Starting system for internal combustion engines which can be driven by different fuels
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United States of America Patent
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Aug 20, 1996
Grant Date -
N/A
app pub date -
May 17, 1995
filing date -
Nov 18, 1992
priority date (Note) -
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Abstract
An arrangement for the supply of fuel to internal combustion engines with different mixing ratios of methanol and petrol, and continuous transition during operation between different mixtures thereof which arrangement includes a main tank (2) and a slave tank (4), which slave tank must be isolated from the main tank so that its mixing ratio is not varied by filling, enabling the engine to be started on the same fuel as that on which it was stopped. The engine is supplied with fuel by a fuel pump (7) arranged in the slave tank (4), which fuel pump also drives an ejector (6) arranged in the main tank (2), so that fuel is entrained from the main tank (2) to the slave tank (4). Only one fuel pump (7) is therefore required. Because the ejector (6), in controlled dependence of the engine temperature, supplies the fuel to slave tank (4) through a rising pipe (20) which discharges above the highest fuel level in the slave tank (4) and the main tank (2) respectively, a safely isolated slave tank (4) is obtained during the warming up phase, followed by rapid mixing of the fuel in the slave tank (4) with the fuel present in the main tank (2).
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