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US 10,895,300 B2Granted
Air spring with several damping devices
AssigneeVibracoustic Cv Air Springs GmbH
InventorsStephan Dehlwes, Michael Weber
Life of this patent
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Abstract
An air spring for a motor vehicle or a driver's cab of a motor vehicle has a cover, a rolling piston and at least one air spring bellows. At least two damping devices are integrated into the air spring.
Claims11
An air spring for a motor vehicle or a driver's cab of a motor vehicle comprising:
- a cover,
- a rolling piston,
- at least one air spring bellows, and
- at least two damping devices integrated into the air spring, the at least two damping devices comprising a first damping device and a second damping device,
- wherein the first damping device has a first chamber with a variable volume, a second chamber whose volume remains constant, and a first damping channel device connecting the first and second chambers,
- wherein the second damping device has a third chamber with a variable volume, a fourth chamber with a variable volume, and a second damping channel device connecting the third and fourth chambers,
- wherein the rolling piston is formed from multiple parts and comprises a bottom part, a top part having a rolling contour, and a cover member, and
- wherein the second chamber and a cylindrical housing delimiting the third chamber and the fourth chamber are formed in the bottom part.
5 more elements
Dependencies are inferred from the claim text.