Patents by Inventor Albert Rappen

Albert Rappen 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: 5865617
    Abstract: A replaceable nozzle for use in high temperature environments. The nozzle includes a high-temperature-resistant, metal nozzle body that at least partially penetrates into the high temperature environment and a pipe that is connected to the nozzle body for supplying fluid. The nozzle also includes an expansion collar made of a high-temperature-resistant material, a nozzle block and a separating surface or a separating layer of high-temperature-resistant, elastic material. The expansion collar is designed to be disposed between the metal nozzle body and the nozzle block.
    Type: Grant
    Filed: September 2, 1997
    Date of Patent: February 2, 1999
    Assignee: VSR Engineering GmbH Fordertechnik
    Inventors: Albert Rappen, Peter Jager
  • Patent number: 5318168
    Abstract: A disc retarding conveyor comprises at least one continuous tractive element. At least two-part static plates are mounted on the tractive element. The static plates are separated from each other at a distance in the tractive direction. The static plates are divided in the cross-sectional plane of the tractive element into two preferably identical halves. Each half has a radial cut hole which permits the halves of the static plate to be mounted concentrically onto the tractive element.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: June 7, 1994
    Assignee: VSR Engineering GmbH Fordertechnik
    Inventor: Albert Rappen
  • Patent number: 5246102
    Abstract: A closed belt conveyor arrangement for transporting material along a conveyor path having a support structure for supporting the conveyor belt and a plurality of roller elements. The support structure including an elongated support profile beam, supports attached directly to the support profile beam for supporting the profile beam, and a plurality of roller support frames attached independently of the supports to the support profile beam wherein the support profile beam is the only structural supporting element extending between the roller support frames.
    Type: Grant
    Filed: January 23, 1992
    Date of Patent: September 21, 1993
    Assignee: VRS Engineering GmbH Fordertechnik
    Inventors: Albert Rappen, Joachim Holz
  • Patent number: 5131530
    Abstract: A slide cushion for absorbing shocks and supporting conveying belts, particularly at conveying belt transfers, with at least one lengthways oriented base plate and at least one supporting plate, whereby the base plate is furnished with a sliding surface layer and at least one elastic shock absorbing layer, a universal employment and a simple carrying out of servicing and replacement of worn parts is possible in that the base plate and the supporting plate are furnished with corresponding projections and indentations and the base plate is attached to the supporting plate in a form-locking and detachable manner. At the same time the supporting plate can, by means of the opposing longitudinal and lateral stays which lock and clamp together, fit in an optimal position under the conveying belt.
    Type: Grant
    Filed: September 18, 1990
    Date of Patent: July 21, 1992
    Assignee: VSR Engineering GmbH
    Inventor: Albert Rappen
  • Patent number: 5114000
    Abstract: Stripping device for cleaning conveyer belts, with a bearing axis for stripping arm that can be mounted on it by holding brackets. An axis-parallel pivot axis for the corresponding stripping arm is arranged above the bearing axis. The stripping arm is also supported against the bearing axis or holding bracket by a spring member. As a result, the stripping arm or its scraping blade is always pressed properly against the conveyer belt to be cleaned, and optimal as well as low-wear cleaning effect is achieved.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: May 19, 1992
    Assignee: VSR Engineering GmbH
    Inventor: Albert Rappen
  • Patent number: 5074472
    Abstract: This invention is for a mist spraying device which is comprised of a multi-medium nozzle which is attached within a mist spray bowl to an adapter head by which the device is connected to the media supply lines. The adapter head can be swivelled about an axis which forms an angle .alpha. of between 15.degree. and 45.degree. with respect to a central axis of the mist spray bowl.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: December 24, 1991
    Assignee: VSR Engineering GmbH
    Inventor: Albert Rappen
  • Patent number: 4838409
    Abstract: A scraper device to clean conveyor belts includes a bearing axle located below the conveyor belt for a blade holder having spring arms which can be mounted on the axle. The holder carries scraper blades at the end which in a preset angle of pitch are pressed against the conveyor belt. The spring arms comprise parallel guide rods of resilient material. The arms support the blade in a vertical position pressed against the lower segment of the belt. The angle of pitch is, in an advancing position of the scraper blades, maximally up to 10.degree.. In this way, with minimal wear and tear, optimum cleaning effects are achieved which, at the same time, show careful treatment of the belts.
    Type: Grant
    Filed: March 2, 1987
    Date of Patent: June 13, 1989
    Assignee: VSR Engineering GmbH Fordertechnik
    Inventor: Albert Rappen
  • Patent number: 4767024
    Abstract: A blowing device for the elimination of compactions in bulk material storage silos by using air blasts, includes a compressed air storage container, a compressed air supply duct, a compressed air outflow duct and an interposed rapid exit valve. The rapid exit valve has a conduit in which a valve closure is guided whereby the conduit turns into the compressed air supply duct forming an afflux cross-section for the valve piston over a miter cut or tube turn. The afflux cross-section is selected to be significantly greater than the outflow cross-section in the compressed air outflow duct. In this way, the flow losses, and pressure losses, otherwise customary are considerably reduced, so that extremely high flow velocities can be achieved in the compressed air outflow duct until the velocity of sound is reached. The result is a rapid impulse-like discharge of the compressed air storage container and, consequently, faultless elimination of possible compactions.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: August 30, 1988
    Assignee: VSR Engineering GmbH Fordertechnik
    Inventor: Albert Rappen