Patents by Inventor Uwe Grass
Uwe Grass 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).
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Patent number: 9938880Abstract: A heat exchanger assembly may include an intercooler and a housing which encloses said intercooler. The housing may be part of a charge air line. The housing may include a charge air inlet, a charge air outlet and an opening through which the intercooler can be inserted into the housing from one side. The housing may also include a recess on the side opposite the opening, into which recess the intercooler engages. The heat exchanger assembly may include an elastic seal arranged in the region of the recess between the intercooler and the housing. The seal may be configured to at least one of bridge the deformation of the housing occurring during pressure pulsations, bridge relative movements between the intercooler and the housing, and tightly connect the intercooler to the housing in all operating states preventing an undesirable bypass flow.Type: GrantFiled: July 26, 2012Date of Patent: April 10, 2018Assignees: Mahle International GmbH, Behr GmbH & Co. KGInventors: Veit Bruggesser, Andreas Eilemann, Uwe Grass, Rolf Mueller, Hubert Pomin, Christian Saumweber, Juergen Stehlig
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Patent number: 9835080Abstract: A fresh air supply device for an internal combustion engine may include a filter element arranged in a filter compartment. A charge-air cooler may be arranged in a cooler compartment. A one-piece housing may integrally include the filter compartment and the cooler compartment. The charge-air cooler may have a coolant inlet, a coolant outlet and an internal coolant path which connects the coolant inlet to the coolant outlet. The internal coolant path may be coupled in a heat-transferring manner to a charge-air path extending inside the housing and through the cooler compartment.Type: GrantFiled: July 22, 2013Date of Patent: December 5, 2017Assignee: Mahle International GmbHInventors: Swen-Juri Bauer, Andreas Gruener, Uwe Grass
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Patent number: 9731235Abstract: A filter appliance may include a filter housing and a ring filter element having an axis and being mountable in the filter housing. The filter element may include a first axial end disc having a protruding pin configured to engage into a channel of the filter housing. The filter housing may have an interior including a first region and the ring filter element may include a second region associated with the first region. A guide contour may be arranged on one of the first region and the second region, and a first guide element and a second guide element may be disposed on the other of the first region and the second region. The guide contour may include a first axial groove and a second axial groove configured to receive the first guide element and the second guide element to define a key and lock interaction.Type: GrantFiled: February 12, 2014Date of Patent: August 15, 2017Assignee: Mahle International GmbHInventors: Uwe Grass, Markus Preissinger
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Patent number: 9555351Abstract: A filter device having a filter element received in a filter housing, the filter housing has an inlet and an outlet. The filter element separates a crude chamber that communicates with the inlet from a pure chamber that communicates with the outlet. The filter element has an axially and eccentrically projecting plug, which in an inserted state, is plugged into a plug receptacle formed within the filter housing, and wherein at least one signal generator recognizes at least one of a presence and an absence of the plug in the plug receptacle, generating at least one signal.Type: GrantFiled: December 4, 2008Date of Patent: January 31, 2017Assignee: Mahle International GmbHInventors: Uwe Grass, Mike Schmid, Andreas Widmaier
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Publication number: 20160040636Abstract: An air supply system for supplying fresh air to at least one combustion chamber of an internal combustion engine may include a housing having a fresh air path and a lateral introduction opening. A charge-air cooler may be instertable into the housing via the introduction opening along an introduction direction. The charge-air cooler may be arranged in the housing and the fresh air path may extend through the charge air cooler. The charge air cooler may include an outer end region closing the introduction opening. The outer end region of the charge-air cooler may be secured to the housing.Type: ApplicationFiled: March 25, 2014Publication date: February 11, 2016Applicants: MAHLE INTERNATIONAL GMBH, MAHLE BEHR GMBH & CO. KGInventors: Veit Bruggesser, Andreas Eilemann, Uwe Grass, Rolf Mueller, Hubert Pomin, Christian Saumweber, Juergen Stehlig
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Patent number: 9249763Abstract: A hollow plastic part may include at least two plastic shells connected with one another at a respective edge along at least one joining plane. Each plastic shell may have at least a first component and a second component, wherein the plastic of the first component may have a lower melting temperature than the plastic of the second component. The first component may extend on at least one plastic shell in a caterpillar-like manner along at least part of the respective edge of the second component of this plastic shell.Type: GrantFiled: August 22, 2011Date of Patent: February 2, 2016Assignee: Mahle International GmbHInventors: Uwe Grass, Sven Alexander Kaiser
