US 12,269,449 B2
Brake test device and method for vehicles
Paul Andrew Roy Summers, Rutherglen (CA)
Assigned to Miller Technology Incorporated, Rutherglen (CA)
Appl. No. 18/681,130
Filed by Miller Technology Incorporated, North Bay (CA)
PCT Filed Nov. 22, 2021, PCT No. PCT/CA2021/051651
§ 371(c)(1), (2) Date Feb. 5, 2024,
PCT Pub. No. WO2023/087091, PCT Pub. Date May 25, 2023.
Prior Publication US 2024/0262336 A1, Aug. 8, 2024
Int. Cl. G01M 17/00 (2006.01); B60T 17/22 (2006.01); G07C 5/00 (2006.01); G07C 5/08 (2006.01)
CPC B60T 17/22 (2013.01) [G07C 5/008 (2013.01); G07C 5/0808 (2013.01); B60T 2210/20 (2013.01); B60T 2240/00 (2013.01); B60T 2250/00 (2013.01); B60T 2250/02 (2013.01); B60T 2250/04 (2013.01); B60T 2270/406 (2013.01); B60T 2270/88 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A brake test device for a braking system of a vehicle, wherein said braking system of a vehicle comprises an emergency brake and a service brake and ensuring compliance with safety regulations and ensuring the braking system of said vehicle is functional, said brake test device comprising:
i. at least one controller;
ii. at least one emergency brake sensor and at least one service brake sensor in communication with said at least one controller;
iii. at least one emergency brake status indicator and at least one service brake status indicator in communication with said at least one controller;
iv. at least one of a motor torque sensor or a directional sensor in communication with said at least one controller;
v. said at least one of a motor torque sensor or a directional sensor communication with said at least one controller; and
vi. at least one brake test status indicator,
wherein said at least one controller is configured to receive inputs including:
a maximum allowable vehicle speed limit value, a gross vehicle weight value, a maximum angle of decline of a road surface, a radius of static loaded tire of said vehicle, and an overall gear ratio between a motor of said vehicle and a wheel assembly of said vehicle.