公开(公告)号：US06607661B2

公开(公告)日：2003-08-19

申请号：US09897339

申请日：2001-07-02

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D2966

CPC分类号： B01D29/114 ,  B01D29/52 ,  B01D29/668 ,  B01D35/12 ,  B01D35/153 ,  B01D36/001

摘要： The invention relates to a filtering apparatus, the operation of which is based on alternating filtering and flushing stages. The apparatus comprises one or several filter elements placed into a filter housing supported by a casing, the filter housing being provided with an inlet assembly for the liquid flow to be filtered, an outlet assembly for the filtered liquid flow, and a channel for flushing the filter elements with air. Further, the filter housing is arranged to be prefilled with liquid before the next filtering stage is initiated after the flushing. According to the invention, a filling channel is directed into the filter housing through the casing, the channel being provided with a valve, which closes the channel at the same time as the filter housing is opened, for example, for changing the filter elements. Closing may be automatic. The filter housing may include a removable cover and an axle bar supporting the filter elements and arranged between the cover and the valve and operated by a spring, the bar being moved from its place from the effect of the spring upon opening the cover at the same time as the spring closes the valve.

公开(公告)号：US06596165B2

公开(公告)日：2003-07-22

申请号：US10090513

申请日：2002-03-04

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D2968

CPC分类号： B01D35/157 ,  B01D29/117 ,  B01D29/52 ,  B01D29/6438 ,  B01D29/668 ,  B01D35/1576 ,  B01D2201/0453

摘要： A backflushable filtering apparatus for fuel or luboil filter of a motor includes inlet and outlet flow channels, parallel filtering elements open from their ends, in which infiltration occurs from through their jackets, and washing organs at different ends of the filtering elements, the organs connecting alternately to different ends of the filtering elements to provide discharge channels for the backflushing of elements generated by the pressure of the filtered flow. Each of the filtering elements is divided in two by a solid partition or constriction between its ends so that the connected washing organ generates backflushing only to a part of the element length at a time. The parts of the filtering element are functionally independent, and the one part may be backflushed at the same time as the filtering goes on in the other part.

公开(公告)号：US07081207B2

公开(公告)日：2006-07-25

申请号：US10844684

申请日：2004-05-14

申请人： Marko Kangasniemi ,  Tuomo Koivula

发明人： Marko Kangasniemi ,  Tuomo Koivula

IPC分类号： B01D29/62 ,  B01D29/66

CPC分类号： B01D35/12 ,  B01D29/114 ,  B01D29/661 ,  B01D29/668 ,  Y10S210/921

摘要： The invention relates to a method for cleaning a filter element (9) located in a filtering chamber (10, 11) and to a filter implementing the method. The filter includes an inlet (4) leading to the inlet side (10) of the filtering chamber, an outlet (6) starting from the outlet side (11) of the chamber, and a flow passage (13), which connects the chamber inlet side preferably to atmospheric pressure and by means of which a pressure difference can be generated between the different sides of the filter element in order to produce a flow impulse detaching solid matter accumulated on the element. In accordance with the invention, the inlet side (10) of the filtering chamber is connected in a first step to a confined buffer chamber (14) under lower pressure, the pressure equalisation between the chambers producing a flow impulse cleaning the filter element (9), after which the buffer chamber can be connected to atmospheric pressure. Such two-step pressure drop during cleaning of the filter element allows use of the elements in high-pressure hydraulic systems without exposing the element to risk of damage.

摘要翻译： 本发明涉及一种用于清洁位于过滤室（10,11）中的过滤器元件（9）的方法和实现该方法的过滤器。 过滤器包括通向过滤室的入口侧（10）的入口（4），从室的出口侧（11）开始的出口（6）和流动通道（13），其连接室 入口侧优选为大气压，并且借助于该压力差可以在过滤元件的不同侧面之间产生压力差，以便产生分离在元件上积聚的固体物质的流动脉冲。 根据本发明，过滤室的入口侧（10）在第一步骤中在较低压力下连接到限制缓冲室（14），所述室之间的压力平衡产生清洗过滤元件（9）的流动脉冲 ），之后缓冲室可以连接到大气压力。 在清洁过滤器元件期间的这种两步压降允许在高压液压系统中使用元件，而不会使元件暴露于损坏的风险。

