Glossary entry (derived from question below)
English term or phrase:
Pump Margin Pressure
French translation:
pression limite de la pompe
Added to glossary by
Emmanuella
Jan 6, 2015 15:52
9 yrs ago
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English term
Pump Margin Pressure
English to French
Other
Mechanics / Mech Engineering
Crane user manual - adjustments
Testing Pump Margin Pressure Settings
Pump margin pressure is the pressure that the hydraulic system will produce when the engine is at idle and no hydraulic function is actuated.
The pump margin pressure should only be checked with the engine at idle and NO hydraulic functions actuated.
Testing Pump Margin Pressure Settings
Pump margin pressure is the pressure that the hydraulic system will produce when the engine is at idle and no hydraulic function is actuated.
The pump margin pressure should only be checked with the engine at idle and NO hydraulic functions actuated.
Proposed translations
(French)
4 | pression limite de la pompe | Emmanuella |
Change log
Jan 21, 2015 14:01: Emmanuella changed "Edited KOG entry" from "<a href="/profile/1264769">NikkoTh's</a> old entry - "Pump Margin Pressure"" to ""pression limite de la pompe""
Proposed translations
18 mins
Selected
pression limite de la pompe
www.google.com.na/patents/EP1354141A2?cl=enTraduci questa pagina
Operation of the flow regulator causes the pressure differential across a metering orifice of the associated valve to be less than the pump's margin pressure thus...
fr.wikipedia.org/wiki/Pompe_à_palettesTraduci
Une pompe à palettes est une pompe rotative dont le rotor est muni de plusieurs .... Elle permet d'obtenir une pression limite environ dix fois plus petite que celle ...
Operation of the flow regulator causes the pressure differential across a metering orifice of the associated valve to be less than the pump's margin pressure thus...
fr.wikipedia.org/wiki/Pompe_à_palettesTraduci
Une pompe à palettes est une pompe rotative dont le rotor est muni de plusieurs .... Elle permet d'obtenir une pression limite environ dix fois plus petite que celle ...
4 KudoZ points awarded for this answer.
Discussion
Quand aucune demande n'est crée par une commande le débit reste nul et le moteur tourne au ralenti car il est contrôlé par la demande.
Quand un clapet s'ouvre sur une application, le débit fonce avec ses 345 bar vers elle et le moteur accélère, donc le débit aussi et en rencontrant la résistance de l'application la pression de 345 bar au point d'application s' étant installée c'est le débit en augmentant qui génère le mouvement..
Je dirais que la pression de 345 bar du tarage est la "margin pressure" , cad que c'est une pression à vide ou celle sans demande.
Pump margin pressure is the pressure that the hydraulic system will produce when the engine is at idle and no hydraulic function is actuated.
The pump margin pressure should only be checked with the engine at idle and NO hydraulic functions actuated.
STEERING AND TRAVERSE CIRCUITS
The steering and traverse circuits are protected by a pressure compensator attached to the hydraulic pump.
The compensator and margin pressure both have to be tested when a pressure is being checked.
Testing Pump Compensator Pressure Setting
The pump compensator pressure setting is the setting of the steering/traverse circuit pressures.
1.
With the engine shut off, install a 5000 PSI
(345 Bar) pressure gauge on the pump pressure test quick-disconnect, for the pump being tested, located at the pump (
Figure 5-3
).
Quel type de pompe hydraulique ??? engrenages ?? par ex.