Automatic tractor-trailer exhaust coupling apparatus

Details Automatic tractor-trailer exhaust coupling apparatus Automatic tractor-trailer exhaust coupling apparatus

1990-04-25

1991-09-03

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

2804251, B60D 162, B60D 5308

Patent

active

050446533

ABSTRACT:
An automatic tractor-trailer exhaust coupling apparatus has a valve for diverting exhaust gases through a connecting conduit to a tractor coupling device. The tractor coupling device delivers the gases, irrespective of angular relationship between tractor and trailer, to a trailer coupling device which in turn passes the gases to the trailer heat transfer means. The tractor and trailer coupling devices automatically connect on engagement of the trailer fifth wheel with the trailer.

REFERENCES:
patent: 2118884 (1938-05-01), Fuchs
patent: 3134628 (1964-05-01), Lachey et al.
patent: 4719372 (1973-03-01), Rawlings
patent: 4751873 (1988-06-01), Johnston

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