Patents by Inventor Idriss Razgani

Idriss Razgani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10808660
    Abstract: A water separation element is provided with a cylindrical woven fabric screen for separating water. The woven fabric screen is made of woven fabric yarns positioned angularly relative to each other. A first annular support piece is arranged at a first end face of the woven fabric screen and is fixedly connected to a rim area of the woven fabric screen. The first annular support piece has a lateral edge facing the woven fabric screen. The woven fabric screen is flowed through in radial direction. The woven fabric yarns of the woven fabric screen are positioned, at least over sections, at an angle greater than 0° and smaller than 90° relative to the facing lateral edge of the first annular support piece. A second annular support piece is connected to the second end face. A filter element and a filter device with such a water separation element are provided.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 20, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Frank Pflueger, Idriss Razgani, Martin Veit
  • Publication number: 20200325863
    Abstract: A recirculation module for a fuel prefilter unit of a combustion engine has a temperature-controlled actuating element that transfers the recirculation module, based on a filter raw side feed temperature of the fuel, from a cold start state into a normal operating state and back. In cold start state, an engine return line from the combustion engine to the recirculation module is in fluid communication with a filter element raw side of the fuel prefilter unit and the engine return line is separated in regard to fluid communication from a tank return line of the combustion engine. In normal operating state, the engine return line is separated in regard to fluid communication from the filter element raw side and is in fluid communication with the tank return line. A check valve prevents return flow of fuel from the tank return line into the engine return line.
    Type: Application
    Filed: April 2, 2020
    Publication date: October 15, 2020
    Inventors: André Roesgen, Pius Trautmann, Idriss Razgani, Dietmar Talmon-Gros
  • Patent number: 10773190
    Abstract: A fuel filter insert for a fuel filter has a low-pressure region with prefilter element arranged therein. A high-pressure region arranged fluidically downstream of the low-pressure region has a main filter element arranged therein. Prefilter element and main filter element are arranged one atop the other axially in the fuel filter insert. A wall element projects away from the main filter element in axial direction and extends at least partially through the prefilter element. Low-pressure region and high-pressure region at least over sections thereof are separated from each other by the wall element. A fuel filter is provided with a filter housing in which the fuel filter insert is arranged. The filter housing has a fuel outlet and a fuel inlet for fuel prefiltered by the prefilter element. Fuel inlet and fuel outlet are fluidically positioned between low-pressure region and high-pressure region and a fuel pump is connectable thereto.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 15, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Lars Spelter, Idriss Razgani, Jonas Eble, Christoph Baumann, Christopher Mueller
  • Patent number: 10765977
    Abstract: A fuel filter insert for a fuel filter is provided with a prefilter element and a main filter element which are arranged one atop the other in an axial direction relative to a longitudinal axis of the fuel filter insert. The main filter element has a water separating unit configured to separate water contained in a fuel to be filtered. The water separating unit has a water discharge channel for water separated from the fuel, wherein the water discharge channel is extending in the axial direction at least partially through the prefilter element. A fuel filter with such a fuel filter insert has a filter housing accommodating the fuel filter insert and the water discharge channel of the fuel filter insert is fluidically connected with a water collecting chamber of the filter housing.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: September 8, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Christoph Baumann, Lars Spelter, Idriss Razgani, Jonas Eble, Christopher Mueller
  • Publication number: 20200248662
    Abstract: A discharge control device for a filter system and a filter system for filtering a media flow of a first and a second medium is provided with a collecting chamber that collects the second medium separated from the media flow. A sensor arrangement with a first sensor unit, a second sensor unit, a first shut-off valve having a closure body, and a second shut-off valve is provided. The first sensor unit is operatively connected to the first shut-off valve. The first sensor unit has a float that purely mechanically actuates the closure body of the first shut-off valve. The second shut-off valve is arranged in series in flow communication with the first shut-off valve. The second shut-off valve has an electromagnetically actuatable valve controlled by the second sensor unit as a function of a fill level of second medium in the collecting chamber.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Inventors: Idriss Razgani, Christoph Baumann, Dietmar Talmon-Gros, Michal Tuma, Jan Svoboda