公开(公告)号：US06499605B1

公开(公告)日：2002-12-31

申请号：US09625733

申请日：2000-07-26

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D2700

CPC分类号： B01D29/21 ,  Y10S210/17

摘要： The invention relates to a spin-on filter for filtering a flowing substance, especially to a filter for hydraulic liquid or lubricating oil in combustion motors. The filter comprises a casing, which is openable at one end, a substantially cylindrical replaceable filter means fitted inside the casing, the flow to be filtered having been arranged to pass through the filter means mantle, and a collar for connecting the filter with a device assembly, which includes inlet and outlet ducts for flow to be filtered. In accordance with the invention, the filter comprises a support member forming a solid extension of the collar, consisting of an axial spindle inside the filter means and of an end flange at its end opposite to the collar, the periphery of the end flange being tightly sealed against the inner wall of the casing such that the support member will receive a positive internal pressure within the casing axially. The joints between the support member and the collar, and the collar and the device assembly, respectively, may consist of threaded joints. As the flow to be filtered passes from the outside to the inside of the filter means, the means may bear against a perforated support pipe extending inside the means from the collar to the end flange of the support member.

摘要翻译： 本发明涉及一种用于过滤流动物质，特别是用于燃烧马达中的液压液体或润滑油的过滤器的旋转式过滤器。 该过滤器包括可在一端打开的壳体，装配在壳体内部的基本为圆柱形的可更换过滤器装置，待过滤的流经布置成穿过过滤器装置罩，以及用于将过滤器与装置连接的套环 组件，其包括用于待过滤的流的入口和出口管道。 根据本发明，过滤器包括形成套环的实心延伸部的支撑构件，其由过滤器装置内的轴向心轴和其与套环相对的端部处的端部凸缘组成，端部凸缘的周边紧紧地 密封抵靠壳体的内壁，使得支撑构件将在壳体内轴向承受正的内部压力。 支撑构件和套环之间的接合部以及套环和装置组件可分别由螺纹接头组成。 当待过滤的流体从过滤装置的外部传递到内部时，该装置可以抵靠在装置内从套环延伸到支撑构件的端部凸缘的穿孔支撑管。

公开(公告)号：US06227381B1

公开(公告)日：2001-05-08

申请号：US09096871

申请日：1998-06-11

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D3534

CPC分类号： B01D29/21 ,  Y10S210/17

摘要： The invention relates to a spin-on filter for filtering a flowing substance, especially to a filter for hydraulic liquid or lubricating oil in combustion motors. The filter comprises a casing, which is openable at one end, a substantially cylindrical replaceable filter means fitted inside the casing, the flow to be filtered having been arranged to pass through the filter means mantle, and a collar for connecting the filter with a device assembly, which includes inlet and outlet ducts for flow to be filtered. In accordance with the invention, the filter comprises a support member forming a solid extension of the collar, consisting of an axial spindle inside the filter means and of an end flange at its end opposite to the collar, the periphery of the end flange being tightly sealed against the inner wall of the casing such that the support member will receive the internal pressure within the casing axially. The joints between the support member and the collar, and the collar and the device assembly, respectively, may consist of threaded joints. As the flow to be filtered passes from the outside to the inside of the filter means, the means may bear against a perforated support pipe extending inside the means from the collar to the end flange of the support member.

