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1. 发明授权

US3574487A Pump means 失效
公开(公告)号：US3574487A
公开(公告)日：1971-04-13
申请号：US3574487D
申请日：1968-10-14
申请人： PATENTS & DEV AS
发明人： MOHN FRANK
IPC分类号： B63B27/24 , F04D13/04 , F04D29/10 , F04D13/02
CPC分类号： B63B27/24 , F04D13/046 , F04D29/108
摘要： A pump means for submersion in and transfer of fluid ship''s cargo, having a zone between the driving system of the pump and said fluid cargo to receive any leakage of driving medium and fluid cargo and means for controlling the pressure and regulating the thermal conditions in said zone and for remote controlling the removal of leakage from said zone. A pump unit comprising said pump means received in a protective rigid casing.

2. 发明授权

US3856078A Devices for tanks containing fluid medium 失效
标题翻译：包含流体介质的罐装置
公开(公告)号：US3856078A
公开(公告)日：1974-12-24
申请号：US36044373
申请日：1973-05-15
申请人： PATENTS & DEV AS
发明人： DAHL C
IPC分类号： D06B19/00 , F23K5/20 , F28D1/02 , F28D1/06
CPC分类号： F28D1/0213 , D06B19/0094 , F23K5/20
摘要： A device for a tank containing fluid medium, especially socalled heavy oils, which comprises a housing submerged in said medium and thermally insulated therefrom with a heat exchanger disposed therein for heating the fluid medium. The housing has at its opposite ends a first or inlet and mixing chamber and a second or combined circulation and outlet chamber respectively. The first chamber is in open flow connection with the surrounding fluid medium while the second chamber is in valve-controlled flow connection with a discharge conduit. A pump adjacent one end of the heat exchanger is adapted to force fluid medium through a flow passage from the first chamber via the heat exchanger into the second chamber while another flow passage permits circulation from the second chamber to the first chamber so as to maintain the mixing of heated fluid medium from the heat exchanger and unheated fluid medium from the tank in step with the discharge of heated fluid medium from the discharge conduit.
摘要翻译：一种用于容纳流体介质，特别是所谓的重油的罐的装置，其包括浸没在所述介质中并与其热绝缘的壳体，其中设置有用于加热流体介质的热交换器。壳体的相对端分别具有第一入口和混合室以及第二或组合的循环和出口室。第一室与周围的流体介质处于开放流动连接，而第二室与排放管道处于阀控流动连接。靠近热交换器的一端的泵适于迫使流体介质通过从第一室经由热交换器进入第二室的流动通道，而另一个流动通道允许从第二室循环到第一室，以便保持从加热的流体介质与来自储罐的未加热的流体介质混合，从排放管道排出加热的流体介质。

3. 发明授权

US3853767A Pumping apparatus for skimming and recovering an oil layer from a body of water 失效
标题翻译：用于从水体中吸收和回收油层的泵装置
公开(公告)号：US3853767A
公开(公告)日：1974-12-10
申请号：US24401072
申请日：1972-04-14
申请人： PATENTS & DEV AS
发明人： MOHN F
IPC分类号： E02B15/04 , E02B15/10
CPC分类号： E02B15/106 , Y02A20/204 , Y10S210/923
摘要： The disclosed apparatus for recovering oil floating on the surface of a body of water comprises a bowl for skimming and collecting oil from the surface of the water, means for supporting the bowl with its peripheral edge surface located at the surface of the water while its body portion therebelow extends downwardly below the level of the body of water, said bowl having a central downwardly and inwardly inclined upper surface, a pump for pumping recovered oil from the central lower portion of the bowl, a plate outside and surrounding the bowl for directing water and oil toward the peripheral edge of the bowl where oil is separated from water, said plate having a central downwardly and inwardly inclined portion below the bowl having a bottom water outlet passageway, and a water pump connected into the water outlet passageway for drawing water and oil over the peripheral surface of the plate to the peripheral edge of the bowl and for drawing water on through the space between the plate and bowl and out the said passageway. The pump may be located in the bowl, for example, in a chamber which surrounds the pump and is provided with oil flow passageways leading into the chamber.
摘要翻译：所公开的用于回收浮在水体表面上的油的装置包括：用于从水面吸收和收集油的碗，用于支撑碗的周边边缘表面位于水表面的装置，在其下方的部分向下延伸到水体的水平面下方，所述碗具有中心的向下和向内倾斜的上表面，用于从碗的中心下部泵送回收的油的泵，在碗外部并围绕碗引导水并将油朝向碗中的油与水分离的周缘，所述板在碗下方具有中部向下和向内倾斜的部分，其具有底部出水通道，以及连接到出水通道中用于抽水的水泵，在板的外周表面上的油到碗的周边边缘，并通过板a之间的空间吸水将碗放出所述通道。泵可以位于碗中，例如在围绕泵的腔室中，并且设置有通向腔室的油流通道。

