CPC F02D 19/0613 (2013.01) [F02D 19/0605 (2013.01); F02D 19/0647 (2013.01); F02D 19/0673 (2013.01); Y02T 10/30 (2013.01)] | 21 Claims |
1. A mechanical fuel lockout switch for a dual fuel engine comprising:
a mechanical fuel valve actuatable between a first position and a second position to selectively control fuel flow to the dual fuel engine from a first fuel source through a first fuel line and a second fuel source through a second fuel line, the mechanical fuel valve configured to:
allow communication between the first fuel source and the dual fuel engine and prevent communication between the second fuel source and the dual fuel engine while in the first position, and
prevent communication between the first fuel source and the dual fuel engine while in the second position; and
a fuel lockout apparatus coupled to the mechanical fuel valve and configured to:
prevent the second fuel source from coupling to the second fuel line while the mechanical fuel valve is in the first position, and
permit the second fuel source to couple to the second fuel line while the mechanical fuel valve is in the second position.
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