  • Patent number: 10668410
    Abstract: A fuel filter has a filter housing and a fuel filter insert exchangeably arranged in the filter housing and provided with a prefilter element and a main filter element. Prefilter element and main filter element are positioned one behind the other in the filter housing in axial direction of the filter housing. A fuel discharge channel is arranged in the filter housing below the fuel filter insert. In operating position of the fuel filter insert in the filter housing, the raw sides of prefilter element and of main filter element are sealed relative to the fuel discharge channel by seal-tight contact of the fuel filter insert on the filter housing. The raw side of the main filter element, when the fuel filter insert is moved by axial movement away from the operating position, is fluidically connected with the fuel discharge channel via the raw side of the prefilter element.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 2, 2020
    Assignee: MANN+HUMMEL GmbH
    Inventors: Lars Spelter, Idriss Razgani, Jonas Eble, Christoph Baumann, Christopher Mueller
  • Publication number: 20200129891
    Abstract: A filter element for liquid filtration has a hollow-cylindrical filter medium body and an end disk covering an end face of the filter medium body. A central cutout axially penetrates the end disk. An outflow channel for liquid to be filtered or filtered liquid is arranged at the end disk and connects to a liquid collecting space. The outflow channel extends from a radially outward wall surface of the filter medium body to the central cutout of the end disk. The outflow channel is controlled by a drainage device. A filter device with a filter housing provided with such a filter element has a drainage device that controls the outflow channel. A filter device with a drainage device having a first drainage position for draining only water and a second drainage position draining water from a water collecting space and liquid from a liquid collecting space is provided.
    Type: Application
    Filed: November 4, 2019
    Publication date: April 30, 2020
    Inventors: Rafael Salom, Martin Weindorf, Idriss Razgani
  • Patent number: 10479702
    Abstract: A cleaning module (10) for cleaning a media flow of a first medium contaminated with a second medium that has a housing (12) having an inlet (18) and an outlet (20, 21) and a replaceable filter element (30) arranged within the housing (12). In this arrangement, a flow direction (32) of the media flow is directed through the filter element (30) in the specified installed state against the force of gravity. The filter element (30) has an absorptive and/or adsorptive material (34) for picking up at least a portion of the second medium in the first medium. A filter element for the cleaning module (10) and a filter system (100) having the cleaning module (10) are disclosed.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: November 19, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Lars Spelter, Idriss Razgani, Christoph Baumann
  • Patent number: 10458378
    Abstract: A water separator for water contained in fuel or oil, including: a water outlet for the water separated from the fuel or oil; and a water discharge device having an inlet opening; and an outlet opening for the water conveyed out of the water separator; wherein the inlet opening is eccentric to a longitudinal axis of the water separator; wherein an axial direction is a direction parallel to the longitudinal axis and a radial direction is a direction traverse to the longitudinal axis; wherein the inlet opening is arranged on the water separator and spaced axially away from the water outlet; and wherein the outlet opening is arranged on the water separator coaxially to the longitudinal axis of the water separator.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: October 29, 2019
    Assignee: MANN+ HUMMEL GmbH
    Inventor: Idriss Razgani
  • Patent number: 10399020
    Abstract: A filter element (10) for a liquid medium such as fuel, having a filter medium (16) which is arranged in an annular manner and a venting arrangement (30), having a first vent channel (60), connected at the intake end to the pre-filtration side (26) of the filter element (10), a vent tube (32) which extends away from the upper end plate (12) and which has at one end an inlet opening (34) and at the other end an outlet opening (36) for fluidic connection of the vent tube (32) to a vent stub of a filter housing, or a vent tube portion for connection to a vent tube of a filter housing, which portion extends away from the upper end plate (12) axially in the direction of the lower end plate (14) and has an inlet opening (34) at one end.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: September 3, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Martin Weindorf, Idriss Razgani, Pius Trautmann, Bernd Nageldinger
  • Patent number: 10328369
    Abstract: A filter element (10) for a liquid medium, in particular fuel, having a first vent channel (60) connected at the intake end to the pre-filtration side (26) of the filter element (10), a second vent channel (66) connected at the intake end to the post-filtration side (28) of the filter element (10); and a vent tube (32) having has at one end an inlet opening (34) and at the other end an outlet opening for fluidic connection of the vent tube (32) to a vent stub of a filter housing, or a vent tube portion for connection to a vent tube of a filter housing.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: June 25, 2019
