Fitted crankcase breather valve assembly

Details Fitted crankcase breather valve assembly Fitted crankcase breather valve assembly

F - Mech Eng,Light,Heat,Weapons

01

M

F01M 13/00 (2006.01) F16K 15/14 (2006.01) F02B 75/00 (2006.01)

Patent

CA 2062190

A crankcase breather assembly for an internal combustion engine. A breather passage is provided in the crankcase for communication of combustion gases out from the crankcase interior and includes an annular recess defining a shoulder having a corner edge. A valve assembly is disposed in the passage for intermittently permitting the expulsion of gases from the crankcase interior through the passage. The valve assembly includes a valve seat portion connected with a flexible breather valve. The valve seat portion includes a locking portion disposed at least partially within the annular recess and forms an interference fit therein, and extending axially beyond the corner edge such that the corner edge positively locks the valve seat within the passage.

Système de reniflard pour moteur à combustion interne. Un passage de reniflard est prévu dans le carter, pour l'acheminement des gaz de combustion à l'extérieur du carter, et comprend un logement annulaire définissant un épaulement ayant un angle sortant. Un ensemble de soupape est disposé dans le passage pour permettre, par intermittence, l'expulsion des gaz de l'intérieur du carter, par le passage. L'ensemble de soupape comprend un siège de soupape, relié à une soupape flexible. Le siège de soupape comprend une partie de verrouillage disposée au moins en partie à l'intérieur du logement annulaire et est ajusté serré dans le logement, et se prolonge axialement au-delà de l'angle sortant, de sorte que l'angle sortant assure un verrouillage absolu du siège de soupape à l'intérieur du passage.

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