Engine mount

An engine mount, comprising:

• a membrane including a central portion and an outer circumferential portion;
• upper and lower orifice brackets mounted between an insulator and a diaphragm to divide an interior of a main casing into an upper liquid chamber and a lower liquid chamber, the upper and lower orifice brackets defining a flow path that enables a fluid to flow between the upper and lower liquid chambers, and defining a receiving space in which the membrane is movable in a vertical direction;
• and
• an air chamber connected to a lower side of the lower orifice bracket and allowing a lower portion of the membrane to be exposed to air,
• wherein the membrane freely vibrates when a magnitude of a first input amplitude is generated, and
• wherein the fluid moves through the flow path when the membrane moves in the vertical direction and stops when a magnitude of a second input amplitude, which is greater than the magnitude of the first input amplitude, is generated.