Cleaning internal combustion engines

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

Patent

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Details

IPC codes

F02B 77/04 (2006.01) B08B 9/00 (2006.01) B08B 9/02 (2006.01) F02B 3/06 (2006.01)

Type

Patent

Patent number

CA 2179997

Description

Cleaning internal combustion engines (16) includes drawing cleaning fluid from a resevoir (22) by a pump (74), flushing through the block of the internal combus- tion engine (16), and returning the fluid to the resevoir (22) by the pump (74). Prior to cleaning, flushing and soaking the engine (16), lubricant is withdrawn under a pres- sure differential from the engine block. A vacuum can be applied to the oil drain (20) for the engine block for effecting this with- drawal. Additionally or alternatively, pres- sure can be applied to the oil filter opening (18) to the engine block for facilitating the withdrawal of the lubricant.

Le nettoyage de moteurs à combustion interne (16) consiste à aspirer un fluide de nettoyage depuis un réservoir (22) à l'aide d'une pompe (74), à rincer le bloc-moteur (16), et à renvoyer le fluide au réservoir (22) au moyen de la pompe (74). Avant nettoyage, rinçage et trempage du moteur (16), le lubrifiant est enlevé du bloc-moteur sous une pression différentielle. A cet effet, un vide peut être appliqué à l'orifice de vidange (20) du bloc-moteur. En plus ou en variante, une pression peut être appliquée à l'orifice du filtre à huile (18) sur le bloc-moteur pour faciliter le retrait du lubrifiant.

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