Method for supplying vapour to the intake air of an internal...

F - Mech Eng,Light,Heat,Weapons – 02 – M

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Details

F02M 25/035 (2006.01) F02B 47/02 (2006.01) F02B 3/06 (2006.01) F02B 75/18 (2006.01)

Patent

CA 2184072

The invention relates to a method for supplying vapour to intake air that is supplied to an internal combustion engine (1). The method comprises the steps of compressing the intake air before supplying the vapour and contacting, in a moistening means (8), the intake air with liquid, by simultaneously feeding the compressed intake air and the liquid into the moistening means (8) and causing the intake air and the liquid to flow in opposite directions through the moistening means (8). The invention also relates to a device for supplying vapour to the intake air of an internal combustion engine (1), to which a compressor (6) for compressing the intake air is connected. The device comprises a moistening means (8), which is connected between the compressor (6) and the engine (1) and which comprises a first connection for feeding the water into the moistening means (8) and a second connection for feeding the intake air into the moistening means (8), the moistening means (8) being adapted to carry out the supply of water vapour to the intake air by contacting the intake air and the water with each other, while flowing in opposite directions through the moistening means.

L'invention concerne un procédé d'alimentation en vapeur de l'air d'admission envoyé à un moteur à combustion interne (1). Ce procédé consiste à comprimer l'air d'admission avant de l'alimenter en vapeur, et de mettre celui-ci en contact, dans un moyen d'humidification (8), avec du liquide, l'air d'admission comprimé et le liquide étant envoyés simultanément dans ledit moyen d'humidification (8), ce qui entraîne l'écoulement de l'air d'admission et du liquide dans des sens opposés dans ledit moyen (8). L'invention porte également sur un dispositif conçu pour envoyer de la vapeur dans l'air d'admission d'un moteur à combustion interne (1) auquel est raccordé un compresseur (6) comprimant l'air d'admission. Le dispositif comporte un moyen d'humidification (8) raccordé entre le compresseur (6) et le moteur (1), et comprenant un premier raccord pour l'entrée de l'eau et un second raccord pour l'entrée de l'air d'admission. Ce moyen d'humidification est conçu pour assurer l'alimentation en vapeur d'eau de l'air d'admission par mise en contact de l'air d'admission avec l'eau, ces derniers s'écoulant dans des sens opposés dans le moyen d'humidification.

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