Patent Number: 6,308,963

Title: Levelling valve actuating apparatus

Abstract: A levelling valve actuating apparatus is provided for converting a linear displacement resulting from a vehicular height change into a rotational displacement and controlling operation of a levelling valve, the apparatus positioned between a wheel-side suspension and the levelling valve, the valve being supplied with operating air from an air source and the air supply to an air spring adjusted by means of actuation of a rotary plate for intermittently interrupting a hydraulic fluid passage within the valve body, comprising a lever for adjusting vehicle height one end of which is connected to the rotating plate of the levelling valve outside of the valve body, a connecting slot being formed at an opposite end of the lever in a longitudinal direction, a rack being formed on the inside of the connecting slot along the longitudinal direction; a rod for adjusting vehicular height having an arcuate external shape, an end of the rod being mounted on a side of the suspension through a ball joint, an arcuate slot being formed along a central portion of the rod; and a variable connection means for adjusting connection positions between the rod and the lever depending upon road conditions, wherein the connection passes through the connecting slot and the arcuate slot.

Inventors: Lee; Gi-Ho (Suwon, KR)

Assignee: Hyundai Motor Company

International Classification: B60G 17/04 (20060101); B60G 17/052 (20060101); B60G 017/00 ()

Expiration Date: 10/30/2018