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    • 5. 发明授权
    • Suction muffler in reciprocating compressor
    • 吸入消声器在往复式压缩机
    • US06691823B2
    • 2004-02-17
    • US10191074
    • 2002-07-10
    • In Won LeeKwang Hyup AnJeong Ho LeeIn Seop Lee
    • In Won LeeKwang Hyup AnJeong Ho LeeIn Seop Lee
    • G10K1100
    • F04C29/068F04B39/0061F04C29/065
    • A suction muffler in a reciprocating compressor is installed over a suction valve to attenuate complex sound pressure (noise) such as vibrational noise, valve sonance, flowing noise and pulsative noise produced from the suction valve when low temperature, low pressure refrigerant gas ejected from an evaporator is sucked into a cylinder via the suction valve and a suction portion of the cylinder. A Tesla valve having two distribution paths is mounted in the suction muffler to attenuate the complex sound pressure (noise) while preventing the reflow of the refrigerant gas into the suction muffler from the suction valve. As a result, the Tesla valve also enhances the cooling ability of the compressor and the attenuation effect.
    • 往复式压缩机中的吸入式消声器安装在吸入阀上,以当从低压低压制冷剂气体喷出的低温,低压制冷剂气体时,减少由吸入阀产生的振动噪声,阀门振动,流动噪声和脉动噪声等复杂的声压(噪声) 蒸发器通过吸入阀和气缸的抽吸部分被吸入气缸。 具有两个分配路径的特斯拉阀安装在吸入消声器中,以便在阻止从吸入阀进入吸入消声器的制冷剂气体回流的同时衰减复合声压(噪声)。 因此,特斯拉阀门还增强了压缩机的冷却能力和衰减效果。
    • 7. 发明授权
    • Acoustic window
    • 声窗
    • US06831876B1
    • 2004-12-14
    • US10616179
    • 2003-07-09
    • Craig L. Cartwright
    • Craig L. Cartwright
    • G10K1100
    • G10K11/02Y10S181/402
    • An improved acoustic window for an acoustic waveform passage having a generally uniform transmission loss at an angle of incidence of between −40° and +40°. The composition is formed from at least one core layer and at least two septa, with the core layer being a material having a generally low-acoustic-impedance, a static shear modulus between about 1.0 psi (0.007 MPa) and about 15,000 psi (103 MPa), a transverse (or through-thickness) sound velocity for the acoustic waveform of between about 700 and about 2200 meters per second, a transverse acoustic impedance of less than or equal to 4×106 kilograms per square meter-second, and a shear loss factor of greater than 0.02, the septa being composed of at least one ply of a material, preferably a graphite fiber reinforced epoxy composition, having a transverse acoustic impedance of less than 60×106 kg/m2-sec, a tensile modulus of more than 0.5×106 psi, a thickness of less than 0.10 &lgr;, and each and being bonded to said core to form a sandwich with said core layer, and the window preferably has a thickness of less than 1.0 &lgr;w and the acoustic waveform has a &lgr; of at least 0.001 meter and less than 3 meters.
    • 用于声波形通道的改进的声窗,其入射角在-40°和+ 40°之间具有大致均匀的传输损耗。 该组合物由至少一个芯层和至少两个隔片形成,芯层是具有通常低声阻抗的静态剪切模量,约1.0psi(0.007MPa)至约15,000psi(103 声学波形的横向(或贯穿厚度)声速在约700至约2200米/秒之间,横向声阻抗小于或等于4×10 6千克/平方米秒,以及 剪切损耗因子大于0.02,隔片由材料,优选石墨纤维增强环氧组合物的至少一层组成,横向声阻抗小于60×10 6 kg / m 2sec ,大于0.5×10 6 psi的拉伸模量,小于0.10λ的厚度,并且各自并且结合到所述芯以形成具有所述芯层的夹心物,并且所述窗口优选具有小于1.0的厚度 羔羊和声波至少有一个λ 0.001米不到3米。
    • 10. 发明授权
    • Acoustic resistor for hearing improvement and audiometric applications, and method of making same
    • 用于听力改善和听力测量应用的声阻器及其制造方法
    • US06830876B2
    • 2004-12-14
    • US10705082
    • 2003-11-10
    • Mead C. KillionAndrew J. Haapapuro
    • Mead C. KillionAndrew J. Haapapuro
    • G10K1100
    • H04R25/48G10K11/16
    • An acoustic resistor or damper and method of manufacturing the same is disclosed. The damper has mesh material and mounting material attached to the mesh material. The mounting material defines an open region for transmission of sound through the mesh material, and has a mounting surface for mounting the damper on a surface surrounding an acoustic port or tube. The mounting surface is located on a plane different from the mesh material, thereby shielding the mesh material from adhesive applied between the mounting surface and the surface surrounding the acoustic port or tube. The method of manufacturing an acoustic damper comprises exposing emulsion applied to a mesh material through at least one opening in a photographic mask to ultraviolet light and removing the emulsion exposed. A portion of the remaining emulsion and mesh material is cut in a shape surrounding the removed emulsion.
    • 公开了一种声阻抗器或阻尼器及其制造方法。 阻尼器具有连接到网状材料上的网状材料和安装材料。 安装材料限定用于通过网状材料传播声音的开放区域,并且具有用于将阻尼器安装在围绕声学端口或管子的表面上的安装表面。 安装表面位于与网状材料不同的平面上,从而屏蔽网状材料与施加在安装表面和围绕声学端口或管子的表面之间的粘合剂。 制造声阻尼器的方法包括将通过照相掩模中的至少一个开口施加到网状材料上的乳剂暴露于紫外线并除去暴露的乳液。 将剩余的乳液和网状材料的一部分切割成围绕除去的乳液的形状。