초록 ▼

An air spring assembly which includes a main air chamber and an interconnected auxiliary air chamber in which there is disposed a piston movable endwise thereof upon actuation of a reversible electric motor to increase or to decrease the volume of the auxiliary air chamber that is open to the main a

An air spring assembly which includes a main air chamber and an interconnected auxiliary air chamber in which there is disposed a piston movable endwise thereof upon actuation of a reversible electric motor to increase or to decrease the volume of the auxiliary air chamber that is open to the main air chamber, thereby adjusting the effective volume of the main air chamber and thus its spring constant.

대표청구항 ▼

An air spring assembly comprising: a first base and a second base, said second base including a base plate and a shock absorber cylinder extending from said base plate; a rod connected at one end to said first base and extending into said shock absorber cylinder, said second base movable along said

An air spring assembly comprising: a first base and a second base, said second base including a base plate and a shock absorber cylinder extending from said base plate; a rod connected at one end to said first base and extending into said shock absorber cylinder, said second base movable along said rod toward and away from said first base; a damper piston fixed on said rod within said shock absorber cylinder; means interconnecting said first and second bases and providing a main air chamber therebetween, the volume of said main air chamber changeable in accordance with the movement of said second base toward and away from said first base; an auxiliary air chamber positioned adjacent to said main air chamber, said auxiliary air chamber having an opening to said main air chamber so as to provide substantially unrestricted passage of air between said auxiliary air chamber and said main air chamber, said auxiliary air chamber having a piston slidably mounted for axial movement therein to vary the volume of saidauxiliary air chamber open to said main air chamber to thereby vary the volume of said main air chamber; and movement means connected to said piston of said auxiliary air chamber for moving said piston of said auxiliary air chamber.