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GOVERNOR PRESSURE [21 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2019-12-17

English

Subject field(s)
  • Servomechanisms
CONT

A booster servomotor, mounted externally, uses start air to supply immediate oil pressure to the governor as an aid for quick starts.

French

Domaine(s)
  • Servomécanismes
PHR

servomoteur d'appoint à haut rendement

Spanish

Save record 1

Record 2 2010-12-07

English

Subject field(s)
  • Nuclear Fission Reactors
CONT

CANDU plants can be operated in two basic modes : reactor-following-turbine(RFT) and turbine-following-reactor(TFR). Steam generator pressure control plays a pivotal role in these schemes. In TFR mode the reactor power is held constant at a level set by the operator and the turbine governor control valves are used to regulate steam pressure. This mode is suitable for unit operation within a large system network where it is used to supply the base loads while other units are used to supply peak loads. Since reactor conditions remain constant, this mode also constitutes a safer state of operation from the nuclear plant perspective. The control system reverts to this mode of operation during plant upsets. In RFT mode, the turbine load is set by the operator and the reactor is used to regulate steam pressure. In both TFR and RFT modes, the turbine is also used to regulate speed and assist the system in meeting short-term changes in electrical load demand. In RFT mode, the governor control valves also attempt to maintain a constant generator output.

Key term(s)
  • turbine following-reactor

French

Domaine(s)
  • Réacteurs nucléaires de fission
CONT

Turbine suivant le réacteur. Dans ce mode de commande, les charges de la centrale doivent suivre le rendement du réacteur. Pour cela, le programme de commande de la pression des générateurs de vapeur règle les charges de la centrale pour maintenir la pression des générateurs de vapeur à un niveau constant. Ce mode est utilisé à de faibles niveaux de puissance du réacteur lors du démarrage, de l’arrêt ou lorsque la pression des générateurs de vapeur est insensible à la puissance du réacteur. On l’utilise également dans des conditions extrêmes lorsqu’il n’est pas souhaitable de modifier la puissance du réacteur.

Spanish

Save record 2

Record 3 2008-03-18

English

Subject field(s)
  • Aircraft Propulsion Systems
CONT

Thus with increase in altitude the reduced fuel pressure force acting on the half-ball valve is compensated by reduction in the thrust exerted by the bellows on the lever, thus compensating the governor creep.... Since the creep of the governor is compensated by the creep control device, the full speed position of the lever controls the maximum safe speeds for the engine under normal operating conditions.

OBS

Fuel control system.

French

Domaine(s)
  • Propulsion des aéronefs

Spanish

Save record 3

Record 4 - external organization data 2006-01-25

English

Subject field(s)
  • Turbines
  • Nuclear Fission Reactors
  • Compartment - Canadian Nuclear Safety Commission
CONT

The Steam System.... Safety valves protect the steam system components from over pressure. The pressure from the boilers drives the steam to the high-pressure(HP) turbine. On route to the turbine, the steam travels through several valves. Two, of interest, are the emergency stop valve and the governor valve. The governor valve varies the electrical output from no load to full load by controlling the quantity of steam flowing to the turbine.

Key term(s)
  • high pressure turbine

French

Domaine(s)
  • Turbines
  • Réacteurs nucléaires de fission
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Le circuit de vapeur. [...] La soupape de sécurité protège de la surpression les organes du circuit de vapeur. La pression dans le générateur propulse la vapeur dans la turbine haute pression (HP). La vapeur doit traverser plusieurs vannes avant d'aboutir à la turbine, notamment la vanne d'arrêt d'urgence et la vanne de régulation. En ajustant la quantité de vapeur s'écoulant vers la turbine avec la vanne de régulation, on peut varier la production d'électricité de zéro à la pleine puissance.

Spanish

Save record 4

Record 5 2002-07-11

English

Subject field(s)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

The various drive ranges limit the highest gear attainable by introducing a pressure which prevents governor pressure from upshifting the signal valves(unless governor pressure is well above that normally attained).

French

Domaine(s)
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 5

Record 6 2001-12-13

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
  • Mechanical Transmission Systems
CONT

By setting the adjusting ring... to the shift point specifications and with the assistance of governor pressure, lockup engagement is initiated.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)
  • Transmissions mécaniques

Spanish

Save record 6

Record 7 2000-05-25

English

Subject field(s)
  • Gas and Oil Heating
  • Burners and Steamfitting
DEF

A power burner in which gas is supplied at atmospheric pressure(zero gas) maintained by a zero governor. A fan, or blower, blows the air through a venturi, where venturi action pulls the gas into the airstream. The quantity of gas drawn into the airstream is a direct function of the air velocity, so the air-fuel ratio will remain constant regardless of the air volume. The firing rate is controlled by air adjustment alone.

French

Domaine(s)
  • Chauffage au gaz et au mazout
  • Fumisterie et brûleurs
OBS

Voir la fiche «régulateur atmosphérique / zero governor».

Spanish

Save record 7

Record 8 2000-05-25

English

Subject field(s)
  • Gas and Oil Heating
DEF

Gas at atmospheric pressure(zero gauge pressure), usually supplied by a zero governor.

French

Domaine(s)
  • Chauffage au gaz et au mazout

Spanish

Save record 8

Record 9 1999-07-19

English

Subject field(s)
  • Motors (Machinery)
  • Control Systems (Electronic Instrumentation)
  • Transmission Systems (Motor Vehicles and Bicycles)
  • Braking Devices (Mechanical Components)
CONT

The position of the governor valve determines the amount of pressure in the governor circuit.

French

Domaine(s)
  • Moteurs mécaniques
  • Systèmes cybernétiques de contrôle et de commande
  • Transmission (Véhicules automobiles et bicyclettes)
  • Freins (Composants mécaniques)
DEF

Dispositif de contrôle permettant de régulariser la pression d'un circuit pneumatique.

