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1. 发明申请

US20180355870A1 EXPANSION CHAMBER FOR A BRAKE BOOST VACUUM PUMP 审中-公开
公开(公告)号：US20180355870A1
公开(公告)日：2018-12-13
申请号：US15981386
申请日：2018-05-16
申请人： HELLA GmbH & Co. KGaA
发明人： Harish Chowdhary Athipatla , Archie Villareal Gonzalez
IPC分类号： F04C29/06 , B60T13/52 , F04C25/02
CPC分类号： F04C29/061 , B60T13/46 , B60T13/52 , B60T17/06 , F04C18/344 , F04C25/02 , F04C29/065
摘要： An expansion chamber for a rotary vane vacuum pump is provided. The expansion chamber is in fluid communication with the discharge side of the rotary vane vacuum pump, such that the expansion chamber attenuates sound as a Helmholtz resonator. The expansion chamber includes an internal volume of between 80 cubic centimeters and 100 cubic centimeters, inclusive, and includes a curved sidewall that extends partially around, and generally conforms to, the exterior of the rotary vane vacuum pump. The expansion chamber also includes a downward extending port, open to the atmosphere, for attachment to a hose in applications in which the expansion chamber is below a water line.

2. 发明授权

US09732754B2 Shunt pulsation trap for positive-displacement machinery 有权
公开(公告)号：US09732754B2
公开(公告)日：2017-08-15
申请号：US14836194
申请日：2015-08-26
申请人： HI-BAR BLOWERS, INC.
发明人： Paul Xiubao Huang , Sean William Yonkers
IPC分类号： F04C29/00 , F04C29/06 , F04B11/00 , F04B39/00 , F04C18/12 , F04C18/02
CPC分类号： F04C29/0035 , F04B11/00 , F04B39/0027 , F04B39/0055 , F04B39/0061 , F04B39/0088 , F04C18/0215 , F04C18/126 , F04C29/061 , F04C29/065 , F04C29/068
摘要： A shunt pulsation trap for a positive-displacement gas-transfer machine having a gas transfer chamber with an intake port and a discharge port and having at least one positive-displacement drive device (such as two cooperating rotors) defining a compression region of the transfer chamber. The trap includes a pulsation-trap chamber arranged for parallel fluid flow with the machine transfer chamber. The trap has a first (e.g., inlet) port in communication with the compression region of the transfer chamber (e.g., at least one lobe span away or totally isolated from the transfer-chamber intake port), a second (e.g., discharge) port in communication with the discharge port of the transfer chamber, and at least one pulsation dampener in the pulsation-trap chamber. In this way, the shunt pulsation trap traps and attenuates gas pulsations before discharge from the machinery transfer chamber, thereby reducing induced NVH and improving machinery efficiency.

3. 发明授权

US09657732B2 Modular discharge silencer for vehicle-mounted compressor 有权
公开(公告)号：US09657732B2
公开(公告)日：2017-05-23
申请号：US13825748
申请日：2010-09-23
申请人： Michael J. Lucas , Walter Mürmann
发明人： Michael J. Lucas , Walter Mürmann
IPC分类号： F04B53/00 , F04D29/66 , F04B39/00 , F04C29/06 , F01N13/00 , F01N1/00 , B60P1/60 , F01N1/02 , F01N1/08
CPC分类号： F04B53/001 , B60P1/60 , F01N1/00 , F01N1/02 , F01N1/089 , F01N13/00 , F01N2340/04 , F01N2450/24 , F01N2450/30 , F01N2490/155 , F01N2590/08 , F04B39/0027 , F04B39/0055 , F04B39/0061 , F04B39/0066 , F04C29/061 , F04D29/663 , F04D29/665
摘要： A modular silencer for use on a compressor or blower mounted on a vehicle. The compressor has an intake port and an exhaust port, and the silencer has an inlet port in communication with the exhaust port of the compressor. The silencer includes a silencer housing and a resonator assembly removably positioned inside the housing. In one embodiment, the compressor includes a compressor housing and a power input shaft protruding from the compressor housing adjacent the air exhaust port. The silencer housing preferably includes a concave portion that at least partially receives the power input shaft. The silencer housing can also include a groove on the inner surface, and the resonator assembly can be at least partially positioned in the groove. Preferably, the resonator assembly includes a resonator plate, a plurality of resonator pipes extending through the plate, and a reinforcing flange coupled between at least two of the resonator pipes.

