Internal-combustion engines – Starting device – For airplane
Patent
1978-08-29
1980-07-29
Lall, P. S.
Internal-combustion engines
Starting device
For airplane
123445, 123179G, 261 50A, 261 39E, F02M 3902, F02M 100
Patent
active
042145651
ABSTRACT:
A fuel injection apparatus for mixture-compressing, externally ignited internal combustion engines. An air flow rate member, arranged in the air intake manifold is moved against a return force by air flowing through it to adjust a control slide of a metering and distribution assembly arranged in the fuel supply line in order to effect the apportionment of a quantity of fuel which is proportional to the air quantity. The return force is produced by a pressure fluid acting upon the control slide, the pressure of the fluid being variable in accordance with operating characteristics of the internal combustion engine. The control slide has an actuation slide contacting the air flow rate member as well as an apportionment slide, which has a projection with a smaller diameter projecting into an axial throttle bore of the actuation slide and defining a damping space in the throttle bore. The damping space is in communication with the fuel supply line via a gap between the projection and the throttle bore, and there is a bimetallic spring arranged between the apportionment slide and the actuation slide. By this means a richer fuel-air mixture is controlled at the metering and distribution assembly in accordance with the starting temperature, during starting of the engine below a predetermined temperature; the enrichment is lessened after the start in accordance with both temperature and time.
REFERENCES:
patent: 3613650 (1971-10-01), Stumpp et al.
patent: 4132211 (1979-01-01), Wilfert et al.
patent: 4136653 (1979-01-01), Knapp et al.
Fussner Paul
Grassle Alfred
Knapp Heinrich
Wilfert Thomas
Greigg Edwin E.
Lall P. S.
Robert & Bosch GmbH
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