Patent ID: 7950811

Claim:
A projection display device comprising: a housing; a fan disposed within said housing, said fan having a vane portion, and a fan case accommodating said vane portion so as to be rotatable; and multiple vibration-proofing members having at least one of elasticity and viscosity, said vibration-proofing members being disposed at multiple positions in the circumferential direction of the perimeter face portion of said fan case surrounding said vane portion around the rotational axis of said vane portion, such that said vibration-proofing members are introduced between said housing and said fan case, in which at least one of the multiple vibration-proofing members includes a suction side protrusion, an exhaust side protrusion, and a recess portion arranged between the suction side protrusion and the exhaust side protrusion, said suction side protrusion extending in a first direction parallel to a rotational axis direction of the vane portion and said exhaust side protrusion extending in a direction opposite to the first direction.