US 12,325,407 B2
Mobile working machine, control system and method for controlling mobile working machine
Anssi Sarhaluoma, Vieremä (FI); Vesa Koirikivi, Vieremä (FI); Mika Keränen, Vieremä (FI); Jukka Karppinen, Vieremä (FI); Petri Nousiainen, Vieremä (FI); and Jukka Tossavainen, Vieremä (FI)
Assigned to Ponsse Oyj, Vieremä (FI)
Appl. No. 17/910,267
Filed by Ponsse Oyj, Vieremä (FI)
PCT Filed Mar. 8, 2021, PCT No. PCT/FI2021/050168
§ 371(c)(1), (2) Date Sep. 8, 2022,
PCT Pub. No. WO2021/181006, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 20205248 (FI), filed on Mar. 9, 2020.
Prior Publication US 2023/0128377 A1, Apr. 27, 2023
Int. Cl. B60T 8/88 (2006.01); B60L 1/00 (2006.01); B60L 3/12 (2006.01); B60T 8/92 (2006.01)
CPC B60T 8/885 (2013.01) [B60L 1/003 (2013.01); B60L 3/12 (2013.01); B60T 8/92 (2013.01); B60L 2200/40 (2013.01); B60L 2240/42 (2013.01); B60L 2240/421 (2013.01); B60L 2240/461 (2013.01); B60L 2240/486 (2013.01); B60L 2240/642 (2013.01); B60T 2210/20 (2013.01); B60T 2240/00 (2013.01); B60T 2250/00 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A mobile working machine, comprising:
a body,
moving means,
a hydraulic power transmission system,
a drive motor,
a drive power transmission between the drive motor and moving means,
a brake system,
means for monitoring the rotation speed of an output of the drive motor,
means for monitoring the rotation of the moving means, and
a control unit configured to detect a fault situation by comparing the rotation speed of the output of the drive motor with the rotation of the moving means, wherein the control unit, in response to detecting the fault situation, is further configured to control the brake system to brake.