Intermittent fuel-injection method and device for two-stroke eng

Details Intermittent fuel-injection method and device for two-stroke eng Intermittent fuel-injection method and device for two-stroke eng

1991-10-07

1993-11-09

Okonsky, David A.

Internal-combustion engines

Two-cycle

Rear compression

123481, F02D 1702, F02D 300

Patent

active

052593444

ABSTRACT:
An intermittent fuel-injection method for two-stroke engine, which is done by means of an injection nozzle mounted under a cylinder head or on cylinder wall so as to have fuel directly injected into a cylinder to mix the air inside the cylinder into a homogeneous mixture; a controller is used for controlling the fuel-injection timing and quantity; the controller determines the injection timing and quantity in accordance with the engine intake air flow quantity and engine rpm; under idle running or low-load running condition, an intermittent fuel-injection control method is used so as to enable an engine to perform one, two, three, four or five scavenging and exhaust cycles after one fuel-injection cycle in order to obtain a steady and high combustion efficiency.

REFERENCES:
patent: 4768474 (1988-09-01), Fujimoto et al.
patent: 4991558 (1991-02-01), Daly et al.
patent: 5038739 (1991-08-01), Ishii
patent: 5054444 (1991-10-01), Morikawa
patent: 5080060 (1992-01-01), Huang et al.
patent: 5094217 (1992-03-01), Kaku et al.
patent: 5097811 (1992-03-01), Baumuller
patent: 5105792 (1992-04-01), Ichikawa et al.
patent: 5119792 (1992-06-01), Gu
patent: 5119793 (1992-06-01), Stoltman
patent: 5123399 (1992-06-01), Motoyama et al.

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