Axle pressure control system
First Claim
1. A load hauling vehicle including an automated auxiliary axle deployment control system for varying auxiliary axle support comprising:
- (a) a load hauling vehicle including a plurality of deployable fluid-operated auxiliary support axles;
(b) a plurality of load sensing devices placed at different locations and with respect to a plurality of axles on the vehicle for determining the total payload of the vehicle and distribution thereof, including the side-to-side payload distribution, in real-time, each load sensing device producing output signals indicative of the load supported at a location;
(c) a plurality of automatically operable pressure modulation valves, one for adjusting the force applied to a corresponding one of said auxiliary support axles to deploy and adjust the load carried thereby;
(d) signal processing system for receiving input signals from said load sensing devices and producing output control signals for operating said plurality of pressure modulation valves.
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Accused Products
Abstract
An automated auxiliary axle deployment control system for a load-hauling vehicle having a time-variable payload and one or more fluid-operated auxiliary support axles comprising one or more load sensing devices for determining the payload distribution of the vehicle in real-time. One or more automatically operable pressure modulation valves adjusts the pressure applied to the one or more auxiliary axles to adjust the load carrying capacity thereof based on payload distribution. A signal processing system receives input signals from the one or more load sensing devices and produces output control signals for operating the pressure modulation valve(s).
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Citations
18 Claims
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1. A load hauling vehicle including an automated auxiliary axle deployment control system for varying auxiliary axle support comprising:
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(a) a load hauling vehicle including a plurality of deployable fluid-operated auxiliary support axles;
(b) a plurality of load sensing devices placed at different locations and with respect to a plurality of axles on the vehicle for determining the total payload of the vehicle and distribution thereof, including the side-to-side payload distribution, in real-time, each load sensing device producing output signals indicative of the load supported at a location;
(c) a plurality of automatically operable pressure modulation valves, one for adjusting the force applied to a corresponding one of said auxiliary support axles to deploy and adjust the load carried thereby;
(d) signal processing system for receiving input signals from said load sensing devices and producing output control signals for operating said plurality of pressure modulation valves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An automated auxiliary axle system for a load-hauling vehicle selected from transit concrete mixing and refuse collecting vehicles having a time-variable payload comprising:
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(a) a plurality of fluid-operated auxiliary support axles including a tag axle and a pusher axle;
(b) a plurality of load sensing devices including a plurality of frame scales placed at different locations on the vehicle to monitor the total payload of the vehicle and the distribution thereof in real-time, including the side-to-side payload distribution, each load sensing device producing output signals indicative of the load supported at a location;
(c) a plurality of automatically operable pressure modulation valves, one for adjusting the force applied to deploy a respective one of said auxiliary support axles and to adjust the load carried thereby;
(d) signal processing system for receiving input signals from said load sensing devices and producing output control signals for operating said plurality of pressure modulation valves; and
(e) an output device located in the truck cab to prompt an operator to stow or lower each auxiliary axle. - View Dependent Claims (18)
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Specification