Fuel injection sytem employing solid-state injectors for liquid

Details Fuel injection sytem employing solid-state injectors for liquid Fuel injection sytem employing solid-state injectors for liquid

1994-03-15

1995-08-01

Yuen, Henry C.

Internal-combustion engines

Charge forming device

Fuel injection system

123497, 123498, 123299, 239564, 239584, F02M 3704, F02B 300

Patent

active

054372550

ABSTRACT:
A surface array of electrically actuated pulsed microscopic fuel jets arranged on the interior surface of a mixing chamber injects fuel into air to form a combustible air-fuel mixture. The jets are solid state units with no moving parts, which can be actuated individually or in groups, and the volume of fuel injected per each jet's firing pulse can be varied by changing the characteristics of the electrical actuating pulse. Having no moving parts and being electrically activated, the jets are intrinsically suited to direct computer control. By providing a large number of such jets and a means of their direct electronic control via negative feedback, fine control of the operating parameters of the combustion engine and a high degree of redundancy to compensate for the failure of individual jets is made possible. The lack of moving parts and the absence of a high pressure fuel supply system provide significant advantages in performance, cost, reliability, and safety over the prior art in fuel injection.

REFERENCES:
patent: 4216745 (1980-08-01), Latter et al.
patent: 4698644 (1987-10-01), Drago et al.
patent: 4811708 (1989-03-01), Gruden
patent: 4958774 (1990-09-01), Taylor
patent: 5152456 (1992-10-01), Ross et al.
patent: 5189437 (1993-02-01), Michaelis et al.

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