example TABLE 1 and TABLE 2 show an overview of some characteristic features and technical characteristics of the physical mode of operation and the technical functioning of a technical embodiment of an arrangement according to the invention, with which this technical problem according to the invention can be achieved.
  • the arrangement is technically preferred produced by means of a vertical guide body for the measuring container for the quantities of substance, as has been characterized in more detail in PATENT CLAIM 2, PATENT CLAIM 3, and PATENT CLAIM 4.
  • This guide body corresponds to the "weighing beam" of a balance insofar as, together with the elastic drain axis system, it is the technical implementation of the compensation device, with which the effect of field strengths of the earth's rotation field due to inert mass and the earth's gravitational field due to heavy mass can be measured in the same direction, in which the effect of the field strength of the earth's gravity field has disappeared due to the weight.
  • the compensation device is designed and manufactured in such a way that small guide vibrations of the measuring container in the horizontal direction with the accuracy required above about the perpendicular direction as the stable equilibrium position and the central main plane of symmetry of the guide 1 vibrations - FIGURE 1 - technically manufactured and artificially preserved.
  • those physical effects are stable that are needed to measure the size of mass, which periodically passes at a technically feasible speed in one direction between fixed resting points, in which the field strength of the earth's gravity field physically disappears in the borderline case and has practically no effect.
  • the mean constant size of the transition speed which means
  • PATENT CLAIM 2 and PATENT CLAIM 4 are typically in the range of micrometers per second.
  • the movement of the mass from places of undisturbed persistence in the state of rest is so little different from the state of rest itself due to this small size of the transfer speed into opposite places of renewed short insistence in the state of rest that in this way the stated technical problem is solved to measure the size of a resting mass in a neutral field that physically does not work in principle through the gravitational field.
  • the natural energy source of the guide movement is the small intrinsic energy of the effect of the neutral interaction of the horizontal component of the neutral field strength of the earth's gravitational field due to the heavy mass and the earth's rotation field due to the inertial mass of the guide body, and thus in the MBS measuring container below or in the MBT above -Measuring container - FIGURE 5
  • this energy source made usable with mechanical guide bodies regularly remains very small - it can be estimated on the basis of the aforementioned accelerations and transition paths in the micrometer range in the microjoule range - is the compensation bearing of a balance according to the invention for weighing heavy mass and from
  • the technical means according to the invention of combining the contradictory technical requirements to produce the bearing bodies from a plastically flowing elastic material - which is what every plastic is known to do - technically, because excellent small transverse torques can thus be obtained technically for the utilization of the physical effect described above, and at the same time to technically create a stable position of the main axis of rotation with the required tolerance in the nanometer range, consists of installing a radial insert ball bearing actuator in the bearing frame, after which the elastic bearing body, which slowly lengthens over time, has to be wound around exactly the piece around which it was up to then lengthened.
  • the combination of a thrust bearing actuator in the bearing frame for controlling the tensile force in the bearing body and a lever bearing in the guide body for maintaining the highest tensile stress in the bearing body is therefore a characteristic feature of the technical solution according to the invention.
  • This combination of technical means according to the invention makes it possible to advantageously combine soft materials and hard materials and to use them in such a way that the advantages of the elasticity of the soft material are exploited and the disadvantages of the plasticity of the soft material can be technically eliminated.
  • FIGURE 10 and FIGURE 11 show an example instead of for a separating scale with a vertical plane of rotation and a vertical plane of vibration of the horizontal guide movement of the measuring container in periodic resting positions around a main axis of rotation 0 'which is stable in a horizontal manner is so obvious that this goes without saying without further explanations.
  • a technical arrangement according to the invention for the separation of heavy mass and inert mass is regularly an arrangement by means of an MBS measuring container for weighing the size of heavy mass below a main axis of rotation 0 ' obtained in a horizontally stable manner as described above, and by means of an MBT measuring container for weighing the Size of inert mass above the horizontal main axis of rotation 0 ' , as has been shown in FIGURE 1 to FIGURE 7.
  • FIGURE 10 schematically exaggerates a technical characteristic functional feature of the technical arrangement according to the invention.
  • the compensation device of the arrangement must have a length compensation device to compensate for the elongation as a result of irreversible stretch.
  • This length compensation device is the actuator installed in the bearing frame. On the vertical scale, it also serves as an adjusting element for the size of the cone angle of the guide body around the main axis of rotation 0 ' . In contrast to the heavy pendulum, the guide body hangs exactly vertically only in the main plane of symmetry - FIGURE 1, FIGURE 4.
  • the measuring range of the field strength effect and guiding range of the amount of substance is divided into four characteristic, physically and metrologically distinct separate sub-areas I, II, III, IV of a momentary left-hand swing or right-hand swing against the vertical middle equilibrium position of the guide body of the weighing or measuring container
  • Upper spatial guiding area of the MBT container for measuring the size of the inertial mass is present, and a lower guiding area of the MBS container for measuring the size of the heavy mass.
  • the effect of inertial mass in the upper measuring container is illustrated in FIGURE 9.
  • the associated tables explain this effect by means of horizontal field strength components of the earth's rotation additionally using equivalent force effects.
  • the method according to the invention dispenses with its technical use because the direct measurement of these variables is much more difficult and much less reliably reproducible is than that of the large ones, which can be obtained by means of the method according to the invention.
  • the full effect of the load mass by adding the amount of substance in the MBT container in the perpendicular direction and above the main axis of rotation 0 ' - FIGURE 2, FIGURE 4 - comes from physically
  • the decisive factor is that in this position the total amount of material in the unstable state of equilibrium of the weight of the amount of material in the MBT measuring container is added to the guide body.
  • the source of the force of the earth's rotation field is in the middle of the level of the balance, that is, in the middle of the daily orbit around the earth's rotation axis
  • the earth's rotation field acts sharply separated from the earth's gravitational field because its field strength lies in the center of the earth's body. This means that it works in a different direction.
  • the amount of substance is exchanged in the lower MBS container, not only does the position in the room change, but also the state the equilibrium of the weight In this position, the amount of material in the perpendicular direction is now in a stable equilibrium below the support point of its weight in the earth's sulfur field.
  • This part of the invention technical problem to be solved has been solved because in the upper measuring range the effect of the field strength of the earth field by questioning the mass of the amount of substance added to the guide body on the MBT container, but in contrast in the lower measuring range at a lower weighing level the effect of the field strength of the earth's gravitational field is affected by the heavy mass of the amount of substance added to the guide body in the MBS container , therefore the mass of the amount of substance in both measuring ranges must be shown and measured sharply separated by heavy mass or inert mass.
  • the second part of the technical problem to be solved according to the invention - the separation of heavy mass and inert mass - has also been technically solved.
  • the size of the heavy mass and the inert mass can ultimately be measured independently of the weight mass .
  • the object according to the invention of separating the heavy mass and the inert mass, and weighing the size of the heavy resting mass and the inert resting mass for weighable chemical substance and physical body is technically solved.
  • the measured variables for direct measurement of the size of the heavy mass and the size of the inert mass are to be measured by an equivalent size of the weight by a technical method .
  • its measured variables are determined physically independently of the time and length variables that can be experienced and measured by movements in the gravitational field.
  • the technical method according to the invention therefore uses the natural vibrations to solve the technical task of measuring the size of the inertial mass and the size of the heavy mass, which vibrations are to be represented and obtained independently of the gravitational field.
  • the technical solution according to the invention consists in combining the properties of a torsion transducer known per se with the technical arrangement described above to form a technical solution, so that the measurement-related task is thereby solved. This technical solution is described below.
  • the description of the method is to be given by deriving the measured value equations, whereby the size of the inert mass and the heavy mass is to be measured.
  • the size of the inert mass of a chemical substance quantity and a physical body can be measured according to the invention in that the quantity of substance or the weighing piece is placed in the upper MBT weighing container. The size of the inertial mass is then measured in the first measuring cycle.
  • the size of the heavy mass of the same amount of the same chemical substance or of the same physical body is to be measured according to the invention in that the quantity of substance or the weighing piece is subsequently exchanged in the lower MBT weighing container and is reinserted there. The size of the heavy mass must be measured in the second measuring cycle.
  • FIGURE 5 gives an example of how the size J of the axial moment of inertia is structurally defined with respect to the main axis of rotation.
  • FIGURE 2 gives an example for the production of the fixed position of the frictionless main axis of rotation by means of the axis of rotation system of the multi-shaft torsion gear according to the invention.
  • the size D o of the compensation torque of the rotary axis system is technically determined by the manner of manufacture of the torsion gear, the material of the elastic solid body, the manufacture of the stable holding of the rotary axis system, and the arrangement of the structures of the guide body.
