US 11,981,427 B2
Braking force generation device, wing, and aircraft
Motohide Uehara, Tokyo (JP); Kazuhiro Imai, Tokyo (JP); Yuki Morisaki, Tokyo (JP); and Yasuhiro Saiki, Tokyo (JP)
Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
Appl. No. 17/635,556
Filed by MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo (JP)
PCT Filed Feb. 10, 2020, PCT No. PCT/JP2020/005093
§ 371(c)(1), (2) Date Feb. 15, 2022,
PCT Pub. No. WO2021/053846, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 2019-168294 (JP), filed on Sep. 17, 2019.
Prior Publication US 2022/0297823 A1, Sep. 22, 2022
Int. Cl. B64C 3/50 (2006.01); B64C 3/58 (2006.01); B64C 9/02 (2006.01); B64C 9/32 (2006.01); B64C 21/02 (2006.01); B64C 21/08 (2023.01); B64C 25/42 (2006.01)
CPC B64C 3/50 (2013.01) [B64C 3/58 (2013.01); B64C 9/02 (2013.01); B64C 9/323 (2013.01); B64C 21/025 (2013.01); B64C 21/08 (2013.01); B64C 25/42 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A braking force generation device comprising:
a cross flow fan on a trailing edge side of a wing;
a deflector above the cross flow fan, the deflector being capable of being retracted with respect to the wing, and having a leading edge and a trailing edge such that both of the leading edge and the trailing edge are capable of being separated from the wing; and
a blocker door below the cross flow fan, the blocker door being configured to rotate with one end side fixed to the wing as a center, and capable of being retracted or deployed with respect to the wing,
wherein the braking force generation device is configured to have:
a first mode in which the deflector and the blocker door are retracted with respect to the wing;
a second mode in which, in a state where: (i) the leading edge of the deflector is separated from the wing; (ii) the trailing edge of the deflector is at or adjacent to the wing; and (iii) the blocker door is deployed; a first flow path is formed on a lower surface side of the deflector for fluid to flow from a rear of the wing to a front of the wing via the cross flow fan from an opening on a blocker door side to a leading edge opening on a leading edge side of the deflector in the first flow path; and
a third mode in which, in a state where: (i) the leading edge of the deflector is separated from the wing; (ii) the trailing edge of the deflector is separated from the wing; and (iii) the blocker door is retracted: a second flow path is formed on the lower surface side of the deflector for the fluid to flow from the front of the wing to the rear of the wing via the cross flow fan from the leading edge opening on the leading edge side of the deflector to a trailing edge opening on a trailing edge side of the deflector in the second flow path, and
wherein:
the second flow path provides communication between the leading edge opening and the trailing edge opening;
the leading edge opening is defined between the deflector and the wing and forward of the cross flow fan; and
the trailing edge opening is defined between the deflector and the wing and rearward of the cross flow fan.