4. 发明授权

US09062679B2 Double throat pulsation dampener for a compressor 有权
标题翻译：用于压缩机的双喉脉动阻尼器
公开(公告)号：US09062679B2
公开(公告)日：2015-06-23
申请号：US12463457
申请日：2009-05-11
申请人： Michael John Lucas , James David Gillon , Jason William Hunt
发明人： Michael John Lucas , James David Gillon , Jason William Hunt
IPC分类号： F04B53/00 , F04C29/06 , F04B39/00 , F16L55/04
CPC分类号： F04C29/061 , F04B39/0055 , F16L55/041
摘要： A method of attenuating fluid dynamic pulsations that propagate through a flow of fluid at a convective velocity of the fluid, the pulsations having an organized vortical structure includes directing the flow to a pulsation dampener inlet having a first area and transitioning the organized vortical structure to a small-scale turbulent structure by squeezing the vorticies by passing the flow of fluid through a passage having a second area that is smaller than the first area, then rapidly expanding the flow of fluid by passing it into a chamber having a third area measured at an inlet of the chamber that is substantially larger than the second area. The method also includes discharging the flow of fluid from the chamber. The flow of fluid includes substantially attenuated fluid dynamic pulsations and acoustic pulsations that travel through the flow of fluid at the speed of sound.
摘要翻译：一种衰减流体动力脉动的方法，其以流体的对流速度传播通过流体流动，具有组织的涡旋结构的脉动包括将流引导到具有第一区域的脉动阻尼器入口并将有组织的涡旋结构转变为通过使流体流动通过具有小于第一区域的第二区域的通道来挤压涡流而使流体流动，然后通过将流体流通到具有在所述室的入口基本上大于所述第二区域。该方法还包括从腔室排出流体流。流体流动包括以声速传播通过流体流的基本上衰减的流体动态脉动和声脉动。

5. 发明授权

US08475148B2 Scroll compressor having through holes with a set depth 失效
标题翻译：涡旋压缩机具有设定深度的通孔
公开(公告)号：US08475148B2
公开(公告)日：2013-07-02
申请号：US12756615
申请日：2010-04-08
申请人： Satoshi Iitsuka , Kazuyoshi Sugimoto
发明人： Satoshi Iitsuka , Kazuyoshi Sugimoto
IPC分类号： F01C1/02 , F03C2/00 , F03C4/00 , F04C2/00
CPC分类号： F04C18/0215 , F04C18/0253 , F04C28/26 , F04C29/061 , F04C29/068 , F04C2270/14 , F04C2270/15
摘要： There is disclosed a scroll compressor which can lower the noise level of a harsh frequency without taking a lot of troubles. In a sealed container, a scroll compression element and an electromotive element are provided. The scroll compression element is constituted of a fixed scroll including a vertically provided spiral lap, and a swingable scroll including a vertically provided spiral lap and swiveled by a rotary shaft of the electromotive element with respect to the fixed scroll. A refrigerant compressed by gradually reducing, from the outside to the inside, a plurality of compression spaces formed by engaging both the laps with each other is discharged to a discharge pressure space in the sealed container.
摘要翻译：公开了一种能够降低刺激频率的噪声水平而不占用大量故障的涡旋压缩机。在密封容器中设置有涡旋压缩元件和电动元件。涡旋压缩元件由包括垂直设置的螺旋搭接件的固定涡卷和包括垂直设置的螺旋搭接件的摆动涡旋件构成，并且由相对于固定涡旋件的电动元件的旋转轴旋转。通过从两外部逐渐减小多个彼此接合的多个压缩空间而被压缩的制冷剂被排出到密封容器内的排出压力空间。

