Flow rate control system for fluid being supplied to an internal

Details Flow rate control system for fluid being supplied to an internal Flow rate control system for fluid being supplied to an internal

1981-07-07

1983-04-26

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Having fluidic logic control means

123589, F02M 718

Patent

active

043809855

ABSTRACT:
A system for control of the flow rate of a fluid being supplied to an internal combustion engine. The system includes a flow rate control valve for controlling the flow rate of a fluid being supplied to the engine, a pulse motor for driving the flow rate control valve, position detecting means for detecting the position of the flow rate control valve with respect to a reference position to produce two different levels of output, depending upon a detected valve position, and an electrical circuit responsive to the output of the position detecting means to drive the pulse motor. At the start of the engine, the electrical circuit is operable to drive the pulse motor in directions as a function of the output of the position detecting means, stopping same upon a certain change in the level of the above output, which corresponds to the reference position and hence setting it to a predetermined position preset as a function of parameters of the operating condition of the engine. The system is also provided with a function of monitoring the actual pulse motor position as well as a fail safe diagnosis function for the position detecting means and its related parts.

REFERENCES:
patent: 4020813 (1977-05-01), Hattori et al.
patent: 4083337 (1978-04-01), Hattori et al.
patent: 4337742 (1982-07-01), Carlson et al.

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