Soil compactor and traction control system thereon

Details Soil compactor and traction control system thereon Soil compactor and traction control system thereon

1998-05-26

1999-06-29

Hurley, Kevin

Motor vehicles

With means for detecting wheel slip during vehicle...

180 20, 180307, 701 82, B60K 2816

Patent

active

059154926

ABSTRACT:
An earth compactor is propelled by a hydraulic circuit that includes a first hydraulic motor to drive a drum member and a second hydraulic motor to drive a tractor member mounted on tires, with a traction control system that includes a motor speed sensing device on each hydraulic motor. The speed sensing devices transmit electrical signals to a microcontroller, which compares the speeds and varies the speed of the tires or drum to maintain a preselected ratio between the two, thereby maintaining traction of both members. The compactor includes a ground slope sensing device which generates electrical signals and transmits the signals to the microcontroller such that, whenever the tires become elevated above the drum, the microcontroller lowers the speed of the tires and the drum to prevent tire hop.

REFERENCES:
patent: 4399886 (1983-08-01), Pollman
patent: 4402377 (1983-09-01), Brooks et al.
patent: 4976331 (1990-12-01), Noerens
patent: 5201570 (1993-04-01), Heren et al.
patent: 5564519 (1996-10-01), Katoh et al.
Sauer Sundstrand DC2 Microcontroller Brochure, Issued Mar., 1993.

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