6. 发明授权

US08142172B2 Silencer designed and intended for a compressor 有权
标题翻译：消声器专为压缩机而设计
公开(公告)号：US08142172B2
公开(公告)日：2012-03-27
申请号：US11407892
申请日：2006-04-21
申请人： Andreas Förster
发明人： Andreas Förster
IPC分类号： F04B39/00
CPC分类号： F04C29/061 , F04C18/16 , F04C2220/10 , Y10S181/403
摘要： A silencer operative for a compressor or a vacuum pump, in particular for a compressor or a vacuum pump that operate according to the displacement principle, which in either case compresses a current of gas, in particular an air current, such that the silencer includes an entrance for the gas current that leaves the compressor, as well as an exit, the silencer including a branching region having an inflow channel which branches into two channel sections, such that a first channel section is constructed as a main conduit to conduct the gas current further, and a second channel section forms a branch that is closed at its end. The branch has an axial preferential direction oriented parallel to the direction of flow of the gas current in the inflow channel, so that the gas current impinges frontally on the branch that is closed at its end.
摘要翻译：一种用于压缩机或真空泵的消音器，特别是用于根据位移原理操作的压缩机或真空泵，其在任何情况下压缩气体的电流，特别是气流，使得消音器包括离开压缩机的气流的入口以及出口，消音器包括具有分支到两个通道部分的流入通道的分支区域，使得第一通道部分被构造为主导管以传导气体流并且第二通道部分形成在其末端封闭的分支。分支具有平行于流入通道中的气流的流动方向定向的轴向优先方向，使得气流正面撞击在其末端封闭的分支上。

7. 发明授权

US07997885B2 Roots-type blower reduced acoustic signature method and apparatus 有权
标题翻译：根型鼓风机减少了声学签名的方法和装置
公开(公告)号：US07997885B2
公开(公告)日：2011-08-16
申请号：US12050541
申请日：2008-03-18
申请人： Todd W. Allum
发明人： Todd W. Allum
IPC分类号： F01C21/00 , F03C2/00 , F03C4/00
CPC分类号： F04C29/068 , F04C18/126 , F04C29/0035 , F04C29/061
摘要： A Roots-type blower with helical cycloidal rotors features relief recesses in the chamber walls, isolated from the input and output ports. The relief recesses counter variation in leakback flow with angular position intrinsic to helical cycloidal rotors, attenuating a noise source.
摘要翻译：具有螺旋摆线转子的罗茨式鼓风机在室壁中具有与输入和输出端口隔离的浮雕凹槽。减压凹槽可以抵抗螺旋摆线转子固有的角位置的泄漏回流的变化，从而衰减噪声源。

8. 发明授权

US07578659B2 Compressor discharge muffler 有权
标题翻译：压缩机排气消音器
公开(公告)号：US07578659B2
公开(公告)日：2009-08-25
申请号：US11047552
申请日：2005-01-31
申请人： William Joseph Fox , Robert Clarence Sleighter, Jr. , Robert Stanley Miller , James Edwin Bender
发明人： William Joseph Fox , Robert Clarence Sleighter, Jr. , Robert Stanley Miller , James Edwin Bender
IPC分类号： F04B53/00 , F01N7/00
CPC分类号： F04C29/061 , F04C29/068 , F04C2250/102
摘要： A discharge muffler (20) in an HVAC&R system (100) includes a plurality of tubes (34, 38, 42) of predetermined length that are disposed at a predetermined spacing in substantially mutual axial alignment by a plate (30). The tubes (34, 38, 42) are secured adjacent to a compressor discharge (24) to minimize pressure reduction, improve flow characteristics and improve efficiency of the HVAC&R system (100).
摘要翻译： HVAC＆R系统（100）中的排放消音器（20）包括多个预定长度的管（34,38,42），它们以板（30）基本上相互轴向对齐的方式以预定间隔设置。管（34,38,42）紧邻压缩机排放口24固定，以最小化压力降低，改善流动特性并提高HVAC＆R系统（100）的效率。

