公开(公告)号：WO2018129438A1

公开(公告)日：2018-07-12

申请号：PCT/US2018/012762

申请日：2018-01-08

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： HERMAN, Peter K. ,  JANAKIRAMAN, Arun P.

IPC: F01D5/28 ,  B01D45/12 ,  B04B9/06 ,  F01M13/04 ,  C23C16/00 ,  F01D9/02 ,  C23C4/134

Abstract: Various arrangements of a turbine for a rotating coalescer element of a crankcase ventilation system for an internal combustion engine are described. In some arrangements, the turbine is an impulse turbine, which is also known as a pelton turbine or a turgo turbine. The turbine is used to convert hydraulic power from a stream of pressurized fluid to mechanical power that is used to drive the rotating element. The turbine includes a non-wetting surface (e.g., an oleophobic or hydrophobic surface) that repels the pressurized fluid. The non-wetting surface may be achieved through plasma coating, fluoropolymer coating, micro-topography features, and the like. The non-wetting surface increases the power transmission efficiency from the stream of pressurized fluid to the turbine, thereby increasing the rotational speed of the rotating element compared to wettable surfaced turbines, which in turn increases the efficiency of the rotating element.

公开(公告)号：WO2018129067A1

公开(公告)日：2018-07-12

申请号：PCT/US2018/012217

申请日：2018-01-03

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： HERMAN, Peter K.

IPC: B01D46/00 ,  B01D46/24 ,  B01D46/10 ,  B01D53/14 ,  B01D53/22

Abstract: A filter assembly comprises a filter head, a port, a fitting, and a diffuser. The port extends from a portion of the filter head and defines a channel for fluid to flow into or out of the filter head. The fitting first end is attachable to the port and the fitting second end is attachable to a filtration system component. The diffuser is positionable within the channel of the port and comprises an inner surface and an outer surface. The inner surface defines an inner conical hollow region that extends at a nonzero angle between the inner conical hollow region first end and the inner conical hollow region second end such that a first inner diameter of the diffuser at the inner conical hollow region first end is smaller than a second inner diameter of the diffuser at the inner conical hollow region second end.

公开(公告)号：WO2018106539A1

公开(公告)日：2018-06-14

申请号：PCT/US2017/064268

申请日：2017-12-01

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： HERMAN, Peter K. ,  JANAKIRAMAN, Arun P.

IPC: B04B5/00 ,  B04B9/06 ,  F01D1/02 ,  F01D1/06 ,  F01D5/14

Abstract: A separation assembly comprises a housing, a jet that expels a fluid within the housing, and a turbine positioned within the housing. The fluid causes the turbine to rotate about a center rotational axis within the housing. The turbine comprises a first axial end, a second axial end, and a plurality of vanes extending axially relative to the center rotational axis from the first axial end to the second axial end. The plurality of vanes defines axially-extending channels between each of the plurality of vanes. The first axial end comprises a radially-extending structure that axially blocks the flow of the fluid through the first axial end. The second axial end does not comprise any structure that axially blocks the flow of the fluid through the second axial end.

公开(公告)号：WO2017034819A1

公开(公告)日：2017-03-02

申请号：PCT/US2016/046564

申请日：2016-08-11

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： SCHWARTZ, Scott W. ,  HERMAN, Peter K. ,  CUPERY, Jeremiah ,  TERRES, Mark A.

IPC: B01D35/30 ,  B01D27/00 ,  B01D29/00 ,  B01D29/13 ,  B01D46/00

CPC classification number: B01D46/528 ,  B01D46/0005 ,  B01D46/009 ,  B01D2265/026 ,  B01D2271/022

Abstract: Filter housings that have housing wall surface irregularities are described. The surface irregularities are positioned on the inner walls of the housings and/or axial ends of the housing walls. The surface irregularities may be, for example, grooves, ribs, bumps, and the like. The surface irregularities provide an engine integrity protection (EIP) feature by preventing non-approved replacement filter elements from forming seals against alternative sealing surfaces of the housing wall inner surfaces or axial ends.