  • the above-mentioned measurands are the quantities that are physically used to make the size of the resting heavy mass of a quantity of matter and a body by the mean constant effect of horizontal components of the gravitational field strength of the general mass attraction.
  • 1 mass to be measured for a quantity of substance vibrating in the gravitational field in the stable state of equilibrium of its weight using the following equation for the size of the heavy mass m s ⁇ "- (6)
  • the types of mass that are physically recorded in this way are to be interpreted with regard to the technical method according to the invention in a generally valid manner by the inertial mass and heavy mass of a certain quantity of a chemical substance and a physical body, which are weighed separately by means of the separating balance, as physically by means of physically independent equilibrium states to be distinguished and represented by means of a torsion vibrator through a stable state of equilibrium and an unstable state of equilibrium.
  • To be weighed and body substances between the upper and lower measuring vessel measuring container are by DA by physically secure certain sizes of the heavy mass (6) and the inertial mass (7) to be described by the technical process of the interchange of 0 mathematically, in principle, arbitrary accuracy.
  • a signal transmitter which converts the guide vibrations of the guide body of the measuring container for receiving the quantities of substance or body to be weighed into signal vibrations, preferably electromagnetic waves and light waves, manufactured e.g. by means of a laser radiator attached to the guide body, and made from a signal steering device for the signal receiver, for. B. by means of a mirror system for the deflection of the laser beam
  • a signal receiver and signal converter or signal current converter which catches the signal oscillation and converts it into measuring currents that are easy to amplify for processing, manufactured for.
  • a display device for the measured quantities of the effect of the amount of substance on the horizontal guiding movement of the vertically set guide body obtained by means of the signal currents in the MBS measuring container due to heavy mass and in the MBT measuring container due to inert mass; produced eg by means of 5 an electronic quartz stopwatch with a digital display of up to 1/1000 s for electronic intermediate stops of the duration of each individual, every second, ... lead vibration, or only the total duration of all directly counted lead vibrations, e.g.
  • FIGURE 7 shows all the components of the arrangement using an exemplary embodiment: the rigid guide body of the vertical torsion balance 1 swings about a vertical main plane of symmetry that remains stable perpendicular by means of the weight BK, about a central main axis of rotation 0 ′ aligned parallel to the horizontal plane.
  • the vertical equilibrium position can be clearly seen in the front view of FIGURE 4.
  • FIGURE 1 shows the main plane of symmetry and the magnitudes of the effect of the horizontal field strength components to be measured in the upper measuring range and in the lower measuring range by the different types of mass in a simplified schematic representation.
  • the laser beam LS (FtGUR 5) emerges upwards from the laser built into the hollow profile of the upper guide body basic profile.
  • the laser signal light beam then passes through a glass plate that is stably connected to the substructure.
  • the signal steering system 6 is mounted thereon. In this exemplary embodiment, this is made as a mirror surface arranged at an oblique angle from a totally reflecting heavy glass prism with a large base surface. It is diverted from here - FIGURE 7 - to signal receiver 3. There it falls on the light-sensitive base of the phototransistor 3 built into the signal receiver. This receives its working voltage in a known manner from the power supply of an amplifier via a cable connection.
  • the electronic amplifier 4 is electronically controlled by means of the light signals at the timing of the passage of the light signal of the horizontal guide vibrations of the weighing beam against the perpendicular main axis of symmetry about its horizontal main axis of rotation 0 ' .
  • the simultaneous transition of the inert mass of the amount of substance in the MBT measuring container and the guiding vibration of the guide body in moments of rest in time in the upper measuring range l, left and the coincident distance of the resting points of the heavy mass of the amount of substance in the MBS measuring container is from the vertical direction of the vertical line of gravity in steady-state locations in the room in the lower measuring range on a measuring screen behind the signal receiver - FIGURE 7 to be seen physically directly.
  • the electronically amplified continuous pulses of the light signal also control a second, electrical power amplifier of sufficient power, which is used to switch electromagnetic relays with spring contacts.
  • a second, electrical power amplifier of sufficient power which is used to switch electromagnetic relays with spring contacts.
  • the display device 5 of the measured values shows the time measurement result of the separate measurements. Depending on the design, further measurement results are to be displayed.
