Patents by Inventor Hakan Saletti

Hakan Saletti 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).

  • Rotary displacement compressor having adjustable internal volume ratio and a method for regulating the internal volume ratio
    Patent number: 5411387
    Abstract: A rotary displacement compressor has an adjustable regulator (22) which determines the internal volume ratio of the compressor. The regulator (22) is adjusted in response to the sound level of a sound of compressed working medium, which is sensed by a sound sensor (26) located adjacent to the outlet port (20 ) of the compressor.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: May 2, 1995
    Assignee: Svenska Rotor Maskiner AB
    Inventors: Stig Lundin, Hakan Saletti