US 12,420,630 B2
Vehicle fuel system and vehicle fuel system malfunction detection method
Akihiro Takemura, Tokyo (JP); and Kazuya Okazaki, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Appl. No. 17/922,237
Filed by SUBARU CORPORATION, Tokyo (JP)
PCT Filed Sep. 21, 2021, PCT No. PCT/JP2021/034592
§ 371(c)(1), (2) Date Oct. 28, 2022,
PCT Pub. No. WO2023/047465, PCT Pub. Date Mar. 30, 2023.
Prior Publication US 2024/0217333 A1, Jul. 4, 2024
Int. Cl. E05B 83/34 (2014.01); B60K 15/04 (2006.01); E05B 81/70 (2014.01)
CPC B60K 15/0409 (2013.01) [E05B 81/70 (2013.01); E05B 83/34 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A vehicle fuel system comprising:
a fuel filler port through which fuel is to be supplied to a fuel tank of a vehicle;
a fuel filler space of a vehicle body of the vehicle, the fuel filler port being disposed in the fuel filler space;
a fuel filler flap configured to block an opening of the fuel filler space to be openable and closable;
a locking mechanism configured to regulate opening and closing operation of the fuel filler flap with respect to the opening; and
a detector configured to detect an open or closed state of the fuel filler flap,
wherein the locking mechanism includes:
a lock that is provided on the vehicle body and configured to operate in the fuel filler space; and
a lock receiver that is provided on the fuel filler flap on the fuel filler space side and configured to be locked by the lock,
wherein the detector detects at least:
a first detection value indicating that the lock receiver is locked by the lock and the fuel filler flap is in a full-closed state with respect to the opening; and
a second detection value indicating that the lock receiver is locked by the lock and the fuel filler flap is in a semi-open state with respect to the opening, and
wherein the semi-open state is a position in which the fuel filler flap is positioned away from the opening of the fuel filler space.