Braking systems for articulated vehicles

Details Braking systems for articulated vehicles Braking systems for articulated vehicles

1990-02-27

1991-07-09

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188112R, 303 221, 303100, 280432, 2804461, B60T 1300

Patent

active

050299476

ABSTRACT:
The fifth wheel of an articulated vehicle comprising the coupling between a semi-trailer and a tractor is provided with measuring apparatus for measuring forces imparted from the semi-trailer. The apparatus comprises a sensing device for measuring horizontal loads, and a sensing device for measuring vertical loads. The signals from the sensing devices and are fed into an electronic controller, in turn to cause the brakes on the trailer to be applied to achieve balanced braking, anti-lock control, and traction control of the wheels. A tractor fitted with a braking system of the brake-by-wire type with a conventional semi-trailer, without modifications to semi-trailer or to the braking components of the semi-trailer can therefore be used.

REFERENCES:
patent: 3759545 (1973-09-01), McKethan
patent: 4093265 (1978-06-01), Hodge
patent: 4768840 (1988-09-01), Sullivan et al.

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