9. 发明授权

US07568898B2 Compressor sound suppression 有权
标题翻译：压缩机声音抑制
公开(公告)号：US07568898B2
公开(公告)日：2009-08-04
申请号：US11813769
申请日：2005-03-07
申请人： Stephen L. Shoulders
发明人： Stephen L. Shoulders
IPC分类号： F03C2/00 , F03C4/00
CPC分类号： F04C29/068 , F04C18/16 , F04C29/061 , F04C29/126
摘要： A compressor apparatus has a housing (22) having first (53) and second (58) ports along a flowpath. One or more working elements (26, 28) cooperate with the housing to define a compression path between suction and discharge locations along the flowpath. A check valve (70) has a valve element having a first condition permitting downstream flow along the flowpath and a second condition blocking a reverse flow. Sound suppressing means (120, 220, 320) at least partially surround the flowpath upstream of the valve element (70).
摘要翻译：压缩机装置具有沿着流路具有第一（53）和第二（58）端口的壳体（22）。一个或多个工作元件（26,28）与壳体配合以在沿着流动路径的吸入和排出位置之间限定压缩路径。止回阀（70）具有阀元件，其具有允许沿着流动路径下游流动的第一状态和阻止反向流动的第二状态。至少部分地围绕阀元件（70）上游的流动路径的声音抑制装置（120,220,320）。

10. 发明授权

US07527053B2 Method and apparatus for attenuating compressor noise 有权
标题翻译：用于衰减压缩机噪音的方法和装置
公开(公告)号：US07527053B2
公开(公告)日：2009-05-05
申请号：US11088316
申请日：2005-03-23
申请人： Douglas F. DeVries , Malcolm R. Williams
发明人： Douglas F. DeVries , Malcolm R. Williams
IPC分类号： A61M16/00
CPC分类号： A61M16/0057 , A61M16/0063 , A61M16/0066 , A61M16/0069 , A61M2205/42 , F04C18/126 , F04C29/061 , F04C29/065
摘要： The invention comprises a method and apparatus for reducing the noise generated by compressors, including Roots-type blowers. The invention has particular use for reducing noise generated by compressors used in mechanical ventilators, though the advantages thereof may be realized in many different applications. One embodiment of the invention comprises a noise-attenuating gas flow path for a compressor contained in a portable ventilator housing. In one embodiment, the gas flow path comprises a plurality of chambers interconnected by flow tubes. The flow path is folded so as to fit into the limited space of a portable ventilator housing. The dimensions of the chambers and the flow tubes are selected so that an impedance mismatch is created between the chambers and the flow tubes. In one embodiment of the invention, the flow path comprises one or more perforated tubes located in one or more of the chambers. The perforated tube has a port through which gas is accepted and at least one exterior tube through which gas exits. Impedance mismatches are created between the inlet chamber and the exterior tubes and between the exterior tubes and the chamber in which the perforated tube is located, which are useful in attenuating noise. One embodiment of the invention comprises a noise attenuating mounting system for a compressor. The mounting system comprises flexible mounts that cooperate to dampen vibrations generated by the compressor.
摘要翻译：本发明包括一种减少压缩机产生的噪声的方法和装置，包括罗茨式鼓风机。本发明特别用于降低在机械通风机中使用的压缩机产生的噪音，尽管其优点可以在许多不同的应用中实现。本发明的一个实施例包括用于包含在便携式通风机壳体中的压缩机的噪声衰减气体流动路径。在一个实施例中，气体流路包括通过流动管互连的多个室。流路被折叠以便装配到便携式通风机壳体的有限空间中。选择室和流管的尺寸，使得在腔室和流管之间产生阻抗失配。在本发明的一个实施例中，流动路径包括位于一个或多个室中的一个或多个穿孔管。多孔管具有可接受气体的端口和气体离开的至少一个外部管。在入口室和外管之间以及外管和多孔管所在的室之间产生阻抗不匹配，这有助于衰减噪声。本发明的一个实施例包括用于压缩机的噪声衰减安装系统。安装系统包括柔性安装件，其配合以抑制由压缩机产生的振动。

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