  • a complete measurement sequence for a reliable determination of the time value for determining the size of the inert mass or the size of the heavy mass of a certain amount of a chemical substance takes between about 2 minutes to about 5 minutes, depending on the desired accuracy of measurement. Then both measured values are available.
  • Table 1 to Table 4 contains the most important steps of the technical process of weighing the size of the heavy mass and the inert mass of chemical substances made of metallic compounds and of physical bodies of solid consistency in a clearly summarized table.
  • the amount of substance weighed consists of a certain amount of the chemical elements copper and zinc, which are alloyed in a brass compound, from which weighing pieces of 20 g, 10 g and 5 g have been produced.
  • the fourth test specimen is an aluminum weight of 0.5 g weight. The latter specimen is taken here - TABLE 4 - as an extreme value, because this shows the enormous possibilities of the method particularly clearly. Because with 5 less than 0.02% of the weight of the guide body of more than 2.51 kg, this item only has the 2000th fraction of the weight of the active part of the vertical scale. Nevertheless, the size of the heavy mass and the inert mass even of this small amount of substance can be recorded with a measurement error of only about 1.5%.
  • FIGURE 6 shows an overview of the arrangement of the main components of the vertical torsion balance used to carry out the method.
  • FIGURE 3, FIGURE 4, and FIGURE 5 show details of the arrangement and the technical implementation.
  • the vertical torsion balance - FIGURE 6 - consists of a weighing beam 12.
  • the weighted mass of the guide body with all components attached to it is approximately 2505 g without loads.
  • the axial moment of inertia of the weight of all of its components is approximately J-21, 72 gm 2 with respect to the main axis of rotation 0 '.
  • the rotating fibers 11 consist of tear-resistant synthetic fiber.
  • the rotating fibers 11 consist of tear-resistant synthetic fiber.
  • the exemplary embodiment made of a highly tear-resistant plastic with a diameter ⁇ 1 mm.
  • the weighting body and stabilizer body 10 which secures the frictional connection of the elastic solid bodies in the press seats, thereby maintaining the high guidance accuracy and at the same time maintaining the perpendicular main axis of symmetry and thereby maintaining the spatial distance between the secondary axes of rotation 0 " , 0 ' " (FIG. 2, FIG. 3) made as a pierced lead ball weighing 2.36 kg. This combines over 94% of the weight of the guide body of the vertical scale.
  • the lower MBS weighing container 9 and the upper MBT weighing container 8 are made of aluminum sheet.
  • the signal generator 14 is built into the hollow profile of the upper basic profile of the guide body. It is made from a laser diode. This emits at a wavelength of around 660 nm.
  • a glass plate 5 is arranged with structures 4 on the support bearing 2 as a guide for the deflection system for the signal beam. It is firmly on the bearing frame 3 of the elastic force bearing.
  • the substructure of the bearing frame is fastened to a brick wall 1, which is fixed on the concrete floor in the ground.
  • the signal steering 6 is arranged on the glass plate. It is made from a 45 ° prism with a large base area. Whose totally reflecting surface serves as a mirror and deflection surface for the laser beam 7 to the signal receiver.
  • the laser beam falls approximately 8500 mm from the main axis of rotation of the elastic axis of rotation system of the vertical torsion balance on the light-sensitive base of the photo transistor.
