Test stand for internal combustion engine

Details Test stand for internal combustion engine Test stand for internal combustion engine

G - Physics

01

M

G01M 15/08 (2006.01) G01M 15/09 (2006.01)

Patent

CA 2403010

The invention concerns a test stand for elements of an internal combustion engine cylinder head comprising at least a combustion or pressure chamber (29), means supplying (10) a hydraulic fluid into the combustion or pressure chamber, and means controlling said fluid pressure so as to simulate pressure cycles in the combustion or pressure chamber. The control means comprise at least a high pressure source (6) of hydraulic fluid, at least one solenoid valve (7) per combustion or pressure chamber to supply said combustion or pressure chamber with hydraulic fluid from the high pressure source, at least a pressure sensor (8) for measuring the pressure in each combustion or pressure chamber, and control means (9) for controlling each solenoid valve on the basis of the pressure measured in said combustion or pressure chamber and a setpoint pressure.

L'invention concerne un banc d'essai pour organes de culasse de moteur à combustion interne comprenant au moins une chambre de combustion ou de pression (29), des moyens d'amenée (10) d'un fluide hydraulique dans la chambre de combustion ou de pression, et des moyens de contrôle de la pression de ce fluide de manière à simuler des cycles de pression dans la chambre de combustion ou de pression. Les moyens de contrôles comprennent au moins une source (6) de fluide hydraulique à haute pression, au moins une électrovanne (7) par chambre de combustion ou de pression pour alimenter cette chambre de combustion ou de pression en fluide hydraulique à partir de la source à haute pression, au moins un capteur de pression (8) pour mesurer la pression dans chaque chambre de combustion ou de pression, et des moyens de commande (9) pour commander chaque électrovanne en fonction de la pression mesurée dans cette chambre de combustion ou de pression et d'une pression de consigne.

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