公开(公告)号：US08757811B2

公开(公告)日：2014-06-24

申请号：US13074355

申请日：2011-03-29

申请人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

发明人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

IPC分类号： G03B21/18

CPC分类号： G03B21/18 ,  G03B21/16

摘要： A projector includes a plurality of light modulation devices and a cooling device. The cooling device includes a cooling fan configured to introduce and discharge air, and a duct configured to guide air received from the cooling fan toward the plural light modulation devices. The duct includes a first duct portion configured to allow the air to flow through the light modulation devices from sides of the light modulation devices, and a second duct portion which communicates with the first duct portion and guides a part of the air flowing through the first duct portion toward devices other than the light modulation devices.

摘要翻译： 投影仪包括多个调光装置和冷却装置。 该冷却装置具备：空气导入排出的冷却风扇，以及将从冷却风扇接收的空气向多个调光装置引导的管道。 管道包括第一管道部分，其被配置为允许空气从光调制装置的侧面流过光调制装置;以及第二管道部分，其与第一管道部分连通并且引导流过第一管道部分的空气的一部分 导管部分朝向除了光调制装置之外的装置。

公开(公告)号：US20110234992A1

公开(公告)日：2011-09-29

申请号：US13072045

申请日：2011-03-25

申请人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

发明人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

IPC分类号： G03B21/16

CPC分类号： G03B21/16

摘要： A projector includes: an optical modulation device configured to modulate an incident luminous flux; a projection optical device configured to project the luminous flux modulated by the optical modulation device; and a cooling device configured to cool the optical modulation device, wherein the cooling device includes a cooling fan, and a duct having a discharge portion that causes the air discharged from the cooling fan to circulate in a direction approximately parallel to the optical axis, and discharges it to a lateral side of the optical modulation device, and the duct is disposed in a state that, when the projection optical device and discharge portion are cut by a plane perpendicular to the optical axis, the height position of a first center between the upper end and lower end of the cross-section of the discharge portion and that of the optical axis differ from one another.

摘要翻译： 投影机包括：配置成调制入射光通量的光调制装置; 投影光学装置，被配置为投影由所述光调制装置调制的光束; 以及冷却装置，其被配置为冷却所述光调制装置，其中，所述冷却装置包括冷却风扇和具有排出部的管道，所述排出部使得从所述冷却风扇排出的空气在大致平行于所述光轴的方向上循环， 将其放电到光调制装置的侧面，并且将导管设置在这样的状态，即当投影光学装置和放电部分被垂直于光轴的平面切割时，第一中心的高度位置 排出部分的横截面的上端和下端与光轴的横截面的上端和下端彼此不同。

公开(公告)号：US08540374B2

公开(公告)日：2013-09-24

申请号：US13072045

申请日：2011-03-25

申请人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

发明人： Akira Egawa ,  Yasushi Tateno ,  Fumihide Sasaki

IPC分类号： G03B21/16

CPC分类号： G03B21/16

摘要： A projector includes: an optical modulation device configured to modulate an incident luminous flux; a projection optical device configured to project the luminous flux modulated by the optical modulation device; and a cooling device configured to cool the optical modulation device, wherein the cooling device includes a cooling fan, and a duct having a discharge portion that causes the air discharged from the cooling fan to circulate in a direction approximately parallel to the optical axis, and discharges it to a lateral side of the optical modulation device, and the duct is disposed in a state that, when the projection optical device and discharge portion are cut by a plane perpendicular to the optical axis, the height position of a first center between the upper end and lower end of the cross-section of the discharge portion and that of the optical axis differ from one another.

摘要翻译： 投影机包括：配置成调制入射光通量的光调制装置; 投影光学装置，被配置为投影由所述光调制装置调制的光束; 以及冷却装置，其被配置为冷却所述光调制装置，其中，所述冷却装置包括冷却风扇和具有排出部的管道，所述排出部使得从所述冷却风扇排出的空气在大致平行于所述光轴的方向上循环， 将其放电到光调制装置的侧面，并且将导管设置在这样的状态，即当投影光学装置和放电部分被垂直于光轴的平面切割时，第一中心的高度位置 排出部分的横截面的上端和下端与光轴的横截面的上端和下端彼此不同。

