Pneumatic system to fast fill trailer reservoirs

Details Pneumatic system to fast fill trailer reservoirs Pneumatic system to fast fill trailer reservoirs

1998-02-06

2000-05-16

Oberleitner, Robert J.

Fluid-pressure and analogous brake systems

Multiple fluid-receiving devices

Multiple motors

303 64, B60T 1300, B60T 1538

Patent

active

060626526

ABSTRACT:
An pneumatic system (10) for a tractor trailer truck (6) which increases compressed air flow to the trailer reservoir (52) whenever the tractor (7) is parked. This decreases the time it takes to charge the trailer reservoir (52) to a sufficient pressure to release the trailer brakes allowing the truck (6) to move. In normal over the road operation the trailer reservoir (52) is charged through a tractor protection control valve (14) which is mounted on the tractor dash. However when the tractor (7) is parked and a tractor park valve (12) which is mounted on the tractor dash is pulled out compressed air from the tractor secondary reservoir (42) is delivered with an increased flow rate to the trailer supply line (50). When the tractor park control valve (12) is pushed in releasing the tractor parking brake the trailer charging reverts back to charging through the dash mounted tractor protection control valve (14). Pulling the tractor protection control valve (14) out vents the trailer supply line (50) in both the fast and normal charge mode.

REFERENCES:
patent: 3892444 (1975-07-01), Durling
patent: 3909069 (1975-09-01), Durling
patent: 4076328 (1978-02-01), Horowitz
patent: 4472001 (1984-09-01), Fannin
patent: 4629256 (1986-12-01), Fannin
patent: 5226692 (1993-07-01), Eberling
patent: 5251967 (1993-10-01), Eberling
patent: 5322353 (1994-06-01), Wallestad
patent: 5340212 (1994-08-01), Latvala

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