Lubrication apparatus

F - Mech Eng,Light,Heat,Weapons – 01 – M

Patent

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Details

F01M 5/00 (2006.01) F01M 11/00 (2006.01)

Patent

CA 2600135

An oil pan (130) comprises an oil pan cover (131) storing oil in an internal space and an oil pan separator (132) positioned in the internal space. The oil pan separator (132) is positioned so as to divide the internal space into a first chamber (30a), which has an oil strainer (41) at its bottom, and a second chamber (30b), which is adjacent to the first chamber (30a). The oil pan separator (132) includes a slope plate (132c) for capturing return oil that flows back from a cylinder block (20a) to an oil pan (130). Part of the captured return oil flows to the second chamber (30b) via a communication hole (132f) that is provided in the slope plate (132c). The remaining captured return oil flows into the first chamber (30a). This ensures that the oil level in the second chamber (30b) is higher than that in the first chamber (30a). Therefore, when a solenoid valve (133) opens at the end of a warm-up operation, the oil in the second chamber (30b) flows into the first chamber (30a).

La présente invention concerne un carter d~huile (130) comprenant un couvercle de carter d~huile (131) stockant de l~huile dans un espace interne et un séparateur de carter d~huile (132) positionné dans l~espace interne. Le séparateur de carter d~huile (132) est positionné de manière à diviser l~espace interne en une première chambre (30a) muni d~une crépine (41) dans le fond et en une seconde chambre (30b) située à côté de la première chambre (30a). Le séparateur de carter d~huile (132) comprend une plaque inclinée (132c) permettant de capturer l~huile de retour s~écoulant d~un bloc-cylindres (20a) vers un carter d~huile (130). Une partie de l~huile de retour capturée s~écoule vers la seconde chambre (30b) via un trou de communication (132f) disposé dans la plaque d~écoulement (132c). L~huile de retour capturée restante s~écoule dans la première chambre (30a). Cela permet de garantir que le niveau d~huile est plus haut dans la seconde chambre (30b) que dans la première chambre (30a). Lorsqu'une électrovanne (133) s~ouvre à la fin d~une opération de réchauffage, l~huile se trouvant dans la seconde chambre (30b) s~écoule donc dans la première chambre (30a).

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