Patent ID: 9637196
Date: 2017-05-02
CPC Classifications: B60G,B62K,F16F

Claim:
1. A vehicle height adjustment apparatus comprising: a spring having one end supported at a side of a body of a vehicle and another end supported at a side of a wheel of the vehicle; an adjustor that comprises an accommodation chamber which accommodates liquid, and adjusts a length of the spring according to an amount of liquid in the accommodation chamber; a storage chamber that stores the liquid; a pump that comprises a cylinder and is configured to suction the liquid in the storage chamber into the cylinder when a relative distance between the body and the wheel increases, and discharge the liquid in the cylinder when the relative distance between the body and the wheel decreases; and a flow path switching unit that comprises a first communication path through which an inside of the cylinder communicates with the storage chamber; a second communication path through which the inside of the cylinder communicates with the accommodation chamber; and a third communication path through which the accommodation chamber communicates with the storage chamber, and switches a flow path of the liquid between the first communication path, the second communication path and the third communication path according to an amount of electric current supplied to the flow path switching unit.