Leveling valve with height limit

Details Leveling valve with height limit Leveling valve with height limit

1985-12-13

1987-06-16

Butler, Douglas C.

Spring devices

Vehicle

Comprising compressible fluid

280714, 280DIG1, B60G 1704, F16F 500

Patent

active

046731725

ABSTRACT:
The leveling valve for air-suspended vehicles is equipped with an intake valve (7,11) located between a connection (2) for a compressed air source and a connection (30) for a switching load valve (32), a discharge valve (7, 25) located between the connection (30) for the switching load valve (32) and a connection to atmosphere. It further comprises a control handle (29) which is turnable dependent on the distance between the vehicle frame and the corresponding vehicle axle and a non-return valve (35) which can also be controlled by the control handle (29) which is placed in series with and ahead of the air suspension bellows (40) and which interrupts further supply of compressed air to the air suspension bellows (40) in the Raise position of the switching load valve (32). The axis of the non-return valve (35) is provided in alignment with the axis of the leveling valve on the other side of the axis of the control handle (29). Both connections (37, 38) to the non-return valve (35) are arranged radially to the axis of the non-return valve. The valve body (56) or the seat (43) of the non-return valve are sealingly guided through the housing (36) and are located so that they can be axially adjusted and set.

REFERENCES:
patent: 3145032 (1964-08-01), Turek
patent: 3183935 (1965-05-01), Davies et al.
patent: 3209784 (1965-10-01), Schwartz
patent: 3635460 (1972-01-01), Shilton et al.
patent: 3933368 (1976-01-01), Kellett

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