Patent ID: 9127627
Filing Date: 2015-09-08
Classification: F01M,F02M,Y02T

Abstract:
1. An intake device of a vertical multi-cylinder engine, connectable to an intake port of a cylinder head of the engine, the intake device comprising: an intake manifold having: a throttle body located at an upper portion of the intake air introducing portion, the throttle body having a throttle passage oriented in an up-down direction, a butterfly-type throttle valve located in the throttle passage for throttling an air intake stream downward, the throttle valve being pivotable about a valve shaft attached to the throttle passage and oriented in the front-to-rear direction, and a blow-by gas inlet portion disposed on a downstream side of the air intake stream and downstream from the throttle valve, in a peripheral wall of the throttle passage on a side toward which the lower end portion of the throttle valve is directed when in a half-open position.