Patents by Inventor Horst Friedrich

Horst Friedrich 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: 7048105
    Abstract: A friction clutch includes a housing arrangement connectable to a drive element for rotation in common about an axis of rotation, a plurality of first friction disks connected to the housing arrangement such that the first friction disks are fixed with respect to rotation and axially movable relative to the housing arrangement, a hub rotatable about the axis of rotation relative to the housing arrangement and having a plurality of radially outward-projecting connection arms, a plurality of second friction disks defining engagement opening therein being closed on radial inner sides thereof, wherein the connection arms of the hub engage the engagement openings of the second friction disks such that the second friction disks are fixed with respect to rotation and axially movable relative to the hub, and a force-exerting arrangement exerting a force for urging the first friction elements and the second friction elements into contact with each other.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: May 23, 2006
    Assignee: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Werner Selzam, Klaus-Peter Oberle, Michael Istschenko
  • Patent number: 6899462
    Abstract: In a linear antifriction bearing comprising a guide rail (1) which has a U-shaped cross section and on whose inner side raceways (4) parallel to the rail longitudinal direction are arranged, and comprising a running carriage (2) which can be displaced longitudinally and is supported by rolling elements (3) on the raceways (4) inside the guide rail (1), the rolling elements (3) are arranged in a plurality of endless tracks on a supporting body (5) of the running carriage (2). According to the invention, the supporting body (5) has an opening parallel to the raceways (4), and return channels are formed by a filling body (8) which is arranged in the opening and which has recesses (15) which run in the longitudinal direction to accommodate returning rolling elements (3).
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: May 31, 2005
    Assignee: Ina-Schaeffler KG
    Inventor: Horst Friedrich
  • Publication number: 20040262113
    Abstract: A pressing force transmission plate (126) for a friction clutch comprises an annular plate body (150) and at least one impingement area (152) for the introduction of a force exerted by an energy accumulator (130), preferably a diaphragm spring, wherein the plate body (150) and impingement area (152) are flexibly connected by a connection area (154), and wherein the plate body (150) and impingement area (152) form a leg spring arrangement.
    Type: Application
    Filed: June 22, 2004
    Publication date: December 30, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Thomas Rudolf, Horst Friedrich, Klaus Fischer, Jurgen Loiberbeck, Werner Selzam, Jan Wittholz, Arnold Huisjes
  • Publication number: 20040238310
    Abstract: A friction clutch includes a housing arrangement having an axis of rotation and an intermediate plate arrangement coupled to the housing arrangement for joint rotation therewith about an axis of rotation. The intermediate plate arrangement is arranged to transmit a pressure force and is preferably arranged between two frictional output members. The intermediate plate arrangement has two intermediate plate elements and an elastic prestressing arrangement therebetween. The two intermediate plate elements being displaceable with respect to one another counter to the action of the elastic prestressing arrangement.
    Type: Application
    Filed: August 19, 2003
    Publication date: December 2, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Klaus-Peter Oberle, Werner Selzam, Michael Istschenko
  • Publication number: 20040195067
    Abstract: A friction clutch includes a housing arrangement connectable to a drive element for rotation in common about an axis of rotation, a plurality of first friction disks connected to the housing arrangement such that the first friction disks are fixed with respect to rotation and axially movable relative to the housing arrangement, a hub rotatable about the axis of rotation relative to the housing arrangement and having a plurality of radially outward-projecting connection arms, a plurality of second friction disks defining engagement opening therein being closed on radial inner sides thereof, wherein the connection arms of the hub engage the engagement openings of the second friction disks such that the second friction disks are fixed with respect to rotation and axially movable relative to the hub, and a force-exerting arrangement exerting a force for urging the first friction elements and the second friction elements into contact with each other
    Type: Application
    Filed: February 20, 2004
    Publication date: October 7, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Werner Selzam, Klaus-Peter Oberle, Michael Istschenko
  • Publication number: 20040188215
    Abstract: A friction clutch includes a housing arrangement connectable to a drive element for rotation in common about an axis of rotation, a pressure plate connected to the housing arrangement such that the pressure plate is fixed with respect to rotation relative to the housing arrangement and axially movable relative to the housing arrangement, a force-exerting arrangement acting on a first axial side of the pressure plate to produce the engaged state of the friction clutch, and a friction disk connected to the housing arrangement such that the friction disk is fixed with respect to rotation relative to the housing arrangement and is axially movable relative to the housing arrangement. The friction disk has a ring-shaped friction lining carrier on which the second axial side of the pressure plate acts in the engaged state. The friction lining carrier carries at least one friction lining element on the axial side facing away from the pressure plate.