    Assignee: MANN+ HUMMEL GmbH
    Inventors: Martin Weindorf, Idriss Razgani, Pius Trautmann, Bernd Nageldinger
  • Patent number: 10240565
    Abstract: A fuel filter insert for a fuel filter including: a pre-filter element having a upper and lower end plate, the end plates arranged on opposing ends of filter medium of the pre-filter element; a main filter element having upper and lower end plates, the end plates arranged on opposing ends of filter medium of the main filter element; wherein the pre-filter element and the main filter element as arranged one above the other in a direction of a longitudinal axis of the fuel filter insert; wherein at least one of the filter elements is through-flowable from the outside to the inside by fuel in a radial direction relative to the longitudinal axis; and a flow channel for the fuel pre-filtered by the pre-filter element; wherein the flow channel is arranged to extend in the axial direction between the pre-filter element and the main filter element.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: March 26, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Christoph Baumann, Idriss Razgani, Jonas Eble, Lars Spelter, Christopher Mueller
  • Publication number: 20180163680
    Abstract: A water separation element is provided with a cylindrical woven fabric screen for separating water. The woven fabric screen is made of woven fabric yarns positioned angularly relative to each other. A first annular support piece is arranged at a first end face of the woven fabric screen and is fixedly connected to a rim area of the woven fabric screen. The first annular support piece has a lateral edge facing the woven fabric screen. The woven fabric screen is flowed through in radial direction. The woven fabric yarns of the woven fabric screen are positioned, at least over sections, at an angle greater than 0° and smaller than 90° relative to the facing lateral edge of the first annular support piece. A second annular support piece is connected to the second end face. A filter element and a filter device with such a water separation element are provided.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Inventors: Frank Pflueger, Idriss Razgani, Martin Veit
  • Publication number: 20180028949
    Abstract: A fuel filter insert for a fuel filter is provided with a prefilter element and a main filter element which are arranged one atop the other in an axial direction relative to a longitudinal axis of the fuel filter insert. The main filter element has a water separating unit configured to separate water contained in a fuel to be filtered. The water separating unit has a water discharge channel for water separated from the fuel, wherein the water discharge channel is extending in the axial direction at least partially through the prefilter element. A fuel filter with such a fuel filter insert has a filter housing accommodating the fuel filter insert and the water discharge channel of the fuel filter insert is fluidically connected with a water collecting chamber of the filter housing.
    Type: Application
    Filed: September 13, 2017
    Publication date: February 1, 2018
    Inventors: Christoph Baumann, Lars Spelter, Idriss Razgani, Jonas Eble, Christopher Mueller
  • Publication number: 20180008912
    Abstract: A fuel filter has a filter housing and a fuel filter insert exchangeably arranged in the filter housing and provided with a prefilter element and a main filter element. Prefilter element and main filter element are positioned one behind the other in the filter housing in axial direction of the filter housing. A fuel discharge channel is arranged in the filter housing below the fuel filter insert. In operating position of the fuel filter insert in the filter housing, the raw sides of prefilter element and of main filter element are sealed relative to the fuel discharge channel by seal-tight contact of the fuel filter insert on the filter housing. The raw side of the main filter element, when the fuel filter insert is moved by axial movement away from the operating position, is fluidically connected with the fuel discharge channel via the raw side of the prefilter element.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 11, 2018
    Inventors: Lars Spelter, Idriss Razgani, Jonas Eble, Christoph Baumann, Christopher Mueller
  • Publication number: 20180008918
    Abstract: A fuel filter insert for a fuel filter has a low-pressure region with prefilter element arranged therein. A high-pressure region arranged fluidically downstream of the low-pressure region has a main filter element arranged therein. Prefilter element and main filter element are arranged one atop the other axially in the fuel filter insert. A wall element projects away from the main filter element in axial direction and extends at least partially through the prefilter element. Low-pressure region and high-pressure region at least over sections thereof are separated from each other by the wall element. A fuel filter is provided with a filter housing in which the fuel filter insert is arranged. The filter housing has a fuel outlet and a fuel inlet for fuel prefiltered by the prefilter element. Fuel inlet and fuel outlet are fluidically positioned between low-pressure region and high-pressure region and a fuel pump is connectable thereto.
