Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1986-05-20
1988-07-12
Miller, Carl Stuart
Internal-combustion engines
Charge forming device
Fuel injection system
123496, 123447, 123498, F02M 3900
Patent
active
047562900
ABSTRACT:
A drive circuit for an electrostrictive element actuator for a fuel injection apparatus of a diesel engine. The drive circuit has a condenser adapted to be charged with electric charges generated by the electrostrictive element actuator; a combination of an electric charge transferring switching element and a rectifier element for becoming conductive in a first period and charging electric charges generated by the electrostrictive element actuator to the condenser; and a combination of an electric charge returning switching element and a rectifier element for becoming conductive in a second period, other than the first period, and returning electric charges stored in the condenser to the electrostrictive element actuator.
REFERENCES:
patent: 4175587 (1978-11-01), Chadwick
patent: 4391133 (1983-07-01), Ito
patent: 4437391 (1984-03-01), Ito
patent: 4483480 (1984-11-01), Yasuhara
patent: 4503820 (1985-03-01), Nakagawa
patent: 4541284 (1985-09-01), Guagaiumi
patent: 4550744 (1985-11-01), Igashira
patent: 4622942 (1986-11-01), Nozaki
Igashira, U.S. Ser. No. 06/754,750, filed Jul. 15, 1985.
Abe Seiko
Kawai Hisasi
Moritugu Mitiyasu
Sakakibara Yasuyuki
Miller Carl Stuart
Nippon Soken Inc.
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