    Type: Application
    Filed: February 20, 2004
    Publication date: September 30, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Michael Istschenko, Werner Selzam, Horst Friedrich
  • Patent number: 6767506
    Abstract: A magnesium-based alloy containing at least 92 wt % magnesium, 2.7 to 3.3 wt % neodymium, 0.0 to 2.6 wt % yttrium, 0.2 to 0.8 wt % zirconium, 0.2 to 0.8 wt % zinc, 0.03 to 0.25 wt % calcium, and 0.00 to 0.001 wt % beryllium. The alloy may additionally contain up to 0.007 wt % iron, up to 0.002 wt % nickel, up to 0.003 wt % copper, and up to 0.01 wt % silicon, and incidental impurities. The alloy may contain from 0.2 to 0.5 wt % Zn, and from 0.03 to 0.15 wt % Ca, and 2.9-3.2 wt % Nd, 1.9-2.1 wt % Y, 0.3-0.5 wt % Zr, 0.2-0.4 wt % Zn, and 0.03-0.12 wt % Ca.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: July 27, 2004
    Assignees: Dead Sea Magnesium Ltd., Volkswagen AG
    Inventors: Boris Bronfin, Eliyahu Aghion, Frank Von Buch, Soenke Schumann, Horst Friedrich, Mark Katzir
  • Publication number: 20040112708
    Abstract: A triggering arrangement for a friction clutch includes at least one triggering element arrangeable on a clutch housing and is designed to interact with a pick-up arrangement to generate information relating to the rotary movement of the clutch housing about an axis of rotation. The at least one triggering element is of separate design from the clutch housing and is permanently connected or connectable thereto.
    Type: Application
    Filed: September 22, 2003
    Publication date: June 17, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Arnold Huisjes, Werner Selzam, Jorg Pankoke
  • Publication number: 20040104093
    Abstract: A pressure force transmission plate for a friction clutch includes a ring-like plate body which on a first axial side, with respect to a plate axis of rotation A, has a force transmission surface curved at least in a radial region.
    Type: Application
    Filed: August 11, 2003
    Publication date: June 3, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Werner Selzam
  • Publication number: 20040055845
    Abstract: A housing arrangement for a friction clutch including a ring-like housing wall region which has on its radially inward-facing inside a toothing formation for the rotary coupling of at least one friction member, the housing arrangement further including an annular disk-shaped housing bottom region integral with the housing wall region.
    Type: Application
    Filed: August 20, 2003
    Publication date: March 25, 2004
    Applicant: Sachs Race Engineering GmbH
    Inventors: Horst Friedrich, Arnold Huisjes, Elmar Unsleber, Jorg Pankoke
  • Publication number: 20030161556
    Abstract: In a linear antifriction bearing comprising a guide rail (1) which has a U-shaped cross section and on whose inner side raceways (4) parallel to the rail longitudinal direction are arranged, and comprising a running carriage (2) which can be displaced longitudinally and is supported by rolling elements (3) on the raceways (4) inside the guide rail (1), the rolling elements (3) are arranged in a plurality of endless tracks on a supporting body (5) of the running carriage (2).
    Type: Application
    Filed: January 24, 2003
    Publication date: August 28, 2003
    Applicant: INA-WALZLAGER SCHAEFFLER KG
    Inventor: Horst Friedrich
  • Publication number: 20030129074
    Abstract: A magnesium-based alloy containing at least 92 wt % magnesium, 2.7 to 3.3 wt % neodymium, 0.0 to 2.6 wt % yttrium, 0.2 to 0.8 wt % zirconium, 0.2 to 0.8 wt % zinc, 0.03 to 0.25 wt % calcium, and 0.00 to 0.001 wt % beryllium. The alloy may additionally contain up to 0.007 wt % iron, up to 0.002 wt % nickel, up to 0.003 wt % copper, and up to 0.01 wt % silicon, and incidental impurities. The alloy may contain from 0.2 to 0.5 wt % Zn, and from 0.03 to 0.15 wt % Ca, and 2.9-3.2 wt % Nd, 1.9-2.1 wt % Y, 0.3-0.5 wt % Zr, 0.2-0.4 wt % Zn, and 0.03-0.12 wt % Ca.
