Patent ID: 6273048
Filing Date: 2001-08-14
Classification: F02M

Abstract:
An intake manifold for a vehicle engine with vacuum storage, comprising:a manifold enclosure defining an interior including a plenum space and having an inlet for receiving air thereto;said plenum space fluidly connected to said inlet to provide a substantial volume of air for the associated engine;a plurality of branch runners fluidly connected to said plenum space, each runner delivering air from said plenum space to a cylinder of the associated vehicle engine;a vacuum reservoir enclosure defining an interior control space, said vacuum reservoir enclosure acting as a source of vacuum for the vehicle's vacuum using component;an integral passageway formed between separated boundary walls of said plenum space and said vacuum reservoir; anda check valve totally supported in said integral passageway between said plenum and said vacuum reservoir boundary walls allowing the flow of air from said vacuum reservoir into said plenum but blocking air flow in the reverse direction.