摘要翻译： 本发明涉及一种用于过滤流动物质，特别是用于燃烧马达中的液压液体或润滑油的过滤器的旋转式过滤器。 该过滤器包括可在一端打开的壳体，装配在壳体内部的基本为圆柱形的可更换过滤器装置，待过滤的流体被布置成穿过过滤器装置罩，以及用于将过滤器与装置连接的套环 组件，其包括用于待过滤的流的入口和出口管道。 根据本发明，过滤器包括形成套环的实心延伸部的支撑构件，其由过滤器装置内的轴向心轴和其与套环相对的端部处的端部凸缘组成，端部凸缘的周边紧紧地 密封抵靠壳体的内壁，使得支撑构件将轴向地承受套管内的内部压力。 支撑构件和套环之间的接合部以及套环和装置组件可分别由螺纹接头组成。 当待过滤的流体从过滤装置的外部传递到内部时，该装置可以抵靠在装置内从套环延伸到支撑构件的端部凸缘的穿孔支撑管。

公开(公告)号：US06827864B2

公开(公告)日：2004-12-07

申请号：US10660392

申请日：2003-09-11

申请人： Marko Kangasniemi ,  Petri Tapola ,  Tuomo Koivula

发明人： Marko Kangasniemi ,  Petri Tapola ,  Tuomo Koivula

IPC分类号： B01D2968

CPC分类号： B01D29/52 ,  B01D29/117 ,  B01D29/668 ,  B01D2201/0453

摘要： A filtering apparatus and method comprises parallel filtering elements backflushable with the pressure of the filtered flow. At least one washing organ connecting alternately to the different filtering elements, forms a discharge channel for the washing flow. A freewheel clutch is connected to a rotating axle of the washing organ, converting reciprocating movement generated with the pressure of flow in the filtering apparatus and with pressure alternating with it into a continuously parallel, stepping rotary movement of the washing organ. The mechanism containing the clutch may be outside the filtering room of the apparatus, and based on the alternation of the higher pressure of the flow filtered in the apparatus and the lower pressure from the discharge channel. The freewheel clutch is articulated to a piston in the cylinder, and is moved back and forth with the pressure difference, controlled by the channels relaying the pressure and by the valves.

公开(公告)号：US06627079B2

公开(公告)日：2003-09-30

申请号：US09897299

申请日：2001-07-02

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D2966

CPC分类号： B01D35/12 ,  B01D29/114 ,  B01D29/21 ,  B01D29/52 ,  B01D29/668

摘要： The invention relates to a method and apparatus for filtering a liquid. The filtering is conducted using one or several filter elements in the filter housing, the operation being based on the alternation of filtering stages and air flushing stages. According to the invention, upon transferring from the flushing stage to the filtering stage, the filter housing is filled with liquid so that the liquid pushes the flushing air in the housing from the upper end of the housing into a separate air container so that air is compressed to a higher pressure in the container. During the filtering stage, air remains in the container, and after the filtering stage, air compressed in the container is allowed to push liquid out of the filter housing with its pressure. Further, the connection between the air container and the filter housing can be arranged so that air compressed in the container participates in the backflushing of the filter elements. The invention is especially applicable to an automatic filter filtering fuel or lubricant in a diesel motor.

摘要翻译： 本发明涉及一种过滤液体的方法和装置。 使用过滤器壳体中的一个或多个过滤元件进行过滤，该操作基于过滤级和空气冲洗级的交替。 根据本发明，在从冲洗阶段转移到过滤阶段时，过滤器壳体被填充液体，使得液体将壳体中的冲洗空气从壳体的上端推到单独的空气容器中，使得空气 在容器中压缩到更高的压力。 在过滤阶段，空气残留在容器中，并且在过滤阶段之后，允许在容器中压缩的空气以压力将液体推出过滤器壳体。 此外，空气容器和过滤器壳体之间的连接可以被布置成使得在容器中压缩的空气参与过滤元件的反冲洗。 本发明特别适用于在柴油发动机中自动过滤燃料或润滑剂的过滤器。

公开(公告)号：US06248246B1

公开(公告)日：2001-06-19

申请号：US09577926

申请日：2000-05-24

申请人： Tuomo Koivula

发明人： Tuomo Koivula

IPC分类号： B01D2966

CPC分类号： B01D41/04 ,  B01D29/114 ,  B01D29/21 ,  B01D29/52 ,  B01D29/54 ,  B01D29/668 ,  B01D35/12 ,  B01D35/303 ,  B01D36/02

