Controller for tractor trailer braking devices

Details Controller for tractor trailer braking devices Controller for tractor trailer braking devices

1995-03-30

1996-05-14

Butler, Douglas C.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

188 3R, 188106P, 188273, 303 3, 303 13, B60T 720

Patent

active

055162002

ABSTRACT:
A controller of the invention is used for tractor trailer braking devices having a service brake, an exhaust brake and a retarder brake for a tractor, and a retarder brake for a trailer. The controller includes a main operating switch situated at a driver seat for controlling the exhaust brake and the tractor and trailer retarder brakes, a first interlocking switch for interlocking between the service brake and the tractor and trailer retarder brakes, a second interlocking switch for locking the tractor retarder brake, a first device to detect a condition of an accelerator pedal, a second device to detect a condition of a clutch, a third device to detect a condition of a brake pedal, and a fourth device to detect a condition of a trailer brake. The controller can effectively utilize the exhaust brake, and the tractor and trailer retarder brakes according to the driver's intention.

REFERENCES:
patent: 2997144 (1961-08-01), Gsching et al.
patent: 3068050 (1962-12-01), Pekrul
patent: 4061215 (1977-12-01), Ishikawa
patent: 4235320 (1980-11-01), Polak et al.
patent: 5231896 (1993-08-01), Kota

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