公开(公告)号：US11850655B2

公开(公告)日：2023-12-26

申请号：US16957519

申请日：2018-12-06

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Thorsten Matthias ,  Antonius Wolking ,  Guido Bayard

IPC: B21K1/24

CPC classification number: B21K1/24

Abstract: A matrix for shaping a valve preform has a circular through opening and a reduced conical section. The reduced conical section tapers from an outer diameter to a reduced cone inner diameter, the outer diameter being greater than or equal to the initial outer diameter of the valve preform, and the matrix inner diameter being smaller than the initial outer diameter.

公开(公告)号：US11035262B2

公开(公告)日：2021-06-15

申请号：US16487593

申请日：2017-02-21

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Andre Mareau ,  Stefan Kellermann ,  Antonius Wolking ,  Oliver Schulze ,  Andreas Heinek ,  Guido Bayard ,  Daniel Eisenring

IPC: F01L3/14 ,  F01L3/20 ,  F01L3/18 ,  F01P5/10 ,  F16K49/00

Abstract: A poppet valve (2) with a valve body (4) has a cavity (6), a coolant inlet port (8). A coolant outlet port (10). The coolant inlet port (8) and the coolant outlet port (10) are arranged on a valve stem (12) of the poppet valve (2). The cavity (6) extends into the valve stem (12) of the poppet valve (2) and into a valve head (14) of the poppet valve (2), wherein there is provided a coolant conducting element (16) within the cavity (6) and extending into the cavity (6) from the valve head (14) to the valve stem (12), where the coolant conducting element (16) in each case has a cross-section. The coolant conducting element (16) includes a pipe section (18) and a funnel section (20), and the coolant conducting element (16) extends concentrically to the poppet valve (2) in the cavity (6) of the poppet valve (2).

公开(公告)号：US20190338682A1

公开(公告)日：2019-11-07

申请号：US16480538

申请日：2017-01-25

Applicant: Federal-Mogul Valvetrain GMBH

Inventor： ANDRE MAREAU ,  Stefan Kellermann ,  Antonius Wolking ,  Oliver Schulze ,  Andreas Heinek ,  Guido Bayard ,  Daniel Eisenring

IPC: F01L3/14 ,  F16K1/32 ,  F16K49/00 ,  F01L3/06 ,  F01L3/20

Abstract: A method for the production for a semi-finished valve product (4), includes casting, forging, deep-drawing, pressing and/or drop-welding of one or several metal material into a semi-finished valve product (4) that corresponds to a circle segment of a valve cut open in the axial direction. A valve is produced by welding together at least two semi-finished valve products (4) into an internally cooled valve, with the weld running in the axial direction of the valve.

公开(公告)号：US11951561B2

公开(公告)日：2024-04-09

申请号：US17274586

申请日：2019-05-21

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Thorsten Matthias ,  Antonius Wolking

IPC: B23K20/12 ,  B23K13/01 ,  B23K103/04 ,  F01L3/20

CPC classification number: B23K20/129 ,  B23K13/01 ,  B23K2103/04 ,  F01L3/20

Abstract: A method for producing a cavity valve is provided. The method includes providing a valve body which has a cavity in the interior. The valve body has a circular opening having an opening edge surface on a bottom side. A circular valve cover with a cover edge surface is provided. Inductive heating of at least one of the opening edge surface or the cover edge surface takes place and then welding the valve body to the valve cover by friction welding of the opening edge surface to the cover edge surface.

公开(公告)号：US11260448B2

公开(公告)日：2022-03-01

申请号：US16625292

申请日：2018-03-06

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Thorsten Matthias ,  Antonius Wolking ,  Guido Bayard ,  Andreas Heinek

IPC: B21K1/22 ,  B21C23/20

Abstract: Disclosed is a method for the production of a valve body of a hollow chamber valve, said method comprising: providing a bowl-shaped semi-finished product having an annular wall, which surrounds a hollow chamber, and a bottom portion, followed by a lengthening of the wall and a final reducing of an outer diameter of the annular wall in order to obtain a predetermined valve shaft outside diameter of a valve that is to be produced. Further disclosed is a hollow chamber valve produced by means of said method.

公开(公告)号：US11035261B2

公开(公告)日：2021-06-15

申请号：US16480538

申请日：2017-01-25

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Andre Mareau ,  Stefan Kellermann ,  Antonius Wolking ,  Oliver Schulze ,  Andreas Heinek ,  Guido Bayard ,  Daniel Eisenring

IPC: F01L3/14 ,  F01L3/06 ,  F01L3/20 ,  F16K1/32 ,  F16K49/00

Abstract: A method for the production for a semi-finished valve product (4), includes casting, forging, deep-drawing, pressing and/or drop-welding of one or several metal material into a semi-finished valve product (4) that corresponds to a circle segment of a valve cut open in the axial direction. A valve is produced by welding together at least two semi-finished valve products (4) into an internally cooled valve, with the weld running in the axial direction of the valve.

