Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1995-08-18
1997-06-17
Solis, Erick R.
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
123DIG3, F02M 2507
Patent
active
056388039
ABSTRACT:
The present invention relates to a fueling control device for a remote-control model to prevent fuel oil overflow and to stop fueling automatically by sensing fuel oil delivery pressure. The device has a check valve, a pump and a control device with an electronic control consisting of a DC power supply circuit, a voltage regulation circuit, a switch type voltage regulation circuit, a control key, a CPU, a differential current inspection circuit, a motor circuit, and a motor driven pump. The check valve is connected between the fuel oil tank and an air conduit connected to a muffler. The pump is connected between a fuel oil drum, and a fuel oil delivery tube for pumping fuel oil from the fuel oil drum into the fuel oil tank. When the fuel oil tank is filled, overflow fuel oil causes closure of the check valve to cause a sudden rise of fuel oil delivery pressure. The rising load on the motor is transmitted to the control device to cause the pump to stop running.
REFERENCES:
patent: 2764139 (1956-09-01), Gordon
patent: 3734072 (1973-05-01), Yamda
patent: 5488933 (1996-02-01), Pham
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