Air spring

Details Air spring Air spring

1985-09-17

1988-03-22

Yeung, James C.

Motors: expansible chamber type

With motive fluid valve

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

91443, 91454, 1371163, 1371165, 1376275, F15B 1110

Patent

active

047320770

ABSTRACT:
A pressure controller for an air spring having a gas-filled, variable interior space for spring action between relatively-vibrating bodies has interconnected intake and outlet valve stems for opposite valve action and an actuating piston responsive to the gas pressure in the variable interior space and an oppositely-acting compression spring for moving 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: 3420257 (1969-01-01), Lansky et al.
patent: 3460559 (1969-08-01), Pullen et al.
patent: 3545471 (1970-12-01), Taplin
patent: 3955590 (1976-05-01), Palm et al.

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