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1. 发明申请

WO0177529A3 METHOD FOR REDUCING NOISE AND CAVITATION IN MACHINES AND PRESSURE EXCHANGERS WHICH PRESSURIZE OR DEPRESSURIZE FLUIDS BY MEANS OF THE DISPLACEMENT PRINCIPLE 审中-公开
标题翻译：减少机械噪声的方法和通过位移原理加压或减少流体的压力交换器
公开(公告)号：WO0177529A3
公开(公告)日：2002-08-08
申请号：PCT/NO0100165
申请日：2001-04-11
申请人： ENERGY RECOVERY INC , HERMANSTAD RAGNAR A
发明人： HERMANSTAD RAGNAR A
IPC分类号： B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00 , F15B21/04 , F15B3/00
CPC分类号： F04F13/00 , F04B1/2042 , F04B11/00 , F15B21/008 , F15B21/047
摘要： A method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle, wherein at least one of the pressure exchanger's end covers is equipped with connecting channels (14, 17, 18) which substantially increase the inlet and outlet of flow medium in the rotor channels (15, 16) during residence in the depressurization zone (3) or the pressurization zone (4). The method comprises different embodiments such as, for example, a direct channel connection (14) between channel (16) and opposite channel (15).
摘要翻译：一种用于减少机械和压力交换器中的噪声和气蚀的方法，其中压力交换器的端盖中的至少一个配备有连接通道（14,17,18），所述连接通道（14,17,18）基本上增加在停留在减压区（3）或加压区（4）期间，转子通道（15,16）中流动介质的入口和出口。该方法包括不同的实施例，例如通道（16）和相对通道（15）之间的直接通道连接（14）。

2. 发明专利

ES2266244T3 METODO PARA REDUCIR RUIDO Y CAVITACION EN MAQUINAS E INTERCAMBIADORES DE PRESION QUE AUMENTAN O DISMINUYEN LA PRESION DE FLUIDOS POR MEDIO DEL PRINCIPIO DE DESPLAZAMIENTO. 未知
公开(公告)号：ES2266244T3
公开(公告)日：2007-03-01
申请号：ES01966776
申请日：2001-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00 , F15B3/00 , F15B21/04
摘要： Método para la reducción de ruido y de cavitación en un cambiador de presión, en el que existe transferencia de presión desde un líquido a alta a presión a un líquido a baja presión, cuyo método comprende: suministrar un líquido a alta presión a una abertura (1) de entrada de alta presión de una tapa extrema en un extremo de un rotor dispuesto para rotación con sus caras extremas sustancialmente en contacto de estanqueización con la tapa extrema y con una tapa extrema en el extremo opuesto, poseyendo dicho rotor canales (15, 16) en su interior que se extienden sustancialmente de forma longitudinal desde un extremo del rotor al extremo opuesto del mismo, encontrándose presentes aberturas de entrada y salida (1, 2) en cada una de las tapas extremas, cuyas aberturas están alineadas angularmente para formar pares de aberturas en las tapas extremas opuestas, un par para líquido a alta presión y un para líquido a baja presión y dichas tapas extremas tienen superficies que se encuentran en contacto de estanqueización con las caras extremas del rotor, cuyas superficies tienen zonas (3) de disminución de presión y zonas (4) de aumento de presión situadas respectivamente entre dichas aberturas de alta presión y dichas aberturas de baja presión; suministrando un líquido a baja presión a una abertura de entrada a baja presión en la tapa extrema situada en el extremo opuesto; provocar la rotación del rotor de manera que los canales del rotor quedan posicionados para comunicación de fluido simultánea alterna con las aberturas para líquido a alta presión de ambas tapas extremas y posteriormente con las aberturas para líquido a baja presión en ambas tapas extremas durante la rotación del rotor; y retirar líquido de las aberturas de salida (2) de las tapas extremas; caracterizado por la disposición de un canal (14, 17, 18) en cada una de las superficies de dichas tapas extremas, cuyo canal se extiende hacia adentro de, cómo mínimo, una de dichas zonas (3, 4) y comunicando con el canal (15, 16) del rotor para realizar un cambio en la presión del líquido en el canal del rotor por un incremento sustancial del flujo hacia adentro o hacia afuera de los canales del rotor durante el tiempo de permanencia de dicho canal del rotor (15, 16) en la zona (3) de disminución de presión o en la zona (4) de aumento de la presión.

