Patents by Inventor Ernst Sander

Ernst Sander 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).

  • Refrigeration method and refrigerating apparatus for carrying out the method
    Patent number: 3953983
    Abstract: Refrigerating apparatus and method including a compressor refrigerating system and an absorber refrigerating system having respective separated closed circuits in operative relationship with respect to one another such that a coolant from the compressor system is usable for cooling a refrigerant of the absorber system. The compressor and absorber system are alternatingly operated to cool a common container with refrigerant store of the absorber system being replenished during operation of the compressor system by boiling out refrigerant from an absorber composition utilizing heat from coolant compressed and heated by a compressor of the compressor system.
    Type: Grant
    Filed: April 8, 1974
    Date of Patent: May 4, 1976
    Assignee: Friedrich Knopsmeier
    Inventor: Ernst Sander