Automatic air suspension control system for vehicle loading
OwnerCharles E. Eberling, Gerald E. Rychlikinventors
Life of this patent
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Abstract
An automatic air suspension control system for a tractor trailer includes a system for allowing suspension air pressure to be dumped for the suspension system during a necessary and required loading/unloading of the tractor trailer. The control system includes a transmission device and an receiving device for activating a valve for exhausting the air pressure from a suspension unit.
Claims11
An automatic air suspension control system on a vehicle comprising:
- an air tank for storing air pressure;
- an air bag for holding air pressure connected to said air tank;
- a pressure protection valve connected to said air tank for filling air pressure from said air tank to said air bag;
- a height control valve connected to said pressure protection valve for controlling the amount of air pressure that fills said air bag;
- a latching solenoid between said height control valve and said air bag.
A method for releasing air pressure from air bags on a tractor trailer comprising the steps of:
- placing said truck in reverse gear;
- transmitting a signal from a programmable logic controller;
- receiving said signal by an electronic control unit;
- and
- releasing air pressure from said air bags.
A method of releasing air pressure from suspension air bags on a tractor trailer comprising the steps of:
- driving a tractor trailer through a gate with a transmission device;
- receiving a signal from said transmission device;
- and
- activating a valve to exhaust air pressure from suspension air bags.
Dependencies are inferred from the claim text.