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AIR VENT VALVE [9 records]

Record 1 2023-07-31

English

Subject field(s)
  • Rolling and Suspension Components (Railroad)
CONT

The automated single car test(ASCT) is routinely used by railway maintenance personnel for inspecting, testing, and diagnosing car air brake system issues. In addition to testing for pronounced leakage(system, brake pipe, retainer leakage, reservoir), the ASCT will test such things as minimum application, service valve stability, service release, emergency vent valve operation, emergency accelerated release, and the operation of the empty/load device.

French

Domaine(s)
  • Roulement et suspension (Chemins de fer)
CONT

L'essai automatisé sur wagon individuel (ASCT) est couramment utilisé par le personnel d'entretien des voies ferrées aux fins d'inspection, d'essais et de diagnostic des problèmes liés au système de freinage pneumatique des wagons.

Spanish

Save record 1

Record 2 2021-10-20

English

Subject field(s)
  • Closing Devices and Nozzles (Mechanical Components)
  • Materials Storage Equipment
CONT

Changes in altitude, temperature, humidity and geographic location create a "vacuum lock" which can effectively seal a case shut. [The] integrated auto-pressure valve equalizes this atmospheric pressure difference. Using state-of-the art technology, the micro vent allows air to pass through while preventing water from entering.

French

Domaine(s)
  • Obturateurs et buses (Composants mécaniques)
  • Matériel de stockage
CONT

Valve d'équilibrage de la pression : le design vise à éviter les différences de pression d'air causées par les changements de température et d'altitude à l'intérieur et à l'extérieur de la boîte, pour empêcher la coque de sceller ou d'éclater lors de l'ouverture.

Spanish

Save record 2

Record 3 2017-06-15

English

Subject field(s)
  • Types of Aircraft
CONT

Pulling on the vent control opens a hole either in the top or the side of the balloon to allow hot air to spill out and to descend.

OBS

Used to open and reclose the side vent or vent valve in flight to allow a controlled release of hot air. White and operated from the basket.

French

Domaine(s)
  • Types d'aéronefs

Spanish

Save record 3

Record 4 2016-07-29

English

Subject field(s)
  • Closing Devices and Nozzles (Mechanical Components)
  • Taps and Plumbing Accessories
  • Cooking Appliances
CONT

After closing and sealing the door, setting the timer, and pulling out the operating handle, the steam inlet valve from the boiler opens, allowing steam at a pressure of 6 psi to enter the compartment. Air from the sealed compartment exits through the vent until the temperature reaches 180°F; then the vent closes and the compartment can become pressurized.

French

Domaine(s)
  • Obturateurs et buses (Composants mécaniques)
  • Robinetterie et accessoires
  • Appareils de cuisson des aliments
CONT

Une fois le temps de cuisson écoulé, interrompre l'admission de vapeur progressivement en ramenant lentement la manette en position première; ceci a pour effet de fermer le robinet d'admission de vapeur et d'ouvrir le robinet de purge ou de vidange.

Spanish

Save record 4

Record 5 2010-02-26

English

Subject field(s)
  • Aeronautical Engineering and Maintenance
OBS

a fuel vent check valve assembly(...) is installed in the ram air line at the junction to the fuel vent line.

French

Domaine(s)
  • Aérotechnique et maintenance

Spanish

Save record 5

Record 6 1994-09-20

English

Subject field(s)
  • Packaging Techniques
  • Food Industries
DEF

A filling technique in which a container is filled to a predetermined level. The volume of fluid in the container is determined by the internal volume of the container.

OBS

The internal volume of a round sanitary can or a plastic bottle is more accurate than a glass container.... Product from a supply tank flows through a spring-loaded filling valve opened by the container being present. Flow is by gravity into the sealed container, with air in the container escaping through a vent tube above the product level in the supply tank. Flow stops and a fill level is established when the rising liquid reaches the air vent port.

French

Domaine(s)
  • Techniques d'emballage
  • Industrie de l'alimentation
DEF

Technique de remplissage des récipients utilisant une cuve soumise à la pression atmosphérique.

