Patents by Inventor Christiaan Van Dyck

Christiaan Van Dyck 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).

  • Regulating device with starting and stopping device for screw-type compressors, and starting and stopping device used hereby
    Patent number: 5531571
    Abstract: A regulating device for screw-type compressors, which contain a compressor dement (1), an electrical motor (2) to drive the compressor element (1), a minimum pressure valve (4) which is mounted on the outlet (5) of the compressor element (1) and a vessel (6) which is mounted between the compressor element (1) and the minimum pressure valve (4), includes a controller which causes the motor (2) to turn at a frequency-regulated rotational speed at an almost constant pressure in the vessel (6), and a non-return valve (12) which is mounted on the inlet (10) of the compressor element (1) to aid in starting and stopping the motor.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: July 2, 1996
    Assignee: Atlas Copco Airpower, naamloze vennootschap
    Inventor: Christiaan Van Dyck