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FREE LIFT [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2014-01-29

English

Subject field(s)
  • Atomic Physics
DEF

A molecular device capable of converting energy into movement and able to generate forces on the order of piconewtons.

CONT

The nanomotor has a positioning stroke up to some centimeters while operating with atomic resolution and thus builds a bridge over eight orders of magnitude. The nanomotor is a piezo driven linear motor consisting of a cylindrical housing and a slider with a free axial hole inside. It utilizes a piezo tube for fine positioning and a pulse wave produced by the same piezo tube for coarse movements. Every point of its stroke can be reached with a speed of up to 5 mm/s. In its free axial hole the nanomotor can transport a tip, a hose, an electrode, a hypodermic needle, a glass fiber or even a microgripper. The nanomotor is available in three different versions. The "small" nanomotor is half the size of a match stick. It can lift six times of its own mass. The dynamic force of this nanomotor is so high, that even imprints in diamond surfaces can be produced. Special versions of the nanomotor can operate in ultra high vacuum, in liquid helium, even under water or as non-magnetic drives.

PHR

Primer, virus nanomotor.

PHR

Nanotube nanomotor.

Key term(s)
  • nano-motor

French

Domaine(s)
  • Physique atomique
DEF

Assemblage de molécules comportant des éléments de dimensions nanométriques qui, lorsqu'ils sont alimentés par une source d'énergie, répètent incessamment le même mouvement.

PHR

Nanomoteur biologique, protéique.

Key term(s)
  • nano-moteur

Spanish

Campo(s) temático(s)
  • Física atómica
CONT

El nanomotor es capaz de desplazar cargas y de girar como un motor convencional, pero un millón de veces más pequeño que el agujero de una aguja. La investigación abre las puertas a la creación de nuevos dispositivos nanométricos capaces de llevar a cabo tareas mecánicas con futuras aplicaciones en ámbitos como la biomedicina o los nuevos materiales.

Save record 1

Record 2 2013-11-28

English

Subject field(s)
  • Fire-Fighting and Rescue Equipment
CONT

Rescuers must sometimes lift or pull an object to free a victim. Several rescue tools have been developed to assist in this task. These include tripods, winches, come-alongs, chains, pneumatic lifting bags, and block and tackle systems.

French

Domaine(s)
  • Matériel de secours et de lutte (incendies)
CONT

Les sauveteurs doivent parfois lever ou tirer sur un objet pour libérer une victime. Ils ont à leur disposition plusieurs outils pour le faire : trépieds, treuils, palans à levier, chaînes, coussins pneumatiques de levage et palans à moufles.

Spanish

Save record 2

Record 3 2008-05-30

English

Subject field(s)
  • Trucks and Dollies (Materials Handling)
DEF

... the height to which the forks can lift without elevating the mast.

CONT

[Fork Truck Construction.] An important operational aspect of mast assemblies is freelift. Freelift is defined as the vertical distance forks can raise above the floor before the mast begins to extend from its collapsed height.

CONT

[Lift trucks. ] "Free lift" is the amount of movement the carriage can make before the cylinder yoke starts lifting the mast. A standard upright usually has just enough free lift to raise the load off the floor so the truck can go through a doorway without the top of the mast striking the door.

OBS

The amount of freelift available is dependent on the mast and truck design. Freelift may range from only a few inches on some models to over 60 in. (1500 mm) on the man-up turret truck. Most manufacturers offer trucks with either standard or "high" freelift available.

OBS

free lift : term standardized by ISO.

OBS

See also "low freelift," and "high freelift."

French

Domaine(s)
  • Chariots de manutention
CONT

On appelle levée libre l'élévation maximale de la fourche, qui peut être obtenue sans augmentation de la hauteur hors tout du chariot. [...] L'avantage de la levée libre est d'avoir la même hauteur hors tout de l'appareil à vide et avec une charge, ce qui est important pour le passage sous les obstacles bas (portes, points bas de tuyauterie ou de plafond).

CONT

La plupart des chariots à levée télescopique ou triple disposent d'une course de levée libre correspondant à une élévation de la fourche sans augmentation de la hauteur totale du chariot, c'est-à-dire sans déploiement des montants mobiles.

OBS

levée libre : terme normalisé par l'ISO.

Spanish

Save record 3

Record 4 2005-03-18

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Weather Stations and Meteorological Instruments and Equipment
DEF

The buoyancy of the volume ... of gas in a balloon ...

