INTAKE MANIFOLD OF VEHICLE ENGINE UNIT Russian patent published in 2004 - IPC

FIELD: transport engineering. SUBSTANCE: invention relates to systems providing optimum temperature of air charge of vehicle engine units. Proposed intake manifold consists of housing with cavities made over its entire length. Said spaces are made if form of Grover heat, pipes, posistor heater placed inside housing and with heat contact with housing. Said heater is furnished additionally with heat sinks made in form of Ш -shaped ribbed plates with seat joints installed on top of manifold and with heat contact with the latter. EFFECT: improved reliability of starting and operation of engine at optimum temperature of air charge within wide ambient temperature range. 2 cl, 1 dwg