Method of controlling pulsation resonance point generating...

Details Method of controlling pulsation resonance point generating... Method of controlling pulsation resonance point generating...

2005-07-19

2005-07-19

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S456000

Reexamination Certificate

active

06918375

ABSTRACT:
In a fuel supplying mechanism in which fuel delivery pipes of a non-return type are disposed, the generation region of pulsation resonance is arbitrarily controlled, thereby eliminating various disadvantages otherwise occurring where the pulsation resonance point exists in a favorable rotation region for normal use of the engine. A pair of the fuel delivery pipes1, 2of a non-return type is disposed for each bank of a horizontal opposed type or V-type engine and coupled with a connection pipe4. A characteristic period time of a pulsation wave induced by the pulsation wave generated during fuel injection of the injection nozzles3via a connection pipe4coupling between one to the other of the fuel delivery pipes1, 2is controlled to render the characteristic period time longer to shift the pulsation resonance point out of a low rotation region of the engine as well as to render the characteristic period time shorter to shift the pulsation resonance point out of a high rotation region of the engine.

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