Carburetion system for V-type internal combustion engines

Details Carburetion system for V-type internal combustion engines Carburetion system for V-type internal combustion engines

1982-07-12

1984-05-01

Cross, E. Rollins

Internal-combustion engines

Multiple cylinder

Cylinders in-line

123579, 123580, 123 52MV, F02B 7520

Patent

active

044454660

ABSTRACT:
A carburetion system for V-type internal combustion engine having a first carburetor and a second carburetor disposed in a space between a first cylinder and a second cylinder arranged in a form like V and adapted to supply air-fuel mixture to respective cylinders independently, improved to have a compact structure and superior intake charging efficiency with capability of substantially uniformly supplying the mixture during acceleration and deceleration of the vehicle. The carburetors have intake barrels defining therein intake passages communicating with the associated cylinders. The intake barrels are disposed substantially at right angles to the axes of the associated cylinders and in the close proximity of each other in such a manner as to partially cross each other. A pair of float chambers are disposed between the intake barrels below the point of crossing of the intake barrels. A main fuel system and a slow fuel system for introducing the fuel from each float chamber have a main fuel pipe and a slow fuel pipe which extend into the portions of the float chamber below the fuel surface. The axes of the main fuel pipe and slow fuel pipe are inclined to the axis of the intake barrel. The slow fuel pipe is arranged such that its axis intersects the fuel surface at a point as close as possible to the center of the fuel surface. Each float chamber accommodates therein a float which cooperates with a float valve in maintaining a constant fuel surface level in the float chamber. The float is arranged in such a manner as to move in parallel with the axis of the slow fuel pipe in response to a change in the level of the fuel surface in the float chamber.

REFERENCES:
patent: 3142289 (1964-07-01), Platner et al.

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