Patents by Inventor Andrezej Pilawski

Andrezej Pilawski 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).

  • Publication number: 20140291559
    Abstract: A slide valve having a valve slide which can be acted on by an actuator in a first direction, and by an impingement device in a second direction which is opposite the first direction, and which may hydraulically connect a first working connection to an inlet connection or to an outlet connection, and a second working connection to the inlet connection or to the outlet connection, with the aid of control sections. A control section associated with the first working connection has a diameter stage and/or an axially extending groove and/or an axially extending flattened portion, so that when the actuator does not act on the valve slide, the first working connection is hydraulically connected to the outlet connection with the aid of the diameter stage and/or the groove and/or the flattened portion.
    Type: Application
    Filed: June 6, 2012
    Publication date: October 2, 2014
    Inventor: Andrezej Pilawski