Patents by Inventor Patrick Jallat

Patrick Jallat 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).

  • Scroll refrigeration compressor with confluent bypass passage and flow passage
    Patent number: 9097253
    Abstract: The scroll compressor includes stationary and moving scrolls each including a scroll plate provided with a spiral wrap, the spiral wraps defining the variable-volume compression chambers, a separating plate mounted on the scroll plate of the stationary scroll and defining with the latter a first intermediate volume, and a delivery chamber defined by the separating plate and the sealed casing. The compressor includes a bypass passage arranged to communicate the first intermediate volume with an intermediate compression chamber, a flow passage arranged to communicate the first intermediate volume with the delivery chamber, and a bypass valve associated with the flow passage, each bypass valve associated with a flow passage mounted on the surface of the separating plate turned toward the delivery chamber and movable between closing and opening positions for closing and opening the flow passage.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: August 4, 2015
    Assignee: DANFOSS COMMERCIAL COMPRESSORS
    Inventors: Pierre Ginies, Jean-Francois Le Coat, Dominique Gross, Patrick Jallat, Stephane Watts
  • SCROLL REFRIGERATION COMPRESSOR
    Publication number: 20130309118
    Abstract: The scroll compressor includes stationary and moving scrolls each including a scroll plate provided with a spiral wrap, the spiral wraps defining the variable-volume compression chambers, a separating plate mounted on the scroll plate of the stationary scroll and defining with the latter a first intermediate volume, and a delivery chamber defined by the separating plate and the sealed casing. The compressor includes a bypass passage arranged to communicate the first intermediate volume with an intermediate compression chamber, a flow passage arranged to communicate the first intermediate volume with the delivery chamber, and a bypass valve associated with the flow passage, each bypass valve associated with a flow passage mounted on the surface of the separating plate turned toward the delivery chamber and movable between closing and opening positions for closing and opening the flow passage.
    Type: Application
    Filed: November 28, 2011
    Publication date: November 21, 2013
    Applicant: DANFOSS COMMERCIAL COMPRESSORS
    Inventors: Pierre Ginies, Jean-Francois Le Coat, Dominique Gross, Patrick Jallat, Stephane Watts