OBS

Total lift... is equal to the free lift plus the weight of the balloon and the attached equipment.

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Stations, instruments et équipements météorologiques
DEF

[...] force ascensionnelle totale d'un ballon de volume [...] donnée par la poussée totale du gaz qu'il contient [...]

Spanish

Campo(s) temático(s)
  • Aerodinámica y teoría de los gases
  • Estaciones, instrumentos y equipos meteorológicos
DEF

Fuerza ascensional del volumen [...] de gas contenido en un globo [...]

Save record 4

Record 5 1992-04-30

English

Subject field(s)
  • Trucks and Dollies (Materials Handling)
  • Hoisting and Lifting
OBS

"free lift" :... the height to which the forks can lift without elevating the mast.

French

Domaine(s)
  • Chariots de manutention
  • Levage

Spanish

Save record 5

Record 6 1992-04-15

English

Subject field(s)
  • Trucks and Dollies (Materials Handling)
  • Hoisting and Lifting
CONT

The amount of freelift available is dependent on the mast and truck design. Freelift may range from only a few inches on some models to over 60 in. (1500 mm) on the man-up turret truck. Most manufacturers offer trucks with either standard or "high" freelift available.

CONT

High visibility masts-standard, full-free [lift] and full-free triple.

OBS

"free lift" :... the height to which the forks can lift without elevating the mast.

French

Domaine(s)
  • Chariots de manutention
  • Levage
CONT

On dit qu'un montant élévateur est à levée libre totale lorsque le tablier porte fourche peut s'élever jusqu'au sommet du montant fixe avant que ne démarre le mouvement du montant mobile, donc que n'augmente la hauteur hors tout de l'appareil. L'obtention d'une levée libre totale exige l'utilisation de deux vérins au moins, l'un pour l'élévation du tablier porte fourche et l'autre pour l'élévation du montant mobile. Ces deux vérins peuvent être séparés ou emboîtés l'un dans l'autre.

CONT

Mât télescopique double à grande levée libre. (...) Mât télescopique triplex là levée libre réduite.

CONT

Il existe plusieurs types de mâts élévateurs : à levée simple non télescopique; à levée double télescopique; à levée triple télescopique; à levée quadruple télescopique. [Les mâts télescopiques peuvent être] à levée libre réduite ou à levée libre totale.

Spanish

Save record 6

Record 7 1992-04-15

English

Subject field(s)
  • Trucks and Dollies (Materials Handling)
  • Hoisting and Lifting
CONT

The mast assembly of the fork truck consists of a steel upright assembly and hydraulic cylinders to provide the lifting capability of the fork truck. The mast consists of stationary outer channels and telescoping inner channels which provide for high lifting capabilities while permitting a low collapsed height. ... Multiple-stage masts increase mast complexity and require more energy than a low freelift design. The most economical mast for general purpose storage and in-plant transportation is a two-stage mast with low freelift.

CONT

The amount of freelift available is dependent on the mast and truck design. Freelift may range from only a few inches on some models to over 60 in. (1500 mm) on the man-up turret truck. Most manufacturers offer trucks with either standard or "high" freelift available.

CONT

High visibility masts-standard, full-free [lift] and full-free triple.

OBS

"free lift" :... the height to which the forks can lift without elevating the mast.

French

Domaine(s)
  • Chariots de manutention
  • Levage
CONT

Levée libre réduite. Elle correspond simplement à ce qui est nécessaire pour transporter une charge. Elle est obtenue par un jeu qui existe en position basse entre la tête de la tige du vérin de levage et le montant mobile.

CONT

Il existe plusieurs types de mâts élévateurs : à levée simple non télescopique; à levée double télescopique; à levée triple télescopique; à levée quadruple télescopique. [Les mâts télescopiques peuvent être] à levée libre réduite ou à levée libre totale.

Spanish

Save record 7

Record 8 1986-05-28

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Fluid Mechanics and Hydraulics (Physics)
  • Pumps
DEF

The vertical distance between the center of the suction end of a pump and the free surface of the liquid being pumped. Static lift does not include friction losses in the suction pipes. Static suction head includes lift and friction losses.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Mécanique des fluides et hydraulique (Physique)
  • Pompes
DEF

Distance verticale entre le centre de l'extrémité d'aspiration d'une pompe et la surface libre du liquide pompé, excluant les pertes dues au frottement dans les conduites d'aspiration.

Spanish

Save record 8

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