Electronically controlled fuel injection device with air assista

Details Electronically controlled fuel injection device with air assista Electronically controlled fuel injection device with air assista

1993-11-16

1995-02-28

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

123491, 12317918, F02M 5100

Patent

active

053927460

ABSTRACT:
A fuel injection device comprises electrically controlled fuel injectors, each opening into an air induction passage upstream of a respective intake valve of a combustion chamber. Each injector has an air-fuel mixture chamber. A throttle valve in the induction passage is constructed to close it when in a minimum opening position. An air line connects the induction passage to the mixture chambers and has an additional air electrically controlled valve. A supplemental electrically controlled valve is branched out of the line and opens into the induction passage downstream of the throttle valve. An electronic unit controls the injectors and the supplementary valve and opens the supplemental valve during cold start of the engine at low temperature and during operation of the engine as a brake at normal temperature, high speed and with the throttle valve closed.

REFERENCES:
patent: 4519354 (1985-05-01), Katoh et al.
patent: 4519370 (1985-05-01), Iwata
patent: 4700679 (1987-10-01), Otobe et al.
patent: 4732122 (1988-03-01), Scarnera et al.
patent: 4989563 (1991-02-01), Fukutomi et al.
patent: 5035358 (1991-07-01), Katsuno et al.
patent: 5205120 (1993-04-01), Oblander
patent: 5224458 (1993-07-01), Okada et al.
Patent Abstracts of Japan-vol. 6, No. 263 (M-181) Dec. 22, 1982 & JP-A-57 157 058 (Toyoto Jidosha Kogyo KK) Sep. 28, 1982-Abstract.
Patent Abstracts of Japan-vol. 8, No. 240 (M-336) Nov. 6, 1984 & JP-A-59 119 053 (Nippon Jidosha Buhin Sogo Kenkyusho KK) Jul. 10, 1984-Abstract.

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