公开(公告)号：US08308303B2

公开(公告)日：2012-11-13

申请号：US12844952

申请日：2010-07-28

申请人： Kunihiko Takagi ,  Kaname Nagatani ,  Akira Egawa ,  Tetsuo Shimizu ,  Joji Karasawa ,  Fumihide Sasaki

发明人： Kunihiko Takagi ,  Kaname Nagatani ,  Akira Egawa ,  Tetsuo Shimizu ,  Joji Karasawa ,  Fumihide Sasaki

IPC分类号： G03B21/16

CPC分类号： G03B21/16

摘要： A projector includes: spatial light modulation devices; and a cooling duct configured to flow a cooling air for sequentially cooling the spatial light modulation devices, the cooling duct has a first flow path formed by portions including the light entrance surface of at least one of the spatial light modulation devices for the respective color lights, a second flow path formed by portions including the light exit surface of the corresponding spatial light modulation device, and a junction area where the cooling air flowing through the first flow path and the cooling air flowing through the second flow path join each other, and the junction area is disposed at a downstream position of the cooling air with respect to the spatial light modulation device provided for a predetermined color light whose light amount is the maximum in the respective color lights that enter the light entrance surface.

摘要翻译： 投影机包括：空间光调制装置; 以及冷却管道，其构造成使冷却空气流动以顺序地冷却空间光调制装置，所述冷却管道具有由包括用于各个颜色的光的至少一个空间光调制装置的光入射面的部分形成的第一流路 由包括相应的空间光调制装置的光出射表面的部分形成的第二流路和流过第一流路的冷却空气和流经第二流路的冷却空气相互结合的接合区域，以及 接合区域相对于为进入光入射面的各色光中的光量最大的预定色光设置的空间光调制装置设置在冷却空气的下游位置。

公开(公告)号：US20110025984A1

公开(公告)日：2011-02-03

申请号：US12844952

申请日：2010-07-28

申请人： Kunihiko Takagi ,  Kaname Nagatani ,  Akira Egawa ,  Tetsuo Shimizu ,  Joji Karasawa ,  Fumihide Sasaki

发明人： Kunihiko Takagi ,  Kaname Nagatani ,  Akira Egawa ,  Tetsuo Shimizu ,  Joji Karasawa ,  Fumihide Sasaki

IPC分类号： G03B21/16

CPC分类号： G03B21/16

摘要： A projector includes: spatial light modulation devices; and a cooling duct configured to flow a cooling air for sequentially cooling the spatial light modulation devices, the cooling duct has a first flow path formed by portions including the light entrance surface of at least one of the spatial light modulation devices for the respective color lights, a second flow path formed by portions including the light exit surface of the corresponding spatial light modulation device, and a junction area where the cooling air flowing through the first flow path and the cooling air flowing through the second flow path join each other, and the junction area is disposed at a downstream position of the cooling air with respect to the spatial light modulation device provided for a predetermined color light whose light amount is the maximum in the respective color lights that enter the light entrance surface.

摘要翻译： 投影机包括：空间光调制装置; 以及冷却管道，其构造成使冷却空气流动以顺序地冷却空间光调制装置，所述冷却管道具有由包括用于各个颜色的光的至少一个空间光调制装置的光入射面的部分形成的第一流路 由包括相应的空间光调制装置的光出射表面的部分形成的第二流路和流过第一流路的冷却空气和流经第二流路的冷却空气相互结合的接合区域，以及 接合区域相对于为进入光入射面的各色光中的光量最大的预定色光设置的空间光调制装置设置在冷却空气的下游位置。

公开(公告)号：US20100188645A1

公开(公告)日：2010-07-29

申请号：US12693806

申请日：2010-01-26

申请人： Fumihide Sasaki ,  Kazuyuki Iinuma ,  Hiroshi Abe

发明人： Fumihide Sasaki ,  Kazuyuki Iinuma ,  Hiroshi Abe

IPC分类号： G02B7/02 ,  G03B21/14

CPC分类号： G03B21/14 ,  G02B7/026 ,  G02B13/16 ,  G03B21/142

摘要： A lens frame configured to hold a lens of an optical system of a projector comprising: a holder being formed along the periphery of the lens, holds the lens which is inserted by an elastic force of the frame main body, the holder includes a first holding portion configured to hold a peripheral end surface of the lens, and a second holding portion configured to hold a luminous flux incidence surface and luminous flux exit surface of the lens.