  • Figure 1 Main symmetry levels of the torsional vibration when performing the method according to the invention by means of elastic force bearings and friction-free rotation zones T ⁇ - simultaneous duration of a continuous-continuous guide vibration of the
  • PST - rigid weighing beam (rigid profile rod) 0r ' s - distance main axis of rotation - lower secondary axis of rotation r - distance main axis of rotation - upper secondary axis of rotation - distance center bearing holes for elastic fiber rotating body
  • 1,2 - fiber bearings arranged opposite each other in the outer frame
  • FIG. 4 Frontal view of the separate torque levels of the main and secondary axes of rotation of the weighing beam of the torsional vibratory balance and vertical arrangement of the separate weighing containers for the separate weighing of heavy and inert mass below and above the average rotation level
  • Figure 5- Guide body of a vertical torsion balance with stabilizer weight to maintain the vertical main symmetry position, laser signal transmitter, and lower measuring container and upper measuring container for weighing heavy mass and inert mass of chemical substance quantity and physical body
  • BK - stabilizer body (lead body)
  • Figure 6 General view of a vertical torsion balance with a horizontally aligned
  • Figure 7 Overall view of the arrangement for separating inert mass and heavy mass of chemical substances and physical body 1 - vertical torsion balance
  • twist thread 2 - twist thread
  • MBH measuring container on the lever bearing side of the main axis of rotation for the absorption of the amount of substance during the first measuring cycle of the measuring process
  • MBK measuring container on the side of the weighting body for the absorption of the amount of substance in the second measuring step of the measuring process
  • MBK - measuring container for taking up the amount of substance in the first measuring step of the measuring process
  • MBG - measuring container for taking up the amount of substance in the second measuring step of the measuring procedure ÜB - substructure

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne un système technique pour séparer la masse lourde et la masse inerte de substances chimiques et de corps physiques au moyen de composantes horizontales d'intensités de champ indépendantes du champ gravitationnel terrestre et du champ rotationnel terrestre, ainsi qu'un procédé technique de mesure de la masse lourde au repos et de la masse inerte au repos d'une substance ou d'un corps. Ce système technique comprend une balance de torsion verticale (1) servant à obtenir la position verticale du fléau et à faire agir des composantes horizontales d'intensité de champ sur la quantité de substance à peser. Ledit système comprend en outre un système de signalisation (2) pour dériver des signaux de mesure ; un système récepteur et transducteur (3), un système d'amplification et de mémorisation des valeurs mesurées et un dispositif d'affichage (5) pour les variables mesurées. L'effet marqué des composantes verticales du champ gravitationnel terrestre, utilisées dans la balance de pesée, est arrêté par la position verticale de la balance verticale et par un mouvement de guidage horizontal autour d'un pivot horizontal monté sans friction. Un palier de force élastique permet de maintenir la stabilité du mouvement de guidage du récipient de la balance recevant les quantités de substances. Ce palier s'obtient de manière particulière avec des corps de palier élastiques rotatifs, sans jeu de palier. Ce qui permet d'assurer un guidage linéaire de la portion de substance, au repos, en des points d'inertie périodique avec une tolérance de l'ordre du nanomètre. L'écart caractéristique est compris entre 150 nanomètres et des picomètres. Les courses de levage quasi-atomiques les plus infimes peuvent ainsi être atteintes à chaque période de guidage. La tolérance de la mesure temporelle de l'écart temporel des points de repos obtenue à l'aide de la durée d'oscillation propre ajustée de manière synchrone de la balance verticale relève, lorsqu'elle est déterminée sur deux cycles de mesure compris entre 5 et 10 minutes pour la pesée séparée de la masse lourde et de la masse inerte, du domaine de la nanoseconde. Les résultats des mesures correspondent à l'importance de la masse lourde et à celle de la masse inerte de la quantité de substance, exprimées en une unité équivalente à l'importance de leur masse pondérale.
EP00938571A 1999-06-03 2000-05-16 Systeme pour separer et procede pour peser la masse inerte et la masse lourde de substances chimiques et de corps physiques Withdrawn EP1141666A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19927028 1999-06-03
DE1999127026 DE19927026A1 (de) 1999-06-03 1999-06-03 Verfahren zur Trennung und Anordnung zur Wägung von träger Masse und schwerer Masse physikalischer Körper und chemischer Stoffe
PCT/DE2000/001577 WO2000075612A2 (fr) 1999-06-03 2000-05-16 Systeme pour separer et procede pour peser la masse inerte et la masse lourde de substances chimiques et de corps physiques

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EP1141666A2 true EP1141666A2 (fr) 2001-10-10

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EP (1) EP1141666A2 (fr)
AU (1) AU5389900A (fr)
DE (1) DE19927026A1 (fr)
WO (1) WO2000075612A2 (fr)

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CN113199155B (zh) * 2020-01-16 2022-04-22 清华大学 精密扭秤及其制备方法
CN120335044A (zh) * 2025-04-07 2025-07-18 中国科学院国家空间科学中心 一种基于扭秤系统的惯性传感器残余气体噪声测试方法

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WO1998015852A1 (fr) * 1996-10-10 1998-04-16 Manfred Alexander Gregor Machine motrice et de trayvail automatique entrainee par la force gravitationnelle et la force de rotation, et appareil de mesure de la gravitation

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WO2000075612A9 (fr) 2002-09-12
WO2000075612A3 (fr) 2001-05-03

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