| 摘要 |
<p>The image projection apparatus includes a light source lamp (1) including a discharge light emitting tube (41) and a reflector (42), the discharge light emitting tube including a light emitting portion (41A) disposed inside of the reflector and an electrode portion (41d) disposed outside of the reflector, a cooling fan (14), and a duct (156) configured to guide a cooling air flowed by operation of the cooling fan (14) toward the light source lamp (1). The duct (156) includes a first air guiding portion (Ap21) and a second air guiding portion (Ap22) that cause parts of the cooling air to respectively proceed toward a first area (41a) and a second area (41b) opposite to each other on an outer circumferential surface of the light emitting portion (41A), and a third air guiding portion (Ap23) that causes another part of the cooling air to proceed toward the electrode portion (41d).</p> |