摘要： The invention relates to a continuous-action filtering method, a filtering apparatus, as well as to the use of the discussed apparatus, as an automatic filter in the fuel or lubrication system of an engine. According to the invention, the apparatus comprises three filtering units, having a common inlet channel for a flow to be filtered, a common outlet channel for a filtered flow, as well as a common valve element provided with flow connections for controlling the flow in such a manner that the filtering units are in operation one at a time. An essential feature in the operation of the valve element is its ability to rotate around its axis and, furthermore, its ability to move between two different positions, the two filter units being operable alternately by rotating the valve element and the third filtering unit being operable by moving the valve. The valve element is constituted, e.g., by a cylindrical, axially movable spindle, which is also rotatable around its axis. In an automatic filter, the two filtering units can be used for a normal filtering process, wherein, with one of the units in operation at a given time, the other is subjected to a backflush, and the third unit is set in operation as said two units are being serviced.

摘要翻译： 本发明涉及连续动作过滤方法，过滤装置以及所讨论的装置的使用，作为发动机的燃料或润滑系统中的自动过滤器。 根据本发明，该装置包括三个过滤单元，其具有用于待过滤流体的公共入口通道，用于过滤流的公共出口通道，以及设有用于控制流动的流动连接的公共阀元件 过滤单元一次运行的方式。 阀元件的操作中的一个基本特征是其围绕其轴线旋转的能力，此外，其能够在两个不同位置之间移动，两个过滤器单元可以通过旋转阀元件和第三过滤单元可操作地交替操作 通过移动阀门。 阀元件例如由圆柱形的可轴向移动的主轴构成，其也可围绕其轴线旋转。 在自动过滤器中，两个过滤单元可以用于正常的过滤过程，其中，在给定时间内操作的单元之一，另一个被处理反冲洗，并且第三单元被设置为如上所述操作 两个单位正在服务。

公开(公告)号：US06187191B1

公开(公告)日：2001-02-13

申请号：US09067273

申请日：1998-04-27

申请人： Tuomo Koivula ,  Marko Kangasniemi

发明人： Tuomo Koivula ,  Marko Kangasniemi

IPC分类号： B01D2700

CPC分类号： B01D29/111 ,  B01D29/21 ,  Y10S210/17

摘要： The invention relates to a spin-on filter (1) for filtering a flowing substance, especially a hydraulic liquid or lubricating oil in combustion motors. The filter (1) comprises a casing (7), open at one end, which is connected to a device assembly (6) including inlet and outlet ducts (4, 5) for the flow to be filtered, and a substantially cylindrical replaceable filter element (12) fitted inside the casing. The flow to be filtered passes through the filter element mantle, either radially-inwardly or radially outwardly. The cylindrical filter element (12) includes an end flange (16), designed such that its outer edge (17) simultaneously acts as a seal for the casing (7) end. The flange (16) can be made by injection-molding plastic in one piece and is equipped with flow openings (18) required for the flow to be filtered and communicating with the inlet or outlet ducts in the device assembly. The filter may include a joint ring (13), the end flange of the filter element forming a seal (17) between the casing and the joint ring. The filter also includes a collar (10) with a thread (2), by which the assembled filter can be connected as a unit to the device assembly (6) by screwing.

摘要翻译： 本发明涉及一种用于过滤流动物质，特别是燃烧电动机中的液压液体或润滑油的旋转式过滤器（1）。 过滤器（1）包括在一端开口的壳体（7），其连接到装置组件（6），该装置组件（6）包括用于待过滤的流动的入口和出口管道（4,5），以及基本上圆柱形的可更换过滤器 元件（12）安装在外壳内。 待过滤的流动通过过滤元件套，径向向内或径向向外。 圆柱形过滤器元件（12）包括端部凸缘（16），其被设计成使得其外边缘（17）同时用作用于壳体（7）端部的密封件。 凸缘（16）可以通过将塑料注塑成一体并且配备有流过所需流动的流动开口（18）并与装置组件中的入口或出口管道连通。 过滤器可以包括接头环（13），过滤元件的端部凸缘在壳体和接头环之间形成密封件（17）。 过滤器还包括具有螺纹（2）的轴环（10），组装的过滤器可以通过螺纹连接作为单元连接到装置组件（6）。