G - Physics – 01 – F
Patent
G - Physics
01
F
73/132, 137/141
G01F 1/42 (2006.01) F02M 19/01 (2006.01) G01F 1/32 (2006.01)
Patent
CA 1079090
ABSTRACT Herein disclosed is a liquid fuel supply system for an internal combustion engine wherein a flow rate sensor is disposed in the fuel line that connects a fuel pump to the float chamber of a carburetor. The flow rate sensor includes oscillating means having a frequency of oscillation proportional to the rate of fuel flow through said fuel line, the oscillating means being in the form of a pivoted vane disposed in a cavity within said flow rate sensor which alternatively directs fuel to spaced outlet passages as the vane oscillates. A pressure accumulator is inserted in the fuel line between the pump and the flow rate sensor for damping continuous periodic pressure pulsations. The pressure accumulator comprises a chamber with a pair of compartments separated by a movable wall wherein only one compartment is connected to the fuel line and the other compartment contains a compressible means for absorbing energy due to increase in fuel pressure and releasing the energy thus absorbed during decreases in fuel pressure so as to effect said damping.
281747
Hayakawa Yoshikazu
Usui Keizaburo
LandOfFree
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