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Publication number: 20150367265Abstract: A filter appliance may include a filter housing and a ring filter element having an axis and being mountable in the filter housing. The filter element may include a first axial end disc having a protruding pin configured to engage into a channel of the filter housing. The filter housing may have an interior including a first region and the ring filter element may include a second region associated with the first region. A guide contour may be arranged on one of the first region and the second region, and a first guide element and a second guide element may be disposed on the other of the first region and the second region. The guide contour may include a first axial groove and a second axial groove configured to receive the first guide element and the second guide element to define a key and lock interaction.Type: ApplicationFiled: February 12, 2014Publication date: December 24, 2015Applicant: MAHLE INTERNATIONAL GMBHInventors: Uwe Grass, Markus Preissinger
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Publication number: 20150204234Abstract: A fresh air supply device for an internal combustion engine may include a filter element arranged in a filter compartment. A charge-air cooler may be arranged in a cooler compartment. A one-piece housing may integrally include the filter compartment and the cooler compartment. The charge-air cooler may have a coolant inlet, a coolant outlet and an internal coolant path which connects the coolant inlet to the coolant outlet. The internal coolant path may be coupled in a heat-transferring manner to a charge-air path extending inside the housing and through the cooler compartment.Type: ApplicationFiled: July 22, 2013Publication date: July 23, 2015Inventors: Swen-Juri Bauer, Andreas Gruener, Uwe Grass
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Publication number: 20140246186Abstract: A heat exchanger assembly may include an intercooler and a housing which encloses said intercooler. The housing may be part of a charge air line. The housing may include a charge air inlet, a charge air outlet and an opening through which the intercooler can be inserted into the housing from one side. The housing may also include a recess on the side opposite the opening, into which recess the intercooler engages. The heat exchanger assembly may include an elastic seal arranged in the region of the recess between the intercooler and the housing. The seal may be configured to at least one of bridge the deformation of the housing occurring during pressure pulsations, bridge relative movements between the intercooler and the housing, and tightly connect the intercooler to the housing in all operating states preventing an undesirable bypass flow.Type: ApplicationFiled: July 26, 2012Publication date: September 4, 2014Applicants: Behr GmbH & Co., KG, Mahle International GmbHInventors: Veit Bruggesser, Andreas Eilemann, Uwe Grass, Rolf Mueller, Hubert Pomin, Christian Saumweber, Juergen Stehlig
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Patent number: 8821734Abstract: An oil purifying liquid filter, having an annular ring element receiving space, wherein the ring element has two axial end disks, a cover selectively fastened to a housing to close the receiving space, an inlet that is formed within the housing on a crude side, an outlet that is formed within the housing on a pure side, a first additional opening that is formed within the housing, a second additional opening that is formed within the cover, a first closure that is formed on the first end disk of the filter element in order to close the first additional opening, and a second closure that is formed on the second end disk of the filter element to selectively close the second additional opening.Type: GrantFiled: December 4, 2008Date of Patent: September 2, 2014Assignee: Mahle International GmbHInventors: Uwe Grass, Mike Schmid, Andreas Widmaier
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Patent number: 8534255Abstract: The invention relates to a valve unit for at least one of influencing and controlling a gas flow in an internal combustion engine comprising at least one valve member for modifying a cross-section of a gas flow-carrying channel through which a fluid flows and a drive train for rotatingly driving the at least one valve member. The drive train comprises an input shaft, which is drivingly coupled to a drive device in the mounted state, and at least one valve member shaft which is non-rotationally connected to the valve member. It is especially advantageous if the drive train comprises at least one phase adjuster for drivingly coupling the input shaft and the valve member shaft, a rotational position of the shafts in relation to each other being adjustable by the phase adjuster.Type: GrantFiled: July 13, 2009Date of Patent: September 17, 2013Assignee: Mahle International GmbHInventors: Alfred Elsasser, Uwe Grass, Bernd Mahr, Marco Warth
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Publication number: 20130228147Abstract: A hollow plastic part may include at least two plastic shells connected with one another at a respective edge along at least one joining plane. Each plastic shell may have at least a first component and a second component, wherein the plastic of the first component may have a lower melting temperature than the plastic of the second component. The first component may extend on at least one plastic shell in a caterpillar-like manner along at least part of the respective edge of the second component of this plastic shell.Type: ApplicationFiled: August 22, 2011Publication date: September 5, 2013Applicant: Mahle International GmbHInventors: Uwe Grass, Sven Alexander Kaiser
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Patent number: 8166940Abstract: A bearing device for supporting a camshaft in a cylinder head is disclosed. The bearing device comprising at least one locking contour, which is connected with at least one counter-locking contour configured at a cylinder head cover, such that the cylinder head cover is clamped tightly against the cylinder head by the bearing device.Type: GrantFiled: December 29, 2008Date of Patent: May 1, 2012Assignee: Mahle International GmbHInventors: Uwe Grass, Stefan Ruppel, Falk Schneider, Markus Walch
