Supplemental fuel system for compression-ignition engine
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United States of America Patent
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-
Dec 5, 2023
Grant Date -
Mar 2, 2023
app pub date -
Aug 31, 2022
filing date -
Sep 1, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A supplemental fuel system includes a supplemental fuel tank, an electronic lock off valve, a temperature sensor, and a controller. The supplemental fuel tank is configured to store a supplemental fuel. The supplemental fuel is configured to supplement a primary fuel used by an engine. The electronic lock off valve is configured to be positioned between the supplemental fuel tank and an air supply system for the engine. The temperature sensor is configured to acquire temperature data regarding a temperature of exhaust gas output by the engine. The controller is configured to control the electronic lock off valve such that the electronic lock off valve is (i) closed in response to the temperature being greater than a temperature threshold and (ii) open or openable in response to the temperature being less than the temperature threshold.
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