摘要翻译： 一种被配置为保持投影仪的光学系统的透镜的透镜框，包括：沿着透镜的周边形成的保持器，保持通过框架主体的弹力插入的透镜，保持器包括第一保持 被配置为保持透镜的周边端面的部分和被配置为保持透镜的光束入射面和光束出射面的第二保持部。

公开(公告)号：US07922335B2

公开(公告)日：2011-04-12

申请号：US12075887

申请日：2008-03-15

申请人： Yohei Sakai ,  Akira Hashimoto ,  Fumihide Sasaki

发明人： Yohei Sakai ,  Akira Hashimoto ,  Fumihide Sasaki

IPC分类号： F21V29/00

CPC分类号： G03B21/16 ,  H04N9/3144

摘要： A projector includes: a light source lamp; and a cooling device that cools the light source lamp and includes a plurality of cooling fans to deliver air toward the light source lamp. Airflow directions in which the plurality of cooling fans deliver the air toward the light source lamp are different from each other.

摘要翻译： 投影仪包括：光源灯; 以及冷却装置，其冷却所述光源灯，并且包括多个冷却风扇，以向所述光源灯输送空气。 多个冷却风扇将空气朝向光源灯输送的气流方向彼此不同。

公开(公告)号：USD584328S1

公开(公告)日：2009-01-06

申请号：US29304700

申请日：2008-03-06

申请人： Fumihide Sasaki

设计人： Fumihide Sasaki

公开(公告)号：US09116420B2

公开(公告)日：2015-08-25

申请号：US13602680

申请日：2012-09-04

申请人： Daigo Yamano ,  Fumihide Sasaki

发明人： Daigo Yamano ,  Fumihide Sasaki

IPC分类号： G03B21/16 ,  F04D29/42 ,  F04D29/70

CPC分类号： G03B21/16 ,  F04D29/4213 ,  F04D29/4226 ,  F04D29/703

摘要： A centrifugal fan introducing air via an inlet port in a direction of a rotation axis and discharging the air via an outlet port in the a direction of a centrifugal force produced by rotation includes: an impeller having a plurality of vanes around the rotation axis; and a housing including the inlet port and supporting the impeller such that the impeller is allowed to freely rotate in the housing. An inclined portion is formed at least at a part of edge portion of the inlet port, the inclined portion widening to the side that the impeller is disposed.

摘要翻译： 离心风扇经由入口沿旋转轴线方向引入空气并经由出口沿着由旋转产生的离心力的方向排出空气，包括：具有围绕旋转轴线的多个叶片的叶轮; 以及包括所述入口并支撑所述叶轮的壳体，使得允许所述叶轮在所述壳体中自由旋转。 至少在入口的边缘部分的一部分处形成倾斜部分，倾斜部分向叶片设置的一侧变宽。

公开(公告)号：US08967813B2

公开(公告)日：2015-03-03

申请号：US12693806

申请日：2010-01-26

申请人： Fumihide Sasaki ,  Kazuyuki Iinuma ,  Hiroshi Abe

发明人： Fumihide Sasaki ,  Kazuyuki Iinuma ,  Hiroshi Abe

IPC分类号： G03B21/14 ,  G02B7/02 ,  G02B13/16

CPC分类号： G03B21/14 ,  G02B7/026 ,  G02B13/16 ,  G03B21/142

摘要： A lens frame configured to hold a lens of an optical system of a projector comprising: a holder being formed along the periphery of the lens, holds the lens which is inserted by an elastic force of the frame main body, the holder includes a first holding portion configured to hold a peripheral end surface of the lens, and a second holding portion configured to hold a luminous flux incidence surface and luminous flux exit surface of the lens.

摘要翻译： 一种被配置为保持投影仪的光学系统的透镜的透镜框，包括：沿着透镜的周边形成的保持器，保持通过框架主体的弹力插入的透镜，保持器包括第一保持 被配置为保持透镜的周边端面的部分和被配置为保持透镜的光束入射面和光束出射面的第二保持部。