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Publication number: 20110265754Abstract: The invention relates to a valve unit for at least one of influencing and controlling a gas flow in an internal combustion engine comprising at least one valve member for modifying a cross-section of a gas flow-carrying channel through which a fluid flows and a drive train for rotatingly driving the at least one valve member. The drive train comprises an input shaft, which is drivingly coupled to a drive device in the mounted state, and at least one valve member shaft which is non-rotationally connected to the valve member. It is especially advantageous if the drive train comprises at least one phase adjuster for drivingly coupling the input shaft and the valve member shaft, a rotational position of the shafts in relation to each other being adjustable by the phase adjuster.Type: ApplicationFiled: July 13, 2009Publication date: November 3, 2011Applicant: Mahle International GmbHInventors: Alfred Elsässer, Uwe Grass, Bernd Mahr, Marco Warth
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Publication number: 20110089091Abstract: A filter device having a filter element received in a filter housing, the filter housing has an inlet and an outlet. The filter element separates a crude chamber that communicates with the inlet from a pure chamber that communicates with the outlet. The filter element has an axially and eccentrically projecting plug, which in an inserted state, is plugged into a plug receptacle formed within the filter housing, and wherein at least one signal generator recognizes at least one of a presence and an absence of the plug in the plug receptacle, generating at least one signal.Type: ApplicationFiled: December 4, 2008Publication date: April 21, 2011Inventors: Uwe Grass, Mike Schmid, Andreas Widmaier
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Publication number: 20110017650Abstract: An oil purifying liquid filter, having an annular ring element receiving space, wherein the ring element has two axial end disks, a cover selectively fastened to a housing to close the receiving space, an inlet that is formed within the housing on a crude side, an outlet that is formed within the housing on a pure side, a first additional opening that is formed within the housing, a second additional opening that is formed within the cover, a first closure that is formed on the first end disk of the filter element in order to close the first additional opening, and a second closure that is formed on the second end disk of the filter element to selectively close the second additional opening.Type: ApplicationFiled: December 4, 2008Publication date: January 27, 2011Inventors: Uwe Grass, Mike Schmid, Andreas Widmaier
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Publication number: 20100326392Abstract: A liquid filter system, having an annular first filter element that separates a crude side from a clean side in a first filter chamber and a first plug, which projects axially and eccentrically with respect to a longitudinal center axis of the first filter element and extends axially into a first plug receptacle after insertion in the first filter chamber. A annular second filter element that separates a crude side from a clean side in a second filter chamber and a second plug, which projects axially and eccentrically with respect to a longitudinal center axis of the second filter element and extends axially into a second plug receptacle after insertion in the second filter chamber, and wherein the filter elements differ from one another at least in that the plugs have at least one of different eccentricities and shapes.Type: ApplicationFiled: December 4, 2008Publication date: December 30, 2010Inventors: Uwe Grass, Mike Schmid, Andreas Widmaier
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Publication number: 20100089168Abstract: The present invention relates to an actuating device (12) with a pressure cell (1) for actuating mechanical systems by means of an actuating rod (13). To determine intermediate positions of the actuating rod (13) in a simple and inexpensive way, a housing (17) of the pressure cell (1) consists entirely or partially of a translucent plastic. Furthermore, a lug (4, 5) that is firmly connected to the actuating rod (13) is provided inside a chamber (14) of the pressure cell (1), with a light barrier (3, 6) arranged outside the pressure cell (1) to detect the position of the lug (4, 5).Type: ApplicationFiled: August 17, 2007Publication date: April 15, 2010Inventors: Werner Schnabel, Alessandro Spathas, Uwe Grass
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Publication number: 20090169142Abstract: The present invention relates to a bearing device (1), for supporting a camshaft (6) in a cylinder head (7), comprising at least one locking contour (3) which can be connected with at least one counter-locking contour (5) formed at a cylinder head cover (4) in a manner that the cylinder head cover (4) is clamped tightly against the cylinder head (7) via the bearing device (1).Type: ApplicationFiled: December 29, 2008Publication date: July 2, 2009Inventors: Uwe Grass, Stefan Ruppel, Falk Schneider, Markus Walch
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Patent number: 6936169Abstract: The invention relates to a liquid filter, especially an oil filter, for cleaning lubricating oil, especially for internal combustion engines of automobiles, comprising an upright filter housing which contains a receiving area for a ring-shaped filter insert that is inserted into said receiving area, an inlet channel for unclean liquid, an outlet for clean liquid, and an additional discharge channel which is exposed when the ring-shaped filter insert is removed. An eccentrically projecting pin is moulded to a lower end plate and sealingly penetrates an opening of the discharge channel when the ring-shaped filter insert is introduced into the filter housing.Type: GrantFiled: November 12, 2003Date of Patent: August 30, 2005Assignee: Mahle Filtersysteme GmbHInventors: Peter Baumann, Thomas Brieden, Hans Gebert, Benoít Monzie, Uwe Grass