Patents by Inventor Lucia Hinkovska
Lucia Hinkovska 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: 8434437Abstract: A valve drive system (1) having a support element (2) and a switchable cam follower (3) that is linked on this support element in an articulated way is provided. The cam follower (3) is made from an outer lever (4) between whose arms (5) runs an inner lever (6), wherein at least the outer lever (4) is provided on its top side (7) with a contact surface (8) for a lifting cam, n the inner lever (6) has, on a bottom side (9) on a first end (10), a contact (11) for a gas-exchange valve and at least on the other end (12) two side walls (13) that are spaced apart and in which extend opposing boreholes (14). The side walls (13) are bridged by a tubular axle piece (15) that sits in the boreholes (14) and in whose opening (16) run two diametrically opposed coupling pistons (17).Type: GrantFiled: April 26, 2010Date of Patent: May 7, 2013Assignee: Schaeffler Technologies AG & Co. KGInventors: Stefan Gemein, Lucia Hinkovska, Arne Manteufel
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Patent number: 8240285Abstract: A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket basic body with a ring-like base. A hollow-cylindrical projection protrudes from an inner edge of the base, and in the bore of the projection an inner body extends. Two coupler pistons lie opposite one another and, to achieve full valve stroke, engage in sections with a driver surface of the bucket basic body which run in a radial hole of the inner body. A zero valve stroke is achieved when the coupler piston is displaced completely into the radial hole of the inner body, which is baseless and free of contact with a cam. The projection has a window-like aperture, with the underside acting as the driver surface for an upper side of the coupler piston during coupling. The region of the base is an approximately symmetrical and continuously thin-walled formation.Type: GrantFiled: February 1, 2008Date of Patent: August 14, 2012Assignee: Schaeffler Technologies AG & CO. KGInventors: Lucia Hinkovska, Sandra Schaefer, Lothar Von Schimonsky, Norbert Nitz, Mario Kuhl, Michael Haas
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Patent number: 8161929Abstract: The invention proposes a switchable tappet (1) of a valve train of an internal combustion engine, said tappet comprising a hollow cylindrical housing (3) comprising a bottom (2), an inner element (5) being guided for relative axial displacement in a bore (4) of the housing (3), an at least indirect support for a gas exchange valve extending on a cam-distal front end (6) of the inner element (5), two diametrically opposing pistons as coupling elements (8) being arranged in a radial bore (7) of the inner element (5), which coupling elements (8), for effecting coupling [full valve lift], can be displaced partly beyond a parting surface (9) between the housing (3) and the inner element (5) into an entraining surface (12) of the housing (3) by the force of a compression spring (10a) clamped between inner front ends (10) of the coupling elements (8), wherein the entraining surface (12) is an direct constituent of a separate annular member (13) that is fixed in a cam-distal region of the bore (4) of the housing (3),Type: GrantFiled: November 19, 2008Date of Patent: April 24, 2012Assignee: Schaeffler KGInventors: Mario Kuhl, Lothar von Schimonsky, Norbert Nitz, Lucia Hinkovska, Sandra Schäfer
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Patent number: 8001940Abstract: A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket base body with a ring-shaped base guided by a skirt projecting from the outer edge of the base in a bore of the engine. A lifting cam acts on the base and a hollow cylindrical extension projects from an inner edge of the base. In the bore, an inner body is axially movable relative to the bucket base body and, formed in the underside of the inner body, is a support for indirect contact with a gas exchange valve. A coupling piston, which has a flattened portion on its upper side, runs in a bore of the inner body and is engaged with a driver surface for full valve lift. A lost motion spring acts between the bucket base body and inner body.Type: GrantFiled: January 30, 2008Date of Patent: August 23, 2011Assignee: Schaeffler KGInventors: Peter Sailer, Mario Kuhl, Lucia Hinkovska, Sandra Schaefer
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Publication number: 20100275864Abstract: A valve drive system (1) having a support element (2) and a switchable cam follower (3) that is linked on this support element in an articulated way is provided. The cam follower (3) is made from an outer lever (4) between whose arms (5) runs an inner lever (6), wherein at least the outer lever (4) is provided on its top side (7) with a contact surface (8) for a lifting cam, n the inner lever (6) has, on a bottom side (9) on a first end (10), a contact (11) for a gas-exchange valve and at least on the other end (12) two side walls (13) that are spaced apart and in which extend opposing boreholes (14). The side walls (13) are bridged by a tubular axle piece (15) that sits in the boreholes (14) and in whose opening (16) run two diametrically opposed coupling pistons (17).Type: ApplicationFiled: April 26, 2010Publication date: November 4, 2010Applicant: Schaeffler Technologies GmbH & Co. KGInventors: Stefan Gemein, Lucia Hinkovska, Arne Manteufel
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Publication number: 20100077975Abstract: A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket basic body with a ring-like base. A hollow-cylindrical projection protrudes from an inner edge of the base, and in the bore of the projection an inner body extends. Two coupler pistons lie opposite one another and, to achieve a full valve stroke, engage in sections with a driver surface of the bucket basic body which run in a radial hole of the inner body. A zero valve stroke is achieved when the coupler piston is displaced completely into the radial hole of the inner body, which is baseless and free of contact with a cam. The projection has a window-like aperture, with the underside acting as the driver surface for an upper side of the coupler piston during coupling. The region of the base is an approximately symmetrical and continuously thin-walled formation.Type: ApplicationFiled: February 1, 2008Publication date: April 1, 2010Applicant: SCHAEFFLER KGInventors: Lucia Hinkovska, Sandra Schaefer, Lothar Von Schimonsky, Norbert Nitz, Mario Kuhl, Michael Haas
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Publication number: 20090314237Abstract: A switchable bucket tappet for a valve drive of an internal combustion engine, which has a bucket base body with a ring-shaped base guided by a skirt projecting from the outer edge of the base, in a bore of the engine. A lifting cam acts on the base and a hollow cylindrical extension projects from an inner edge of the base. In the bore, an inner body is axially movable relative to the bucket base body and, formed in the underside of the inner body, is a support for indirect contact with a gas exchange valve. A coupling piston, which has a flattened portion on its upper side, runs in a bore of the inner body and is engaged with a driver surface for full valve lift. A lost motion spring acts between the bucket base body and inner body.Type: ApplicationFiled: January 30, 2008Publication date: December 24, 2009Applicant: SCHAEFFLER KGInventors: Peter Sailer, Mario Kuhl, Lucia Hinkovska, Sandra Schaefer
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Publication number: 20090159029Abstract: The invention proposes a switchable tappet (1) of a valve train of an internal combustion engine, said tappet comprising a hollow cylindrical housing (3) comprising a bottom (2), an inner element (5) being guided for relative axial displacement in a bore (4) of the housing (3), an at least indirect support for a gas exchange valve extending on a cam-distal front end (6) of the inner element (5), two diametrically opposing pistons as coupling elements (8) being arranged in a radial bore (7) of the inner element (5), which coupling elements (8), for effecting coupling [full valve lift], can be displaced partly beyond a parting surface (9) between the housing (3) and the inner element (5) into an entraining surface (12) of the housing (3) by the force of a compression spring (10a) clamped between inner front ends (10) of the coupling elements (8), wherein the entraining surface (12) is an direct constituent of a separate annular member (13) that is fixed in a cam-distal region of the bore (4) of the housing (3),Type: ApplicationFiled: November 19, 2008Publication date: June 25, 2009Inventors: Mario Kuhl, Lothar von Schimonsky, Norbert Nitz, Lucia Hinkovska, Sandra Schafer