Patents Assigned to Cooltech Applications
  • Patent number: 7650756
    Abstract: The present invention concerns a device for generating thermal units using magnetocaloric material, with low energy consumption, evolutive, of a simple design, reliable operation, which allows to generate thermal units in a cost effective way while at the same time removing the risks of thermal fluid leakage and limiting the number of mechanical parts. The device (1a) for generating thermal units using magnetocaloric material comprises a magnetic element (2a) coupled to a power supply (3a), a magnetocaloric element (4a), a circuit (5) for thermal exchange fluid in which one or more thermal exchange fluids are made to circulate by means of circulation (6), and two heat exchangers (7, 8). The power supply (3a) is set up to generate electric pulses so as to create an impulsive magnetic field that causes the heating and the cooling of the magnetocaloric element (4a) and hence of the thermal exchange fluid.
    Type: Grant
    Filed: April 21, 2005
    Date of Patent: January 26, 2010
    Assignee: Cooltech Applications
    Inventors: Christian Muller, Jean-Louis Dupin, Jean-Claude Heitzler
  • Publication number: 20090320499
    Abstract: The present invention concerns a compact, multi-purpose magneto-calorific thermal generator of high thermal efficiency, having a maximal heat exchange coefficient, while being simple to industrialise in order to respond to a wide range of both industrial and domestic applications.
    Type: Application
    Filed: July 9, 2007
    Publication date: December 31, 2009
    Applicant: COOLTECH APPLICATIONS S.A.S.
    Inventors: Christian Muller, Jean-Louis Dupin, Jean-Claude Heitzler, Georges Nikly
  • Patent number: 7596955
    Abstract: The present invention concerns a device for generating a thermal flux with a magneto-caloric material, which is non-polluting, effective, reliable, of simple design and simple to use, economical, compact, and can be used both in large-scale industrial installations and for domestic applications. The device (3) for generating thermal flux with a magneto-caloric material comprises two thermal flux generation units (30) arranged side by side and each provided with thermal bodies (31) containing a magneto-caloric element and arranged in line along two rows carried by rectilinear frames (306). The thermal bodies (31) are subjected in alternation to magnetic fields emitted by magnetic mechanism (303) in the shape of a U, positioned in a staggered arrangement on either side of two bars (304) which move in reciprocating rectilinear translation. The thermal bodies (31) have a through-channel containing a heat transfer fluid and connected to one or more heat transfer fluid circuits.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: October 6, 2009
    Assignee: Cooltech Applications
    Inventors: Christian Muller, Jean-Louis Dupin, Jean-Claude Heitzler
  • Publication number: 20080236172
    Abstract: The present invention proposes a thermal generator which is non-polluting, has very good energy efficiency, is of simple and economical design and uses little energy, at the same time as being capable of further development, flexible and modular. In this thermal generator (1), the thermal elements (3) composed of magneto-calorific material each comprises two separate collector circuits (31 and 32), a “hot” collector circuit connected to a hot heat transfer fluid circuit (51) and a “cold” collector circuit (32) linked to a cold heat transfer fluid circuit (52). The heat transfer fluid is made to move alternately in one or the other of the collector circuits (31 and 32) depending on whether or not the thermal elements (3) are subjected to the magnetic field generated by the magnets (40) moving in rotation around a central axis (B) with respect to the thermal elements (3).
    Type: Application
    Filed: August 16, 2006
    Publication date: October 2, 2008
    Applicant: COOLTECH APPLICATIONS
    Inventors: Christian Muller, Jean Louis Dupin, Jean Claude Heitzler