Spring devices – Vehicle – Comprising compressible fluid
Patent
1986-07-14
1987-12-15
Kashnikow, Andres
Spring devices
Vehicle
Comprising compressible fluid
18832212, 267 6424, F16F 904
Patent
active
047127767
ABSTRACT:
A suspension system for a vehicle having a shock absorber strut with a reciprocal piston rod located within a cylinder, and attachments for securing the piston rod and cylinder to spaced parts of the vehicle. An air spring includes a rigid annular canister mounted on the piston rod by a resilient rotatable mount. The canister forms a fluid pressure chamber in conjunction with a flexible diaphragm, one end of which is sealingly connected to the cylinder by an annular rigid sleeve which forms an air spring piston. The flexible diaphragm has inner and outer radially spaced portions connected by a rolling portion. A rigid member resembling a cutaway can is mounted on the rigid canister portion of the air spring and extends about a predetermined portion of the outer portion of the flexible diaphragm and restrains outward expansion of said portion. Restriction of the outward expansion of only a portion of the flexible diaphragm exerts a lateral force on the strut to counteract the unbalanced lateral forces acting thereon due to the offcenter mounting of the strut with respect to the point of contact of the vehicle wheel with the pavement.
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Geno Wayne H.
Weitzenhof David A.
Brietkrenz Ronald
Kashnikow Andres
The Firestone Tire & Rubber & Company
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