| US 7,559,316 B2 | ||
| Indicator for a vehicle having a dual fuel engine | ||
| Masanori Matsushita, Aki-gun (Japan); Tomoaki Saito, Aki-gun (Japan); and Hiroaki Mitsugi, Aki-gun (Japan) | ||
| Assigned to Mazda Motor Corporation, Hiroshima (Japan) | ||
| Filed on Jun. 13, 2007, as Appl. No. 11/762,464. | ||
| Claims priority of application No. 2006-183686 (JP), filed on Jul. 03, 2006. | ||
| Prior Publication US 2008/0000457 A1, Jan. 03, 2008 | ||
| Int. Cl. F02D 19/06 (2006.01); F02D 41/00 (2006.01) | ||
| U.S. Cl. 123—525 [701/104] | 11 Claims |
| 1. A method of controlling a vehicle system having an internal combustion engine to propel a vehicle, said internal combustion
engine being capable of combusting at least two different compositions of fuel, the method comprising:
changing the composition of fuel supplied to said internal combustion engine;
indicating a signal in accordance with the fuel composition change; and
prohibiting said indicating the signal when the desired output torque of said internal combustion engine is below a predetermined
torque even if the fuel composition change occurs.
|