Patents by Inventor Alfons Junemann

Alfons Junemann 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: 7648344
    Abstract: Disclosed is a liquid ring pump with one or several stages, each of which comprises a working chamber, an impeller that is eccentrically mounted therein, flat control disks that axially delimit the working chamber on both sides, and ducts or chambers that are located adjacent to the control disks and deliver and discharge the transport gas to and from the working chamber. The inventive liquid ring pump is characterized in that the control disks are embodied in the same manner with identical suction ports and pressure ports while ports that are not needed are covered on the side facing away from the impeller.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: January 19, 2010
    Assignee: Sterling Fluid Systems (Germany) GmbH
    Inventors: Bernd Wenckebach, Silke Heetsch, Alfons Jünemann
  • Patent number: 7563075
    Abstract: A liquid ring pump comprises a first housing part that radially encloses two or more working chambers in which a rotatably mounted impeller is disposed in an eccentric manner, second and third housing parts that seal both sides of the first housing part and the pump, ducts or chambers for delivering and discharging the conveyed gas, and control disks that delimit the working chambers in an axial direction. The first housing part is embodied as a single piece while a connecting duct is provided which extends from the second to the third housing parts, and the ports facing the respective adjacent housing parts are configured such that the second and third housing parts can be embodied in an identical manner.
    Type: Grant
    Filed: May 4, 2004
    Date of Patent: July 21, 2009
    Assignee: Sterling Fluid Systems (Germany) GmbH
    Inventors: Bernd Wenckebach, Silke Heetsch, Alfons Jünemann
  • Publication number: 20070065298
    Abstract: A liquid ring pump comprises a first housing part that radially encloses two or more working chambers in which a rotatably mounted impeller is disposed in an eccentric manner, second and third housing parts that seal both sides of the first housing part and the pump, ducts or chambers for delivering and discharging the conveyed gas, and control disks that delimit the working chambers in an axial direction. The first housing part is embodied as a single piece while a connecting duct is provided which extends from the second to the third housing parts, and the ports facing the respective adjacent housing parts are configured such that the second and third housing parts can be embodied in an identical manner.
    Type: Application
    Filed: September 2, 2004
    Publication date: March 22, 2007
    Inventors: Bernd Wenckebach, Silke Heetsch, Alfons Junemann
  • Patent number: 5800146
    Abstract: A liquid ring gas pump has a pressure space and a pressure pipe connected to the top of the pressure space. A tubular silencer is suspended from the pressure pipe and extends into the pressure space. The silencers are detachable and may be inserted through the pressure pipe. The detachable silencers are retained by an elastic ring retained in a ring-shaped groove of the pressure pipe.
    Type: Grant
    Filed: June 17, 1997
    Date of Patent: September 1, 1998
    Assignee: SIHI GmbH & Co. KG
    Inventors: Alfons Junemann, Gunther Struck