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GEARING SYSTEM [8 records]

Record 1 2026-02-02

English

Subject field(s)
  • Propulsion of Water-Craft
CONT

A podded propulsor is defined as a propulsion or maneuvering device, which is external to the ship's hull and houses a propeller powering capability. This distinguishes them from azimuthing thrusters, which have their propulsor powering machinery located within the ship's hull and commonly drive the propeller through a system of shafting and spiral bevel gearing.

French

Domaine(s)
  • Propulsion des bateaux
DEF

Système de propulsion qui est installé dans une nacelle orientable suspendue sous la coque d'un navire par un bras rigide pivotant.

OBS

propulseur omnidirectionnel; propulseur en nacelle : désignations et définition publiées au Journal officiel de la République française le 21 décembre 2013.

Spanish

Save record 1

Record 2 2020-11-18

English

Subject field(s)
  • Various Military Titles
  • Weapon Systems
OBS

The Kerrison Predictor was one of the first fully automated anti-aircraft fire-control systems. The Predictor solved the problem by doing all of the calculations mechanically through a complex system of gears. Inputs to its calculations included wind speed, ballistics of the gun and the rounds it fired, angle to the target in azimuth and altitude, and a user-input estimated target speed. Some of these inputs were fed in by dials, which turned gearing inside the Predictor to calculate the range(from the change in angle and estimated speed) and direction of motion.

French

Domaine(s)
  • Appellations militaires diverses
  • Systèmes d'armes
DEF

Ordinateur analogique créé à la fin des années 1930 [...] pour guider les tirs d'un canon antiaérien.

Spanish

Save record 2

Record 3 2015-04-01

English

Subject field(s)
  • Flight Instruments and Equipment (Aeroindustry)
  • Measuring Instruments
CONT

[The vertical speed indicator] contains a diaphragm with connecting linkage and gearing to the indicator pointer inside an airtight case. The inside of the diaphragm is connected directly to the static line of the pilot-static system. The area outside the diaphragm, which is inside the instrument case, is also connected to the static line, but through a restricted orifice(calibrated leak).

French

Domaine(s)
  • Instruments et équipement de bord (Constructions aéronautiques)
  • Appareils de mesure
CONT

Le principe du variomètre repose sur la mesure de variation de la pression atmosphérique lors d'une montée ou d'une descente. Pour ce faire, un variomètre est constitué par exemple d'une capsule manométrique reliée à un réservoir isolé thermiquement, l'ensemble étant mis en relation avec l'air libre (atmosphère ambiante) par l'intermédiaire d'un tube capillaire calibré.

Spanish

Save record 3

Record 4 2011-10-05

English

Subject field(s)
  • Transformation of Momentum (Mechanical Components)
OBS

the [actuating] shaft, through gearing, rotates two poppet assemblies to shut off the pressure in each hydraulic system, at the same time interconnecting both sides of each piston section of the actuating cylinder when the booster assembly is shifted to boost off operation to prevent hydraulic lock of each piston section.

French

Domaine(s)
  • Transformations de mouvements (Composants mécaniques)
OBS

par inférence. Les vérins ont des sections identiques de chaque côté du piston. Chaque chambre est mise en communication, soit avec la pression hydraulique d'alimentation, soit avec la bâche par l'intermédiaire d'un distributeur à tiroir. Le code de source complet est INCAR-SE-210,1971,2,27-30-0,27.

Spanish

Save record 4

Record 5 2008-03-18

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

Gearing a compressor directly to the engine is a wonderfully simple system. You don’t have to worry about compressing the air too much [term : over-boost] because the amount of pressure boost is directly proportional to engine speed, and therefore limited by the engine speed. Since the compressor is attached to the engine it is easy to deliver oil to the shaft that the compressor spins on. Another advantage of the gear driven supercharger is that some engine configurations,(mainly a radial engine) allow placement of the compressor in compact space.

French

Domaine(s)
  • Propulsion des aéronefs

Spanish

Save record 5

Record 6 2006-08-21

English

Subject field(s)
  • Electric Rotary Machines - Types
  • Wind Energy
DEF

A mechanical system that relies on an electric motor and a gearing system that rotates [a wind turbine] nacelle to keep the turbine facing the wind.

French

Domaine(s)
  • Machines tournantes électriques - types
  • Énergie éolienne
DEF

[...] dispositif [mécanique] qui utilise des moteurs électriques et des multiplicateurs pour assurer que le rotor soit toujours orienté face au vent.

Spanish

Save record 6

Record 7 2003-06-23

English

Subject field(s)
  • Astrochemistry and Cosmochemistry
  • Astrophysics and Cosmography
  • Spacecraft
CONT

The project is named the Autonomous Space Processor for Orbital Debris(ASPOD) and is a NASA/Universities Space Research Association(USRA) sponsored design project. The development of ASPOD and the students’ abilities in designing and building a prototype spacecraft are the ultimate goals of this project. This year's focus entailed the development of a secondary robotic arm and end-effector to work in tandem with an existent arm in the removal of orbital debris. The new arm features the introduction of composite materials and a linear drive system, thus producing a light-weight and more accurate prototype. The main characteristic of the end-effector design is that it incorporates all of the motors and gearing internally, thus not subjecting them to the harsh space environment. Furthermore, the arm and the end-effector are automated by a control system with positional feedback. This system is composed of magnetic and optical encoders connected to a 486 PC via two servo-motor controller cards. Programming a series of basic routines and sub-routines has allowed the ASPOD prototype to become more autonomous. The new system is expected to perform specified tasks with a positional accuracy of 0. 5 cm.

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astrophysique et cosmographie
  • Engins spatiaux

Spanish

Save record 7

Record 8 2002-11-20

English

Subject field(s)
  • Braking Systems (Motor Vehicles and Bicycles)
  • Safety Equipment (Motor Vehicles and Bicycles)
DEF

Land Rover's system to do away with low range gearing for steep off road descents. Using ABS, it applies brake pressure to all four wheels to restrict speed downhill.

French

Domaine(s)
  • Freins (Véhicules automobiles et bicyclettes)
  • Sécurité (Véhicules automobiles et bicyclettes)
CONT

Le «Hill Descent Control», contrôle d'adhérence en descente, permet de limiter électroniquement la vitesse du véhicule en actionnant automatiquement le système de freinage.

Key term(s)
  • système HDC
  • système Hill Descent Control
  • système de contrôle d'adhérence en descente

Spanish

Save record 8

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