Fuel injection apparatus having fuel pressurizing pump

Details Fuel injection apparatus having fuel pressurizing pump Fuel injection apparatus having fuel pressurizing pump

1990-09-24

1992-01-14

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Auxiliary air or gas used to inject fuel

123498, 239585, F02M 4300

Patent

active

050800795

ABSTRACT:
A fuel injection apparatus has a piezoelectric element for generating a high-pressurized air-fuel gas mixture. The piezoelectric element is arranged at a side of a pumping chamber, and a diaphragm is arranged between the piezoelectric element and the pumping chamber. The piezoelectric element produces a pumping function in accordance with a current signal.

REFERENCES:
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patent: 4149497 (1979-04-01), Zeliszkewycz
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patent: 4774909 (1988-10-01), Dolderer
patent: 4782807 (1988-11-01), Takahashi
patent: 4844339 (1989-07-01), Sayer et al.
patent: 4899714 (1990-02-01), Schechter et al.
patent: 4943004 (1990-07-01), Takahashi
patent: 4974571 (1990-12-01), Oppenheim et al.

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