US 9,811,108 B2
Accelerator pedal device
Masato Kumamoto, Odawara (JP); and Tsuyoshi Ohsawa, Odawara (JP)
Assigned to MIKUNI CORPORATION, Tokyo (JP)
Appl. No. 14/129,706
Filed by Masato Kumamoto, Odawara (JP); and Tsuyoshi Ohsawa, Odawara (JP)
PCT Filed Jun. 22, 2012, PCT No. PCT/JP2012/065956
§ 371(c)(1), (2), (4) Date Dec. 27, 2013,
PCT Pub. No. WO2013/002132, PCT Pub. Date Jan. 3, 2013.
Claims priority of application No. 2011-141368 (JP), filed on Jun. 27, 2011.
Prior Publication US 2014/0130633 A1, May 15, 2014
Int. Cl. G05G 1/40 (2008.04); G01B 7/30 (2006.01); B60K 26/02 (2006.01); G05G 1/38 (2008.04); G05G 5/03 (2008.04); G05G 1/44 (2008.04)
CPC G05G 1/40 (2013.01) [B60K 26/021 (2013.01); G01B 7/30 (2013.01); G05G 1/38 (2013.01); G05G 5/03 (2013.01); B60K 2026/023 (2013.01); B60W 2540/10 (2013.01); G05G 1/44 (2013.01); Y10T 74/20534 (2015.01)] 4 Claims
OG exemplary drawing
 
1. An accelerator pedal device, comprising:
a pedal arm formed with resin material;
a first housing main body and a second housing main body which are formed with resin material and arranged to sandwich the pedal arm from opposing sides along a predetermined axis line, the first housing main body having a first side wall portion and a first bearing portion which is arranged coaxially with the predetermined axis line at an inner side of the first side wall portion;
the second housing main body having a second side wall portion and a second bearing portion which is arranged coaxially with the predetermined axis line at an inner side of the second side wall portion, the first bearing portion and the second bearing portion pivotably supporting the pedal arm about the predetermined axis line between a rest position and a maximum depression position by sandwiching the pedal arm in cooperation with each other;
a first housing cover connected to the first housing main body at an outer side of the first side wall portion opposite to the inner side of the first side wall portion where the second housing main body is connected;
a return spring for exerting urging force to return the pedal arm to the rest position;
a single position sensor for detecting an angular position of the pedal arm, the single position sensor including a ring-shaped armature and an arc-shaped permanent magnet both held at a cylindrical portion of the pedal arm, and a stator and a Hall element both arranged at a columnar portion formed at the inner side of the first side wall portion coaxially with the cylindrical portion, the stator being formed of a magnetic material;
a return lever for exerting a returning force to the pedal arm by coming into contact with the pedal arm;
a torque motor for rotating the return lever; and
a single control circuit board electrically connected to the torque motor by terminals embedded within the first side wall portion,
wherein the torque motor is arranged at the second housing main body from an outer side of the second side wall portion opposite to the inner side of the second side wall portion,
the control circuit board is arranged and held at the outer side of the first side wall portion between the first housing main body and the first housing cover, and
the position sensor is arranged so as to be separated from the torque motor by the first side wall portion and the second side wall portion and is connected electrically with the control circuit board.