4. 发明授权

US3800831A Hydraulic systems 失效
标题翻译：液压系统
公开(公告)号：US3800831A
公开(公告)日：1974-04-02
申请号：US3800831D
申请日：1972-02-22
申请人： PATENTS & DEV AS
发明人： TVEIT O
IPC分类号： F15B11/02 , F15B11/16 , F16K11/02
CPC分类号： F15B11/02 , F15B11/16 , F15B2211/20576 , F15B2211/30505 , F15B2211/40515 , F15B2211/428 , F15B2211/455 , F15B2211/50536 , F15B2211/5151 , F15B2211/7058 , F15B2211/71 , Y10T137/86879
摘要： A hydraulic system including two or more hydraulic components separately operable by means of predetermined mutually arbitrary quantities of pressure medium supplied from a common source of the latter via a common feed conduit through respective individually regulatable quantity control valves. Each quantity control valve incorporates a throttle arrangement and a control slide which are adapted to supply a maximum quantity of pressure medium to their hydraulic component by balancing the pressure on the control slide in opposite axial directions. The control slide in a first axial direction is under a pressure load in front of the throttle arrangement and in an opposite axial direction under a pressure load behind the throttle arrangement plus the pressure exerted by a pressure spring. The control slide is provided with a throttle flange cooperable with a flow opening in a slide guide whereby the supply of pressure medium to the region in front of the throttle arrangement is regulated depending upon the balance position of the control slide with increasing throttling by excess pressure in the first axial direction. Furthermore, the pressure medium of the system is employed as a remote control medium by effecting a controlled ''''tapping off'''' of pressure medium from the quantity control valve via a remote control valve and an associated single conduit connection to a remotely disposed pressure discharge source. The balance position of the control slide is thus regulated and the supply of pressure medium to the hydraulic component is controlled according to need.
摘要翻译：一种液压系统，包括两个或更多个液压部件，其通过预定的相互任意数量的压力介质通过相应的单独可调节量的控制阀经由公共进料导管从后者的共同源供给，分开操作。每个量控制阀包括节流装置和控制滑块，其适于通过在相反的轴向平衡控制滑块上的压力来向其液压部件提供最大量的压力介质。在第一轴向方向上的控制滑块在节气门装置的前面处于压力负载下，并且在节流装置后面的压力负载加上由压力弹簧施加的压力的相反的轴向方向上。控制滑块设置有与滑动导轨中的流动开口配合的节流凸缘，由此根据控制滑块的平衡位置来调节到节流装置前面的区域的压力介质的供应，同时由于过度压力的增加节流在第一轴向。此外，通过经由远程控制阀和与远程设置的压力放电源的相关联的单个管道连接，通过从量控制阀受控地“压出”压力介质，将系统的压力介质用作远程控制介质。因此控制滑块的平衡位置被调节，并且根据需要控制对液压部件的压力介质的供给。

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