Patents by Inventor Loïc DARCEL

Loïc DARCEL 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).

  • Patent number: 9249040
    Abstract: A sludge treatment plant includes an extended floor with a work surface for receiving a mass of spread-out sludge and a movable carriage positioned transversely above the work surface. The movable carriage includes a displacement tool designed to carry the sludge towards a terminal part of the work surface. A withdrawal tool transfers the sludge towards an outlet channel. The outlet channel includes a screw conveyor associated with a rotational drive system and equipped with a heating element. A controller adjusts the temperature in this screw conveyor to a predetermined value between 90° C. and 100° C., while adjusting the rotational drive of the screw conveyor in order to obtain a residence time of the sludge within this screw conveyor to a predetermined value of greater than 4 hours.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: February 2, 2016
    Assignee: AQUALTER DEVELOPPEMENT
    Inventors: Loïc Darcel, Olivier Bernat
  • Patent number: 8910395
    Abstract: In a sludge treatment installation, a movable carriage is arranged transversely above a work surface of a floor. The movement of the carriage by longitudinal translation over the floor is initiated by a first drive shaft carrying a toothed wheel meshing with a drive chain. A second chain helps to guide the carriage. On the carriage is provided a rotary turning tool which engages in the sludge. Driven in rotation by a second drive shaft independent of the first, it includes pairs of semi-cylindrical paddles fixed substantially symmetrically by one of their edges on either side of a shaft driven by the second drive shaft. The two paddles in each pair of paddles are asymmetrical as a result of having different radii, with a difference at least equal to about 5%. Forced ventilation acts directly on the paddles.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: December 16, 2014
    Assignee: Aqualter
    Inventor: Loic Darcel
  • Publication number: 20140263046
    Abstract: A sludge treatment plant includes an extended floor with a work surface for receiving a mass of spread-out sludge and a movable carriage positioned transversely above the work surface. The movable carriage includes a displacement tool designed to carry the sludge towards a terminal part of the work surface. A withdrawal tool is provided in order to transfer the sludge towards an outlet channel. The outlet channel includes a screw conveyor associated with a rotational drive system and equipped with a heating element. A controller is fitted in order to adjust the temperature in this screw conveyor substantially to a predetermined value between 90° C. and 100° C., while adjusting the rotational drive of the screw conveyor in order to obtain a residence time of the sludge within this screw conveyor substantially to a predetermined value of greater than 4 hours.
    Type: Application
    Filed: February 2, 2012
    Publication date: September 18, 2014
    Applicant: AQUALTER DEVELOPPEMENT
    Inventors: Loic Darcel, Olivier Bernat
  • Publication number: 20120017461
    Abstract: In a sludge treatment installation, a movable carriage is arranged transversely above a work surface of a floor. The movement of the carriage by longitudinal translation over the floor is initiated by a first drive shaft carrying a toothed wheel meshing with a drive chain. A second chain helps to guide the carriage. On the carriage is provided a rotary turning tool which engages in the sludge. Driven in rotation by a second drive shaft independent of the first, it includes pairs of semi-cylindrical paddles fixed substantially symmetrically by one of their edges on either side of a shaft driven by the second drive shaft. The two paddles in each pair of paddles are asymmetrical as a result of having different radii, with a difference at least equal to about 5%. Forced ventilation acts directly on the paddles.
    Type: Application
    Filed: July 8, 2011
    Publication date: January 26, 2012
    Applicant: AQUALTER
    Inventor: Loïc DARCEL