Key term(s)
  • valve du régulateur

Spanish

Save record 9

Record 10 1996-12-03

English

Subject field(s)
  • Trucking (Road Transport)
  • Mechanical Components
DEF

Valve which opens automatically when the internal pressure in the air braking circuits exceeds a certain limit, following the failure of the air compressor governor.

French

Domaine(s)
  • Camionnage
  • Composants mécaniques
DEF

Obturateur qui s'ouvre automatiquement quand la pression intérieure dépasse une certaine limite dans les circuits pneumatiques de freinage, à la suite d'un mauvais fonctionnement du régulateur de pression.

Spanish

Campo(s) temático(s)
  • Transporte por camión
  • Componentes mecánicos
DEF

Obturador que se abre automáticamente cuando la presión interior de los circuitos de freno de aire sobrepasa un límite como resultado de una falla del regulador de presión.

Save record 10

Record 11 1996-12-02

English

Subject field(s)
  • Trucking (Road Transport)
  • Braking Systems (Motor Vehicles and Bicycles)
DEF

Pressure which causes the pneumatic coupling of the air compressor governor and terminates the air compressor unloading stage.

OBS

The air compressor loading stage allows the air compressor to feed the air reservoirs.

French

Domaine(s)
  • Camionnage
  • Freins (Véhicules automobiles et bicyclettes)
DEF

Pression qui provoque l'embrayage pneumatique du régulateur de pression et la fin de la phase de déclenchement.

OBS

La phase d'enclenchement du régulateur de pression permet au compresseur d'air de débiter dans les réservoirs d'air.

Spanish

Campo(s) temático(s)
  • Transporte por camión
  • Frenos (Vehículos automotores y bicicletas)
DEF

Límite de presión del depósito de aire que hace que el regulador abra el mecanismo de descarga y ponga fin a la compresión.

OBS

En realidad, el regulador permite que el compresor descargue aire comprimido a los depósitos.

Save record 11

Record 12 1996-12-02

English

Subject field(s)
  • Trucking (Road Transport)
  • Braking Systems (Motor Vehicles and Bicycles)
DEF

Pressure which causes the pneumatic uncoupling of the air compressor governor and initiates the air compressor unloading stage.

OBS

The pressure regulator unloading stage prevents the air compressor from feeding the air reservoirs.

French

Domaine(s)
  • Camionnage
  • Freins (Véhicules automobiles et bicyclettes)
DEF

Pression qui provoque le débrayage pneumatique du régulateur de pression et le début de la phase de déclenchement.

OBS

La phase de déclenchement du régulateur de pression empêche le compresseur d'air de débiter dans les réservoirs d'air.

Spanish

Campo(s) temático(s)
  • Transporte por camión
  • Frenos (Vehículos automotores y bicicletas)
DEF

Límite de presión de aire que hace que el regulador libere la presión de aire debajo del diafragma permitiendo que se cierren las válvulas de descarga del depósito y que se reinicie la compresión.

OBS

En realidad, el regulador de presión impide que el compresor descargue aire comprimido a los depósitos.

Save record 12

Record 13 1993-06-29

English

Subject field(s)
  • Compressors
  • Rolling Stock (Railroads)
  • Braking Devices (Mechanical Components)
DEF

This pressure, 140 psi, is the air compressor governor cut-out pressure.

French

Domaine(s)
  • Compresseurs
  • Matériel roulant (Chemins de fer)
  • Freins (Composants mécaniques)
DEF

Pression à laquelle le régulateur du compresseur déclenche la marche à vide (140 livres/pouce2.

Spanish

Save record 13

Record 14 1993-06-29

English

Subject field(s)
  • Compressors
  • Rolling Stock (Railroads)
  • Braking Devices (Mechanical Components)
DEF

This pressure, 130 psi, is the air compressor governor cut-in pressure.

French

Domaine(s)
  • Compresseurs
  • Matériel roulant (Chemins de fer)
  • Freins (Composants mécaniques)
DEF

Pression à laquelle le régulateur du compresseur déclenche la marche en compression (130 livres/pouce2).

Spanish

Save record 14

Record 15 1993-03-14

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

In second gear start units, the presence of governor pressure at the bottom of the 1-2 shift valve and forward regulator pressure on the 1-2 modulator valve, plus the assistance of spring force under the 1-2 shift valve, causes the shift valve to move upward against its stop.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 15

Record 16 1993-03-14

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

[The] pressure is blocked from reaching the top of the 1-2 shift valve until road speed(and governor pressure) is decreased to a value that will allow the inhibitor valve to move upward.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 16

Record 17 1993-03-14

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

... governor pressure is directed to the 2-3, 3-4 and 4-5 shift signal valves, 2-I inhibitor valve, and the modulated lockup valve.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 17

Record 18 1993-03-14

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

Thus a 2-I shift cannot occur until governor pressure(and road speed) is reduced.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 18

Record 19 1993-02-27

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

Governor pressure, in combination with modulator pressure... provides the automatic shifting in the transmission.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 19

Record 20 1993-02-27

English

Subject field(s)
  • Trucking (Road Transport)
  • Transmission Systems (Motor Vehicles and Bicycles)
CONT

Governor pressure, in combination with modulator pressure... provides the automatic shifting in the transmission.

French

Domaine(s)
  • Camionnage
  • Transmission (Véhicules automobiles et bicyclettes)

Spanish

Save record 20

Record 21 1988-01-15

English

Subject field(s)
  • Braking Devices (Mechanical Components)
OBS

On command from low pressure governor drains supply(emergency) line.(off-highway vehicles)

French

Domaine(s)
  • Freins (Composants mécaniques)
OBS

frein à air comprimé

Spanish

Save record 21

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