Patents by Inventor Franz Fuchs

Franz Fuchs 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).

  • Publication number: 20040159650
    Abstract: A method and device for limiting and/or controlling the surface temperature of a hob having a ceramic cooking surface. The hob is heated by an energy source which includes a temperature limiter with a variable switching temperature. The switching temperature of the temperature limiter is varied during a cooking procedure according to a predetermined switching temperature-time profile.
    Type: Application
    Filed: November 7, 2003
    Publication date: August 19, 2004
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventors: Herbert Steiner, Tonoha Ramones, Gunter Zschau, Peter Blumenthal, Johann Huber, Andreas Marbach, Monika Zeraschi, Bernd Stitzl, Franz Fuchs, Dan Neumayer, Jose-Andres Garcia, Ernst Schweidler
  • Patent number: 5803851
    Abstract: A chain drive (1), in particular for lifting devices, having a chain (3) which rotates about a chain wheel (2) and whose oval links (6) which are rotated in an alternate manner about 90.degree. interact as vertical and horizontal links with the chain wheel, wherein the horizontal links (6i) are received in pockets (7) of the chain wheel with substantially planar support surfaces (6) and can be supported with their curved ends (6') on teeth (10) which comprise convex flanks (12) and the vertical links (6s) are positioned in a groove (11) between the teeth, wherein the wire cross-section of the chain links (6) is a rectangle having a curvature adjoined thereto towards the inner part of the link and the convex flanks (12) and the planar support surfaces (8) contact each other in a substantially direct manner, i.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: September 8, 1998
    Assignee: Pewag Austria GmbH
    Inventors: Gerard Walenta, Franz Fuchs
  • Patent number: 5029807
    Abstract: A valve for sealing a conduit under pressure has an armature (12) cooperating with two springs, a permanent magnet, and a solenoid coil. The force of the permanent magnet is used to cock a spring and thereby stored primarily as a spring force when the valve is in any of its two end positions. THe spring force is slightly smaller than the permanent magnetic force of the permanent magnet, and this slightly smaller spring force is effective on a valve stem through a sleeve in a direction opposite to that of the permanent magnetic force. The permanent magnetic force is, for example, stored in a Belleville spring and additionally in a helical or conical spring which provides an extra valve biasing force. In order to open the valve, the solenoid coil (9) of an electromagnet is energized to counteract the force of the permanent magnet to an extent slightly below the stored spring force.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: July 9, 1991
    Assignee: Messerschmitt-Boelkow-Blohm GmbH
    Inventor: Franz Fuchs
  • Patent number: 4543991
    Abstract: An electromagnetic double-valve can synchronously regulate or control the ow of two materials without the need of a costly mechanical linkage between the two individual valves which may be arranged in a common housing. An armature serves as the valve body or plug in each valve and is held in one valve position by permanent magnets and is switched to the other valve position by a synchronously controlled electromagnetic coil or coils which are connected in series. When one armature is lifted quicker than the other by the electromagnet or magnets, then the total magnetic flux decreases, whereby the second armature is also lifted. The synchronization of the switching operation is enforced by the common, spacially closed magnetic flux through both armatures and by the common effect on both armatures by the electromagnetic coil or coils.
    Type: Grant
    Filed: August 11, 1983
    Date of Patent: October 1, 1985
    Assignee: Messerschmitt-Boelkow-Blohm Gesellschaft mit beschraenkter Haftung
    Inventor: Franz Fuchs
  • Patent number: 4234009
    Abstract: A straight flow seat valve, comprising, a valve housing with a valve chamber therein having an inlet at one end and an outlet at the opposite end which is coaxial with the inlet. A control cylinder is supported in the valve chamber between the outlet and inlet and has a control fluid inlet extending out of the housing for the admission of a control fluid into the chamber in order to move a piston against a spring-biasing force so as to shift a seat body having a seat surface in engagement with a seat adjacent the outlet end so that it is lifted off the seat to open the valve. The seat body is advantageously streamlined at each end to permit flow around it from the inlet around the valve and out through the outlet. In the pressureless state, the spring urges the surface of the seat body onto the valve seat to close the valve.
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: November 18, 1980
    Assignee: Messerschmitt-Bolkow-Blohm GmbH
    Inventor: Franz Fuchs