Air suspension

Details Air suspension Air suspension

1985-03-08

1986-10-14

Halvosa, George E. A.

Spring devices

Vehicle

Compound

280712, 280714, 267 8R, 267 6424, 267 6425, F16F 308

Patent

active

046168117

ABSTRACT:
An air suspension has the spring constant varied by controlling communication between a main air chamber and an auxiliary air chamber. The air suspension comprises a peripheral wall member defining a wall portion of the auxiliary air chamber and having a plurality of first and paths extending radially to open to the auxiliary air chamber, a tubular rubber member disposed inside the peripheral wall member and having a plurality of second air paths extending radially to communicate to the first air paths, a valve container disposed inside the rubber member and having a valve containing section, a plurality of third air paths extending from the valve containing section to an outer peripheral surface, and a fourth annular air path provided on the outer peripheral surface and communicating to the second and third air paths respectively, and a valve body disposed in the valve containing section of the valve container and having a fifth air path communicating to the main air chamber, and a plurality of sixth air paths extending from the fifth air path to an outer peripheral surface and being able to communicate to the third air paths. The number of the second air paths is smaller than that of the third air paths.

REFERENCES:
patent: 3046000 (1962-07-01), Polhemus et al.
patent: 4164274 (1979-08-01), Schupner
patent: 4234172 (1980-11-01), Takahashi
patent: 4502673 (1985-03-01), Clark
patent: 4534580 (1985-08-01), Kobayashi et al.

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