G - Physics – 05 – D
Patent
G - Physics
05
D
G05D 1/00 (2006.01) A01D 75/00 (2006.01)
Patent
CA 2482261
An automatic steering kit comprises a microprocessor connectable to a global positioning system and operative to compare the sensed location with a desired vehicle path. A controlled pressure reducing valve provides hydraulic fluid at a reduced pressure less than the vehicle hydraulic supply pressure. Low pressure conduits are connected to the reducing valve and steering conduits. In response to an automatic steering signal generated by the microprocessor, the reducing valve directs hydraulic fluid at the reduced pressure through the low pressure conduits to extend and retract the hydraulic steering cylinder to automatically steer the vehicle. The difference between the reduced pressure and the supply pressure is such that turning the steering wheel will steer the vehicle against the automatic steering force applied through the low pressure conduits. A gyroscope is added to provide improved vehicle steering.
Accutrak Systems Limited
Macpherson Leslie & Tyerman Llp
LandOfFree
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