CONT

Gravité simple : L'intérieur de la cuve est à la pression atmosphérique. Le bec comporte un tube de retour d'air et un clapet tubulaire qui obture l'orifice d'écoulement au repos. La bouteille, après avoir assuré son étanchéité avec le bec, soulève la clapet et l'emplissage s'effectue. Il s'arrête quand le liquide a atteint l'orifice d'écoulement et le niveau est établi par rapport au sommet de la bouteille. Une technique bien élaborée permet d'éviter les égouttures.

Spanish

Save record 6

Record 7 1994-06-27

English

Subject field(s)
  • Packaging Techniques
  • Food Industries
DEF

A liquid filling technique which uses gravity in a vacuum atmosphere.

CONT

Pressure gravity. This method fills to a level. It is almost universally restricted to filling carbonated beverages. The flow principle is gravity as the force causing flow into the container. Like the gravity vacuum method, which fills by gravity in a vacuum atmosphere, this method fills by gravity in a pressure atmosphere. Product under pressure is held in an integral overhead supply tank on the rotary. Filling valves are mounted in the tank and are opened against spring pressure by the container being lifted to the valve. When the container is sealed to the valve, a mechanical latch opens a charging valve at the top of the valve vent tube which is above the product level in the supply tank.... Fill level is determined when the rising liquid covers a part in the vent tube through which the air in the container is exhausted as product flows in.

French

Domaine(s)
  • Techniques d'emballage
  • Industrie de l'alimentation
DEF

Technique de remplissage des récipients utilisant une cuve soumise à une basse pression atmosphérique.

Spanish

Save record 7

Record 8 1992-01-27

English

Subject field(s)
  • Storage of Oil and Natural Gas
  • Oil and Gas Distribution Facilities
CONT

Air release chambers are installed ahead of any metering equipment to ensure accurate measurement of fuel flow. They may be installed in either the pumphouse or on the dispensing platform. They operate on the reduced flow velocity principle which separates and eliminates air from the fuel. As the fuel enters the air release chamber(the diameter of which is much greater than the diameter of the inlet to the air release body), the velocity of the flow is greatly reduced allowing an interval of time for the air to separate from the fuel. The air, being lighter than the liquid, rises to the top of the chamber, where it remains until a sufficient quantity has accumulated to lower the liquid level, causing the float to drop, which in turn opens the vent valve and allows the accumulated air to escape. In most cases the line from the air vent is returned to the storage or scavenger tank to prevent spraying fuel into the surrounding area in case of a malfunction of the air release chamber.

French

Domaine(s)
  • Stockage du pétrole et du gaz naturel
  • Install. de distrib. (Pétrole et gaz naturel)
CONT

Des chambres de désaération sont placées immédiatement en amont de tout dispositif de mesure, ceci afin d'assurer la précision des mesures de débit. Ces appareils peuvent être installés dans la station de pompage ou sur la plate-forme de distribution. Ils agissent par réduction de la vitesse d'écoulement, ce qui permet à l'air de se dissocier du produit pétrolier. Lorsque le produit entre dans la chambre (dont le diamètre du corps est de beaucoup supérieur à celui de l'orifice d'admission), sa vitesse d'écoulement diminue sensiblement. L'air, plus léger que le liquide, remonte à la surface, et y demeure jusqu'à ce qu'une quantité suffisante se soit accumulée; le flotteur, qui s'est abaissé en raison de la baisse proportionnelle du niveau du liquide, commande alors l'ouverture du purgeur qui permet à l'air de s'échapper. Dans la plupart des cas, une canalisation relie le purgeur au réservoir de stockage ou de reprise d'évacuation afin d'éviter toute dispersion de produit à l'extérieur en cas de mauvais fonctionnement de la chambre ou du purgeur.

Spanish

Save record 8

Record 9 1980-07-05

English

Subject field(s)
  • Flight Controls (Aeroindustry)
OBS

perform following steps to remove ac motor-driven hydraulic reciprocating pump assembly(ac hydraulic pump) :(...) Open hydraulic access door F321 and depress vent valve(reservoir air bleed valve) above reservoir No. 2.

French

Domaine(s)
  • Commandes de vol (Constructions aéronautiques)

Spanish

Save record 9

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