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    • 1. 发明申请
    • Porous sound absorbing structure
    • 多孔吸音结构
    • US20100175949A1
    • 2010-07-15
    • US12659654
    • 2010-03-16
    • Zenzo YamaguchiToshimitsu TanakaIchiro YamagiwaHiroki UedaMitsuo Hino
    • Zenzo YamaguchiToshimitsu TanakaIchiro YamagiwaHiroki UedaMitsuo Hino
    • E04B1/82
    • G10K11/172
    • A porous sound absorbing structure 10 includes an exterior plate 1 and a closing plate 2 in order to suppress a decrease in sound absorbing performance in a wide frequency band. An interior plate 3 is arranged between the exterior plate 1 and the closing plate 2, and air layers 4 and 5 are located between the exterior plate 1 and the interior plate 3 and between the interior plate 3 and the closing plate 2 respectively. The exterior plate 1, the interior plate 3, and the closing plate 2 are arranged while opposed to each other. Many through holes 1a and 3a are made in the exterior plate 1 and the closing plate 2 respectively. In the interior plate 3, a plate thickness t2 and a diameter φ2 and an aperture ratio β2 are set so as to generate an viscous effect in air passing through the through hole 3a. The aperture ratio β1 of the through hole 1a in the exterior plate 1 is set more than 3% and not more than 50%.
    • 多孔吸音结构10包括外板1和封闭板2,以便抑制在宽频带中的吸音性能的降低。 内板3设置在外板1和封闭板2之间,空气层4和5分别位于外板1和内板3之间以及内板3和封闭板2之间。 外板1,内板3和封闭板2彼此相对设置。 在外板1和封闭板2上分别形成有多个通孔1a,3a。 在内板3中,设置板厚度t2和直径φ2以及开口率bgr2,以便在通过通孔3a的空气中产生粘性效果。 外板1中的通孔1a的开口率&bgr1设定为3%以上且50%以下。
    • 2. 发明申请
    • Porous Sound Absorbing Structure
    • 多孔吸音结构
    • US20070272482A1
    • 2007-11-29
    • US11578666
    • 2005-04-15
    • Zenzo YamaguchiToshimitsu TanakaIchiro YamagiwaHiroki UedaMitsuo Hino
    • Zenzo YamaguchiToshimitsu TanakaIchiro YamagiwaHiroki UedaMitsuo Hino
    • E04B1/82
    • G10K11/172
    • A porous sound absorbing structure 10 includes an exterior plate 1 and a closing plate 2 in order to suppress a decrease in sound absorbing performance in a wide frequency band. An interior plate 3 is arranged between the exterior plate 1 and the closing plate 2, and air layers 4 and 5 are located between the exterior plate 1 and the interior plate 3 and between the interior plate 3 and the closing plate 2 respectively. The exterior plate 1, the interior plate 3, and the closing plate 2 are arranged while opposed to each other. Many through holes 1a and 3a are made in the exterior plate 1 and the closing plate 2 respectively. In the interior plate 3, a plate thickness t2 and a diameter φ2 and an aperture ratio β2 are set so as to generate an viscous effect in air passing through the through hole 3a. The aperture ratio β1 of the through hole 1a in the exterior plate 1 is set more than 3% and not more than 50%.
    • 多孔吸音结构10包括外板1和封闭板2,以便抑制在宽频带中的吸音性能的降低。 内板3设置在外板1和封闭板2之间,空气层4和5分别位于外板1和内板3之间以及内板3和封闭板2之间。 外板1,内板3和封闭板2彼此相对设置。 分别在外板1和封闭板2上形成许多通孔1a和3a。 在内板3中,设定板厚t 2,直径φ2和开口率β2,以便在通过通孔3a的空气中产生粘性效果。 外板1中的通孔1a的孔径比β1设定为3%以上且50%以下。
    • 7. 发明授权
    • Grain cleaning machine
    • 谷物清洗机
    • US5076156A
    • 1991-12-31
    • US588439
    • 1990-09-26
    • Tatsuo OhikeMitsuo HinoShigeaki Yamahara
    • Tatsuo OhikeMitsuo HinoShigeaki Yamahara
    • B02B3/04
    • B02B3/04
    • A grain cleaning machine comprising a cleaning chamber including a cleaning roll for cleaning uncleaned grain white, a screw conveyor for feeding the uncleaned grain into the cleaning chamber, a discharge adjusting device disposed in a grain outflow region of the cleaning chamber, and a torque sensor for detecting an internal load of the cleaning chamber. The discharge adjusting device is spring-loaded in a direction to stop outflow of white grain from the cleaning chamber, and is movable against the spring load in a direction to enhance outflow of the white grain. The discharge adjusting device is controllable on the basis of torque detection by the torque sensor to maintain the internal load of the cleaning chamber in a predetermined value.
    • 一种谷物清洗机,包括一个清洁室,该清洗室包括一个用于清洁未清洁颗粒白色的清洁辊,一个用于将未清洁颗粒送入清洁室的螺旋输送机,设置在清洗室的谷粒流出区域中的排出调节装置,以及扭矩传感器 用于检测清洁室的内部负载。 排出调节装置沿着防止白色颗粒从清洁室流出的方向被弹簧加载,并且可以在增加白色颗粒的流出的方向上抵抗弹簧载荷移动。 排出调节装置可以基于扭矩传感器的转矩检测来控制,以将清洁室的内部负荷保持在预定值。