Air spring

Details Air spring Air spring

1985-09-17

1987-01-06

Yeung, James C.

Motors: expansible chamber type

With motive fluid valve

Both inlet and exhaust controlled by motive fluid pressure...

91443, 91454, 1371163, 1371165, F15B 1110

Patent

active

046337610

ABSTRACT:
A pressure controller for an air spring having a gas-filled, variable interior space for spring action between relatively-vibrating bodies has intake and outlet valve stems for opposite valve action and an first actuating piston responsive to the gas pressure in the variable interior space for moving at least one of the valve stems. High pressure in the variable interior space opens the outlet valve to vent the variable interior space to the atmosphere and low pressure in the variable interior space opens the inlet valve to supply compressed gas to the variable interior space from a reservoir.

REFERENCES:
patent: 2940462 (1960-06-01), Johanson
patent: 2984251 (1961-05-01), Quinby
patent: 3298384 (1967-01-01), Payne
patent: 4194522 (1980-03-01), Lucas et al.
patent: 4195552 (1980-04-01), Neff
patent: 4432385 (1984-02-01), Legris

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