Spring devices – Vehicle – Comprising compressible fluid
Patent
1982-01-26
1983-08-16
Halvosa, George E. A.
Spring devices
Vehicle
Comprising compressible fluid
280DIG1, 280707, 338 32H, F16F 950
Patent
active
043987044
ABSTRACT:
Pneumatic suspension system for automotive application in which sprung and unsprung masses are supported by variable volume air spring units and incorporating compressor and exhaust valve devices for supplying an exhausting pressurized air from the units to adjust the height between the masses. A Hall effect device effective across a pressure boundary senses the position of a magnet movable within one of the air spring units and reflects relative movement of the sprung and unsprung masses to effect control of the supply and exhaust of air from the units. By axial movement of the Hall device, dead band width can be established to accommodate normal ride motions between sprung and unsprung components. By rotating the Hall device at any axial position, the vehicle bumper height can be selectively increased or decreased.
REFERENCES:
patent: 2361575 (1944-10-01), Thompson
patent: 3199630 (1965-08-01), Engel et al.
patent: 3524634 (1970-08-01), Schmidt
patent: 3582106 (1971-06-01), Keijzer
patent: 3752039 (1973-08-01), Hewins
patent: 4054295 (1977-10-01), Elliott
patent: 4310172 (1982-01-01), Claude et al.
Buchanan, Jr. Harry C.
Claude George T.
Cook Keith R.
Graham Donald E.
General Motors Corporation
Halvosa George E. A.
White Charles R.
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