B - Operations – Transporting – 60 – G
Patent
B - Operations, Transporting
60
G
B60G 17/00 (2006.01) B60G 17/033 (2006.01) B60G 17/04 (2006.01) B60G 17/056 (2006.01) B60G 21/073 (2006.01)
Patent
CA 2388464
A vehicle suspension system includes a fluid pump, a pair of suspension cylinders and a hydraulic control circuit for controlling pressurization of the suspension cylinders. Each suspension cylinder has a head end and a rod end. The control circuit includes a proportional rod pressure control valve 36 with a first pilot which is exposed to a pressure which is communicated to the head end of the suspension cylinder, and a second pilot which is exposed to pressure which is communicated to the rod end of the suspension cylinder. The rod pressure control valve controls pressure in the rod end of the suspension cylinder as a function of and proportional to the pressure in the head end of the suspension cylinder. A suspension damping valve controls communication between a chamber of the cylinder and an accumulator.
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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