    Type: Application
    Filed: March 14, 2002
    Publication date: July 10, 2003
    Inventors: Boris Bronfin, Eliyahu Aghion, Frank Von Buch, Soenke Schumann, Horst Friedrich, Mark Katzir
  • Patent number: 6276505
    Abstract: A multi-disk clutch having a housing with a toothed ring and a cover connected to the toothed ring. The toothed ring, on an inner circumferential surface, has a plurality of disk carrier teeth distributed in the circumferential direction. At least one outer disk engages, of an external toothing, with the disk carrier teeth on the toothed ring. At least one inner disk is connected in rotation-proof fashion to a coupling hub. The clutch further has a pressure plate, and an energy storage device. The energy store device, in an outer circumferential area, has a recess associated with at least one disk carrier tooth that opens substantially radially outward and the disk carrier tooth engages in the recess.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: August 21, 2001
    Assignee: Sachs Race Engineering GmbH
    Inventors: Klaus Hofmann, Horst Friedrich
  • Patent number: 6250043
    Abstract: The invention relates to a method for laying floor coverings on sub-floors using a fast-setting thin screed, in which case one mixes a primer of the expanding cement-type K with 2, 3, 4, 5-tetrahydroxyadipic acid and either admixes latexed, ground hard fibers in combination with glass and/or polymerisate fibers as well as furthermore aminoacid-polycondensation fibers and polyurethane foam, adds to the entire substance a dispersion of a butadiene/styrene-copolymerisate containing carboxyl groups, dilutes the mixture with water, applies it to the sub-floor and allows it to dry and then one applies an aqueous synthetic resin dispersion with a water content of not more than 15% and lays the floor covering thereon or the primer material mixed with the 2, 3, 4, 5-tetrahydroxyadipic acid is diluted with water, the mixture is applied to the sub-floor and a mechanical, adhesive-free bond is brought about between the floor covering and sub-floor by providing a mixture, projecting from the sub-floor, or a) latexed, grou
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: June 26, 2001
    Assignee: Wulffe GmbH U. CO.
    Inventors: Ernst Dieckmann, Horst-Friedrich Schliffke, Ralf Hummelt
  • Patent number: 6216839
    Abstract: A friction coupling for use in particular in the drive train of a motor vehicle includes a clutch casing, a pressure plate which is guided in a rotationally fixed manner with respect to the clutch casing, at least one clutch disk and a spring device containing about 40-60% nickel. A method for coating a nickel-base material, in particular the above mentioned spring element for friction clutches, wherein at least part of the surface of the spring device contains boride, and also a method for producing such a spring device which includes a heat treatment are also disclosed.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: April 17, 2001
    Assignee: Sachs Race Engineering GmbH
    Inventors: Thomas Rudolf, Klaus Betten, Horst Friedrich, J├╝rgen Loibersbeck
  • Patent number: 6145643
    Abstract: A housing for a multiple-disc clutch includes a toothed ring having a plurality of disc-driving teeth arranged on an inner circumferential surface of the same so as to be distributed in the circumferential direction and extending in a ring longitudinal direction. A flywheel is connected to a first end of the toothed ring for common rotation and a cover is connected to a second end the toothed ring for common rotation. At least one component of the cover and flywheel is connected to the toothed ring by a fastening arrangement that does not include fastening bolts.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: November 14, 2000
    Assignee: Sachs Race Engineering GmbH
    Inventors: Udo Pinschmidt, Werner Selzam, Thomas Rudolf, Horst Friedrich, Claus Orth, Klaus Hofmann
  • Patent number: 6142276
    Abstract: A housing for a multiplate clutch includes a toothed ring having a plurality of multiplate driver teeth arranged on an inner peripheral surface thereof distributed in the peripheral direction, and extending in a ring longitudinal direction. A flywheel disk is connected to the toothed ring at a first end of the same for common rotation. A cover is connected to the toothed ring at a second end of the same for common rotation. In this case, the toothed ring is connected to the flywheel disk by welding.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: November 7, 2000
    Assignee: Sachs Race Engineering GmbH
    Inventors: Udo Pinschmidt, Thomas Rudolf, Werner Selzam, Horst Friedrich, Claus Orth, Klaus Hofmann
  • Patent number: 6070707
    Abstract: The invention relates to a friction clutch in which an axial play is provided between an inner disk and a hub of a clutch disk. The axial play can be influenced by a device during assembly of the friction clutch in an engine and transmission of a motor vehicle drivetrain such that the hub is displaced, within the axial play, into the position in the axial play which lies closest to a flywheel of the friction clutch.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: June 6, 2000
    Assignee: Sachs Race Engineering GmbH
    Inventors: Klaus Hofmann, Thomas Rudolf, Horst Friedrich, Claus Orth, Werner Selzam
  • Patent number: 6047803
    Abstract: A housing for a plate clutch having a toothed ring with a plurality of plate driving teeth which are arranged at an inner circumferential surface of the same so as to be distributed in the circumferential direction and which extend in a longitudinal direction of the ring. A flywheel is connected with the toothed ring at a first end of the same so as to rotate jointly therewith. A cover is connected with the toothed ring at a second end for joint rotation, wherein at least one of the flywheel and cover is connected with the toothed ring by a fastening arrangement. The fastening arrangement includes, in at least one of the plate driving teeth, a recess extending in the longitudinal direction of the ring and opening toward the one of either the flywheel and cover, and a fastening bolt element which is associated with this recess and which penetrates a fastening opening of either the flywheel or cover and projects into the associated recess.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: April 11, 2000
    Assignee: Sachs Race Engineering GmbH
    Inventors: Udo Pinschmidt, Thomas Rudolf, Werner Selzam, Claus Orth, Horst Friedrich, Klaus Hofmann
  • Patent number: D465578
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: November 12, 2002
    Inventors: Horst Friedrich, Jan Friedrich, Sven Friedrich