Spring devices – Vehicle – Comprising compressible fluid
Patent
1990-08-21
1992-03-24
Halvosa, George E. A.
Spring devices
Vehicle
Comprising compressible fluid
92166, 92167, 18832217, 267119, 267122, 267130, 277 30, 277 58, 277165, 384 16, 384 38, F16F 904
Patent
active
050980718
ABSTRACT:
A compressed gas and a liquid are contained in a cylinder. A liquid chamber containing the liquid and a gas chamber containing the gas are divided by a metallic bellows. The liquid chamber is situated on the side of an open end of the cylinder. A rod is inserted in the cylinder. A sealing assembly is provided at the open end of the cylinder. The sealing assembly has a bearing member at only one portion of the cylinder with respect to the axial direction thereof. A space extends throughout the circumference between the outer peripheral surface of the inner end of the rod and the inner peripheral surface of the cylinder. A seal device for sealing the liquid in the liquid chamber includes a seal ring intimately in contact with the outer peripheral surface of the rod and an elastomer ring provided on the outer peripheral surface side of the seal ring and capable of elastic deformation in the radial direction of the rod. The rod can swing within the range of an angle .theta. to the axis of the cylinder around the bearing member. The elastomer ring is deformed as the rod swings.
REFERENCES:
patent: 3180634 (1965-04-01), Heiser
patent: 3202411 (1965-08-01), Heiser
patent: 3346272 (1967-10-01), Smith
patent: 3366425 (1968-01-01), Genz
patent: 3387856 (1968-06-01), Guilhamat et al.
patent: 3549154 (1970-12-01), Jones
patent: 4583722 (1986-04-01), Wallis
patent: 4664362 (1987-05-01), Hennells
patent: 4709932 (1987-12-01), Edlund et al.
patent: 4921227 (1990-05-01), Fukumura et al.
Halvosa George E. A.
NHK Spring Co. Ltd.
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