公开(公告)号：US11788440B2

公开(公告)日：2023-10-17

申请号：US17232637

申请日：2021-04-16

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Antonius Wolking ,  Luthfi Arief ,  Florian Ringeling

IPC: F01L1/32 ,  F01L1/46 ,  F01L3/10

CPC classification number: F01L1/32 ,  F01L1/462 ,  F01L3/10 ,  F01L2303/00

Abstract: A cover body (2) for a valve rotating device includes a ring-shaped upper part (4) and a ring-shaped lower part (6). The upper part (4) and the lower part (6) are axially spaced apart and are adapted to accommodate an axial spring element (24) therebetween. The upper part (4) and the lower part (6) are connected to one another by at least one connecting piece arranged at the location opposite an insertion position of the axial spring element (24).
A valve rotating device (12) having such a cover body is also provided. A ring-shaped base body (22) has a plurality of pockets (16) oriented in a circumferential direction, in each of which a ball (14) and a tangential spring (32) are arranged. The pockets (16) have a variable depth in the circumferential direction such that inclined raceways (26) for the balls (14) arranged therein are formed. The tangential springs (32) push the balls (14) toward an end of the respective pocket (16). The axial spring element (24) is ring-shaped and a first end of the axial spring element (24) is supported on an ring-shaped stop surface (18) of the base body (22) and a second end of the axial spring element (24) is supported on a surface of the upper part (4) of the cover. A surface of the lower part (6) facing away from the axial spring element (24) rests against the balls (14), and wherein the halls (14) and the axial spring element (24) are arranged overlapping in the axial direction.
A method for producing a cover both (2) for a valve rotating device is also provided.

公开(公告)号：US11732622B2

公开(公告)日：2023-08-22

申请号：US17057469

申请日：2019-04-18

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Thorsten Matthais ,  Antonius Wolking ,  Guido Bayard

IPC: F01L3/14 ,  B21D22/16 ,  B21K1/22

CPC classification number: F01L3/14 ,  B21D22/16 ,  B21K1/22 ,  F01L2301/00

Abstract: A method for producing a valve body of a hollow valve with optimised interior stem geometry includes a preform with a valve plate and a tubular wall surrounding a cavity. Flow forming the tubular wall over a flow-forming mandrel, which is inserted into the cavity to enlarge a length of the tubular wall. An interior area of the tubular wall is embossed with a structure either due to the fact that the flow-forming mandrel is a structuring mandrel having a surface structure, or alternatively, because the method includes a further step of reducing an outer diameter of the tubular wall by swaging or drawing and ironing over a structuring mandrel. Furthermore, a hollow valve is produced by this method.

公开(公告)号：US11311964B2

公开(公告)日：2022-04-26

申请号：US16767276

申请日：2018-08-07

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Guido Bayard ,  Stefan Kellerman ,  Antonius Wolking ,  Luthfi Arief

IPC: F01L3/02 ,  F01L3/20 ,  B23K20/12 ,  B21K1/20 ,  F01L3/14 ,  F01P3/14 ,  B22F3/22

Abstract: A method for manufacturing an internally cooled valve (2), includes providing a valve body (4) having a valve stem (6) that ends in a valve head (8). The valve body (4) has a cavity (10) that is open toward the valve head (8) and with a valve base element (12) by friction welding the valve base element (12) to the valve head (8). The valve bottom element (12) is preferably a sintered component.

公开(公告)号：US11813658B2

公开(公告)日：2023-11-14

申请号：US17437762

申请日：2020-02-10

Applicant: FEDERAL-MOGUL VALVETRAIN GMBH

Inventor： Thorsten Matthias ,  Antonius Wolking ,  Johannes Knust

IPC: B21D53/84 ,  B21K1/22 ,  F01L3/20 ,  B21D51/10 ,  B23P15/00

CPC classification number: B21D53/84 ,  B21D51/10 ,  B21K1/22 ,  B23P15/002 ,  F01L3/20 ,  F01L2303/00 ,  F01L2303/01

Abstract: A method for producing a valve body of a hollow valve includes providing a workpiece blank or semi-finished product, spin extruding the workpiece to produce a preform having a cup with a hollow shape formed by the cup wall. A hollow valve produced by this method is also provided.