    Type: Application
    Filed: September 13, 2017
    Publication date: January 11, 2018
    Inventors: Lars Spelter, Idriss Razgani, Jonas Eble, Christoph Baumann, Christopher Mueller
  • Publication number: 20170247263
    Abstract: A cleaning module (10) for cleaning a media flow of a first medium contaminated with a second medium that has a housing (12) having an inlet (18) and an outlet (20, 21) and a replaceable filter element (30) arranged within the housing (12). In this arrangement, a flow direction (32) of the media flow is directed through the filter element (30) in the specified installed state against the force of gravity. The filter element (30) has an absorptive and/or adsorptive material (34) for picking up at least a portion of the second medium in the first medium. A filter element for the cleaning module (10) and a filter system (100) having the cleaning module (10) are disclosed.
    Type: Application
    Filed: February 27, 2017
    Publication date: August 31, 2017
    Inventors: Lars Spelter, Idriss Razgani, Christoph Baumann
  • Publication number: 20170203242
    Abstract: A filter element (10) for a liquid medium, in particular fuel, having a first vent channel (60) connected at the intake end to the pre-filtration side (26) of the filter element (10), a second vent channel (66) connected at the intake end to the post-filtration side (28) of the filter element (10); and a vent tube (32) having has at one end an inlet opening (34) and at the other end an outlet opening for fluidic connection of the vent tube (32) to a vent stub of a filter housing, or a vent tube portion for connection to a vent tube of a filter housing.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 20, 2017
    Inventors: Martin Weindorf, Idriss Razgani, Pius Trautmann, Bernd Nageldinger
  • Publication number: 20170203243
    Abstract: A filter element (10) for a liquid medium such as fuel, having a filter medium (16) which is arranged in an annular manner and a venting arrangement (30), having a first vent channel (60), connected at the intake end to the pre-filtration side (26) of the filter element (10), a vent tube (32) which extends away from the upper end plate (12) and which has at one end an inlet opening (34) and at the other end an outlet opening (36) for fluidic connection of the vent tube (32) to a vent stub of a filter housing, or a vent tube portion for connection to a vent tube of a filter housing, which portion extends away from the upper end plate (12) axially in the direction of the lower end plate (14) and has an inlet opening (34) at one end.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 20, 2017
    Inventors: Martin Weindorf, Idriss Razgani, Pius Trautmann, Bernd Nageldinger
  • Publication number: 20160265496
    Abstract: A fuel filter insert for a fuel filter including: a pre-filter element having a upper and lower end plate, the end plates arranged on opposing ends of filter medium of the pre-filter element; a main filter element having upper and lower end plates, the end plates arranged on opposing ends of filter medium of the main filter element; wherein the pre-filter element and the main filter element as arranged one above the other in a direction of a longitudinal axis of the fuel filter insert; wherein at least one of the filter elements is through-flowable from the outside to the inside by fuel in a radial direction relative to the longitudinal axis; and a flow channel for the fuel pre-filtered by the pre-filter element; wherein the flow channel is arranged to extend in the axial direction between the pre-filter element and the main filter element.
    Type: Application
    Filed: March 10, 2016
    Publication date: September 15, 2016
    Inventors: Christoph Baumann, Idriss Razgani, Jonas Eble, Lars Spelter, Christopher Mueller