Abstract translation: 描述了具有外壳壁表面不规则的过滤器外壳。 表面凹凸定位在壳体的内壁和/或壳体壁的轴向端部上。 表面凹凸可以是例如凹槽，肋，凸块等。 表面不平整通过防止未经认可的更换过滤器元件形成与壳体壁内表面或轴向端部的可选密封表面的密封件来提供发动机完整性保护（EIP）特征。

公开(公告)号：WO2016200895A1

公开(公告)日：2016-12-15

申请号：PCT/US2016/036384

申请日：2016-06-08

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： PARIKH, Chirag D. ,  HOLM, Christopher E. ,  HERMAN, Peter K. ,  SCHWANDT, Brian W. ,  PECK, Lee A.

IPC: F01M13/04 ,  B01D45/14 ,  B01D46/26 ,  F01M13/00 ,  F01M13/02

CPC classification number: B01D46/0031 ,  B01D45/14 ,  B01D46/003 ,  B01D46/26 ,  B01D46/521 ,  B01D2271/027 ,  B01D2275/10 ,  B01D2279/35 ,  F01M13/04 ,  F01M2013/0422 ,  F01M2013/0438

Abstract: Rotating coalescer crankcase ventilation (CV) systems are described. The described CV systems utilize a contact seal to seal a gap between a static side of a housing and a rotating coalescer inlet. The rotating coalescer may be driven mechanically, electrically, hydraulically, or the like. The contact seal can be formed via a soft solid or a liquid film created by oil. Accordingly, the contact seal is a hydrodynamic soft seal. The contact seal prevents the blowby gases from bypassing the filter element of the rotating coalescer. At the same time, the contact seal may be broken during positive blowby gas recirculation circumstances because the contact seal is a hydrodynamic soft seal.

Abstract translation: 描述了旋转聚结器曲轴箱通风（CV）系统。 所描述的CV系统利用接触密封来密封壳体的静态侧和旋转聚结器入口之间的间隙。 旋转聚结器可以机械地，电动地，液压地等驱动。 接触密封件可以通过软的固体或由油产生的液体膜形成。 因此，接触密封件是流体动力学软密封。 接触密封件防止窜气气绕过旋转聚结器的过滤元件。 同时，由于接触密封是流体动力学软密封，所以接触密封件在正气窜气再循环环境中可能被破坏。

公开(公告)号：WO2020236503A1

公开(公告)日：2020-11-26

申请号：PCT/US2020/032812

申请日：2020-05-14

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： KADAM, Pravin Shantinath ,  ARAKERI, Sudhindra Palaxa ,  HERMAN, Peter K. ,  SOUTH, Kevin C.

IPC: B01D29/00 ,  B01D27/08 ,  B01D29/21 ,  B01D35/02 ,  B01D35/147 ,  B01D35/30

Abstract: A liquid filtration system includes a filter head, a shell housing, and a filter cartridge. The filter head includes a skirt having a ramp disposed at a first end of the skirt. The shell housing is coupled to the filter head. The filter cartridge is disposed within the shell housing. The filter cartridge includes a filter media pack and am endcap coupled to a first end of the filter media pack. The endcap includes an interface member extending from an upper surface of the endcap. The interface member includes a sealing member that is at least partially tilted at an oblique angle relative to a central axis of the endcap. The sealing member is sealingly engaged with the skirt.

公开(公告)号：WO2019152879A2

公开(公告)日：2019-08-08

申请号：PCT/US2019/016406

申请日：2019-02-01

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： HERMAN, Peter K. ,  PARIKH, Chirag D.

IPC: F02C3/08

Abstract: A separation assembly comprises a housing, a jet that expels a fluid within the housing, and a turbine positioned within the housing and positioned so as to be contacted by the fluid expelled from the jet. The fluid causes the turbine to rotate about a center rotational axis within the housing. The turbine comprises a first axial end, a second axial end, and a plurality of vanes extending axially relative to the center rotational axis from the first axial end to the second axial end. The plurality of vanes defines axially-extending channels between each of the plurality of vanes. The first axial end is axially open such that fluid can flow unblocked axially through the first axial end and into the channels. The jet is positioned such that at least a portion of the fluid enters into the turbine through the first axial end.

公开(公告)号：WO2019060727A1

公开(公告)日：2019-03-28

申请号：PCT/US2018/052222

申请日：2018-09-21

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： BOWERMAN, Jeff A. ,  BRIGHT, Aarol Duane ,  HERMAN, Peter K. ,  HOLZMANN, Mark V. ,  KADAM, Pravin Shantinath ,  ROYSDON, Eric

IPC: B01D27/08

Abstract: A filter assembly includes a housing having an outer cavity and an inner cavity, and a gasket disposed within the housing. The gasket includes an inner surface, an outer surface, and a vent passage. The gasket forms a first seal with a central tube at the inner surface. The central tube extends into the inner cavity and includes an opening. A filter element is positioned within the housing and includes a filter media configured to filter a fluid and an endcap including an annular tab portion that forms a second seal with the outer surface of the gasket when the filter element is positioned in an operating position within the housing. The vent passage circumvents the first seal and the second seal, allowing air to flow from the inner cavity of the housing to the opening in the central tube.

公开(公告)号：WO2019023121A1

公开(公告)日：2019-01-31

申请号：PCT/US2018/043265

申请日：2018-07-23

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： CURRIER, Wilson L. ,  HERMAN, Peter K. ,  JANAKIRAMAN, Arun P. ,  SHEUMAKER, Jonathan D.

IPC: B01D29/13 ,  B01D29/88 ,  B01D35/30

Abstract: A filter element for filtering a fluid that comprises a pleated filter media and a support structure. The pleated filter media comprises pleats that define an upstream gap along an upstream surface of the pleated filter media and a downstream gap along a downstream surface of the pleated filter media. The support structure extends along the downstream surface of the pleated filter media and supports the pleats. The support structure is folded into two layers comprising a first layer and a second layer within the downstream gap. The first layer inner surface and the second layer inner surface are positioned adjacent to each other within the downstream gap. The support structure comprises at least one spacer that increases a distance between the first layer outer surface and the second layer outer surface such that the differential pressure drop through portion of the support structure that is within the downstream gap is decreased.

公开(公告)号：WO2017053270A1

公开(公告)日：2017-03-30

申请号：PCT/US2016/052612

申请日：2016-09-20

Applicant: CUMMINS FILTRATION IP, INC.

Inventor： BISURKAR, Sonali ,  WANKHEDE, Amit S. ,  BHALERAO, Hariprasad M. ,  KAMBLE, Shrikant A. ,  HOLM, Christopher E. ,  HERMAN, Peter K. ,  JANAKIRAMAN, Arun P.

IPC: B01D35/147 ,  B01D27/10

CPC classification number: B01D35/147 ,  B01D29/05 ,  B01D29/21 ,  B01D29/54 ,  B01D2201/188

Abstract: A filter cartridge having a bypass filtration media is described. The filter cartridge includes main filtration media. In some arrangements, the main filtration media includes first filtration media and second filtration media that has a different filtering efficiency than the first filtration media. The filter cartridge is configured to be installed in a filtration system having a bypass mode. While in the bypass mode, fluid passing through the filtration system is allowed to bypass the main filtration media. To avoid unfiltered fluid from passing from the inlet of filtration system to the outlet (e.g., and on to an internal combustion engine), the fluid flows through the bypass filtration media (e.g., during cold start conditions). In some arrangements, the bypass filtration media has a lower filtering efficiency than the main filtration media.

Abstract translation: 描述了具有旁路过滤介质的滤筒。 滤芯包括主过滤介质。 在一些布置中，主要的过滤介质包括具有与第一过滤介质不同的过滤效率的第一过滤介质和第二过滤介质。 滤筒被配置为安装在具有旁路模式的过滤系统中。 在旁路模式下，允许通过过滤系统的流体绕过主过滤介质。 为了避免未过滤的流体从过滤系统的入口通过出口（例如和内燃机），流体流过旁路过滤介质（例如，在冷启动条件下）。 在一些布置中，旁路过滤介质具有比主过滤介质更低的过滤效率。