3. 发明专利

AU2001293339B2 Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle 未知
公开(公告)号：AU2001293339B2
公开(公告)日：2007-01-04
申请号：AU2001293339
申请日：2001-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： F15B21/04 , B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00
摘要： A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is in the body portion of the housing and in substantially sealing contact with the end plates. The rotor has at least one channel extending substantially longitudinally from one end of the rotor to the opposite end of the rotor with an opening at each end. The channels of the rotor are positioned in the rotor for alternate hydraulic communication with 1) high pressure liquid and 2) low pressure liquid, in order to transfer pressure between the high pressure liquid and the low pressure liquid. Because of the high pressures and the high angular velocities, this is a highly cavitation prone structure, In order to prevent cavitation, there are one or more grooves in one or both of the end plates. These grooves bleed pressure out of the channels, for example to a lower pressure channel or to a sealing volume between the end piece and the rotor.

4. 发明专利

NO312563B1 未知
公开(公告)号：NO312563B1
公开(公告)日：2002-05-27
申请号：NO20001877
申请日：2000-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： F04B1/20 , B01D61/06 , F04B11/00 , F04F13/00 , F04F99/00 , F15B21/04 , F04F11/02
摘要： A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is in the body portion of the housing and in substantially sealing contact with the end plates. The rotor has at least one channel extending substantially longitudinally from one end of the rotor to the opposite end of the rotor with an opening at each end. The channels of the rotor are positioned in the rotor for alternate hydraulic communication with 1) high pressure liquid and 2) low pressure liquid, in order to transfer pressure between the high pressure liquid and the low pressure liquid. Because of the high pressures and the high angular velocities, this is a highly cavitation prone structure, In order to prevent cavitation, there are one or more grooves in one or both of the end plates. These grooves bleed pressure out of the channels, for example to a lower pressure channel or to a sealing volume between the end piece and the rotor.

5. 发明专利

AU9333901A Method for reducing noise and cavitation in machines and pressure exchangers which pressurize or depressurize fluids by means of the displacement principle 未知
公开(公告)号：AU9333901A
公开(公告)日：2001-10-23
申请号：AU9333901
申请日：2001-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00 , F15B21/04
摘要： A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is in the body portion of the housing and in substantially sealing contact with the end plates. The rotor has at least one channel extending substantially longitudinally from one end of the rotor to the opposite end of the rotor with an opening at each end. The channels of the rotor are positioned in the rotor for alternate hydraulic communication with 1) high pressure liquid and 2) low pressure liquid, in order to transfer pressure between the high pressure liquid and the low pressure liquid. Because of the high pressures and the high angular velocities, this is a highly cavitation prone structure, In order to prevent cavitation, there are one or more grooves in one or both of the end plates. These grooves bleed pressure out of the channels, for example to a lower pressure channel or to a sealing volume between the end piece and the rotor.

6. 发明专利

DK1276991T3 未知
公开(公告)号：DK1276991T3
公开(公告)日：2006-10-02
申请号：DK01966776
申请日：2001-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00 , F15B3/00 , F15B21/04
摘要： A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is in the body portion of the housing and in substantially sealing contact with the end plates. The rotor has at least one channel extending substantially longitudinally from one end of the rotor to the opposite end of the rotor with an opening at each end. The channels of the rotor are positioned in the rotor for alternate hydraulic communication with 1) high pressure liquid and 2) low pressure liquid, in order to transfer pressure between the high pressure liquid and the low pressure liquid. Because of the high pressures and the high angular velocities, this is a highly cavitation prone structure, In order to prevent cavitation, there are one or more grooves in one or both of the end plates. These grooves bleed pressure out of the channels, for example to a lower pressure channel or to a sealing volume between the end piece and the rotor.

7. 发明专利

AT330121T 未知
公开(公告)号：AT330121T
公开(公告)日：2006-07-15
申请号：AT01966776
申请日：2001-04-11
申请人： ENERGY RECOVERY INC
发明人： HERMANSTAD RAGNAR A
IPC分类号： B01D61/06 , F04B1/20 , F04B11/00 , F04F13/00 , F04F99/00 , F15B21/04 , F15B3/00
摘要： A pressure exchanger for simultaneously reducing the pressure of a high pressure liquid and pressurizing a low pressure liquid. The pressure exchanger has a housing having a body portion; with end elements at opposite ends of the body portion. A rotor is in the body portion of the housing and in substantially sealing contact with the end plates. The rotor has at least one channel extending substantially longitudinally from one end of the rotor to the opposite end of the rotor with an opening at each end. The channels of the rotor are positioned in the rotor for alternate hydraulic communication with 1) high pressure liquid and 2) low pressure liquid, in order to transfer pressure between the high pressure liquid and the low pressure liquid. Because of the high pressures and the high angular velocities, this is a highly cavitation prone structure, In order to prevent cavitation, there are one or more grooves in one or both of the end plates. These grooves bleed pressure out of the channels, for example to a lower pressure channel or to a sealing volume between the end piece and the rotor.

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