Driver's cab suspension device with roll stabilizing means
First Claim
1. A suspension system for resilient and damping suspension of a cab of a motor vehicle relative to a vehicle chassis (1), the suspension system comprising:
- a spring/damper arrangement (4, 5),a hydraulic arrangement with first and second hydraulic cylinders (7, 8) being positioned on right and left sides of the suspension system, respectively, relative to a driving direction, and each of the first and the second hydraulic cylinders having a pair of upper and lower cylinder chambers (9, 10) on an upper side and on a lower side, respectively, of a piston of each of the first and the second hydraulic cylinders;
the upper cylinder chamber (9) of the first hydraulic cylinder (7) on the left side, above the piston, being fluidically connected in a cross-over manner to the lower cylinder chamber (10) of the second hydraulic (8) on the right side below the piston, andthe lower cylinder chamber (10) of the first hydraulic cylinders (7) on the left side, below the piston, being connected in a cross-over manner to the upper cylinder chamber (9) of second hydraulic cylinder (8) on the right side, above the piston, to form a hydraulic roll stabilizing device;
an upper cross-bridge (3) being arranged in a rear suspension area of the cab;
a lower cross-bridge (2), associated with the upper cross-bridge (3), being arranged on the chassis (1);
a horizontal stabilization arrangement having at least one component (6, 16 connecting the lower cross-bride (2) to the upper cross-bridge (3);
each of the horizontal stabilization arrangement, the spring/damper arrangement (4, 5) and the hydraulic arrangement being located vertically between the upper and the lower cross-bridges (2, 3);
the spring/damper arrangement (4, 5) and the hydraulic arrangement both being connected to both the upper and the lower cross-bridges (2, 3); and
each of the first and the second hydraulic cylinders being aligned at least substantially normal to a horizontal axis defined by the upper cross-bridge to enhance roll stabilization.
1 Assignment
0 Petitions
Accused Products
Abstract
A suspension system for the resilient/damped suspension of a driver'"'"'s cab of a motor vehicle relative to the vehicle chassis. The suspension system has a spring/damper arrangement and a hydraulic arrangement with hydraulic cylinders on the right and left sides, relative to the driving direction. The hydraulic cylinders are connected in a cross-over manner to form a roll stabilizing device. The suspension system has an upper cross-bridge that is arranged on the driver'"'"'s cab and a lower cross-bridge that is arranged on the vehicle chassis. The spring/damper arrangement and the hydraulic arrangement are positioned between and connected to the upper and lower cross-bridges.
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Citations
16 Claims
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1. A suspension system for resilient and damping suspension of a cab of a motor vehicle relative to a vehicle chassis (1), the suspension system comprising:
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a spring/damper arrangement (4, 5), a hydraulic arrangement with first and second hydraulic cylinders (7, 8) being positioned on right and left sides of the suspension system, respectively, relative to a driving direction, and each of the first and the second hydraulic cylinders having a pair of upper and lower cylinder chambers (9, 10) on an upper side and on a lower side, respectively, of a piston of each of the first and the second hydraulic cylinders; the upper cylinder chamber (9) of the first hydraulic cylinder (7) on the left side, above the piston, being fluidically connected in a cross-over manner to the lower cylinder chamber (10) of the second hydraulic (8) on the right side below the piston, and the lower cylinder chamber (10) of the first hydraulic cylinders (7) on the left side, below the piston, being connected in a cross-over manner to the upper cylinder chamber (9) of second hydraulic cylinder (8) on the right side, above the piston, to form a hydraulic roll stabilizing device; an upper cross-bridge (3) being arranged in a rear suspension area of the cab; a lower cross-bridge (2), associated with the upper cross-bridge (3), being arranged on the chassis (1); a horizontal stabilization arrangement having at least one component (6, 16 connecting the lower cross-bride (2) to the upper cross-bridge (3); each of the horizontal stabilization arrangement, the spring/damper arrangement (4, 5) and the hydraulic arrangement being located vertically between the upper and the lower cross-bridges (2, 3); the spring/damper arrangement (4, 5) and the hydraulic arrangement both being connected to both the upper and the lower cross-bridges (2, 3); and each of the first and the second hydraulic cylinders being aligned at least substantially normal to a horizontal axis defined by the upper cross-bridge to enhance roll stabilization. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A suspension system for resilient and damping suspension of a cab of a motor vehicle relative to a vehicle chassis, the suspension system comprising:
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a spring/damper arrangement; a hydraulic arrangement having; a right side hydraulic cylinder positioned on a right side of the suspension system relative to a driving direction of the motor vehicle; a left side hydraulic cylinder positioned on a left side of the suspension system relative to the driving direction of the motor vehicle; and each of the right side and the left side hydraulic cylinders comprising a piston located therein for separating upper and lower cylinder chambers from one another; a hydraulic roll stabilizing device having; a first pressure line by which the upper cylinder chamber of the right side hydraulic cylinder is in fluid communication, via the first pressure line, with the lower cylinder chamber of the left side hydraulic cylinder; and a second pressure line by which the upper cylinder chamber of the left side hydraulic cylinder is in fluid communication, via all the second pressure line, with the lower cylinder chamber of the right side hydraulic cylinder so that fluid can flow between the upper chamber of one hydraulic cylinder and the lower chamber of the other hydraulic cylinder; an upper cross-bridge being connected to and supporting the cab in a rear suspension area thereof and a lower cross-bridge being connected to the chassis; a horizontal stabilization arrangement having; at least one component connecting the lower cross-bridge to the upper cross-bridge, a first end of the horizontal stabilization arrangement being connected to the upper cross-bridge adjacent one of the left and the right side of the suspension system, the horizontal stabilization arrangement extending toward the other of the right and the left side of the suspension system, and a second end of the horizontal stabilization arrangement being, connected to the lower cross-bridge adjacent the other of the right and the left side of the suspension system; one end of the spring/damper arrangement being connected to the upper cross-bridge and an opposite end of the spring/damper arrangement being connected to the lower cross-bridge; one end of each of the right side and the left side hydraulic cylinders being connected to the upper cross-bridge and an opposite end of the respective one end of each of the right side and the left side hydraulic cylinders being connected to the lower cross-bridge; the spring/damper arrangement and the left and the right side hydraulic cylinders are arranged vertically relative to the driving direction of the vehicle; and the suspension system is reassembled as a complete module for connection to the rear of the vehicle chassis as a preassembled complete module. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification