| 摘要 |
PURPOSE: Air suspension structure for a seat of a vehicle is provided to adjust the seat according to the body of a passenger by detecting the height of the seat from the turning angle of an X-link and adjusting the height based on the detected position. CONSTITUTION: An air suspension for a seat is composed of two guides(10) installed in a floor of a vehicle and the lower part of a cushion; an X-link(20) sliding between guides and adjusting the height; a turning angle detecting sensor(24) mounted at a hinge point of the X-link to detect the turning angle of a rotating shaft; an air spring installed in an upper frame of the seat; and a controller(40) receiving a signal from the detecting sensor and operating the air spring. The controller measures changes of motion based on the stop position of the air spring, and controls the operation of the air spring. The height of the seat is adjusted according to the body of the passenger with detecting the turning angle of the X-link.
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