Patents by Inventor Stefan Haeberle

Stefan Haeberle 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: 8096314
    Abstract: A fluidic device includes a fluidic module with a first fluid chamber and a second fluid chamber closed with the exception of a fluidic connection to the first fluid chamber. A drive is formed to impart the fluidic module with a first rotation at a rotational frequency below a rotational frequency threshold at which liquid is pneumatically held in the first fluid chamber and does not enter the second fluid chamber. The drive is further formed to impart the fluidic module with a second rotation at a second rotational frequency above the rotational frequency threshold at which a liquid column created in the first fluid chamber becomes unstable and the liquid enters the second fluid chamber.
    Type: Grant
    Filed: January 8, 2009
    Date of Patent: January 17, 2012
    Assignee: Hahn-Schickard-Gesellschaft fuer angewandte Forschung e.V.
    Inventors: Daniel Mark, Stefan Haeberle, Felix Von Stetten, Jens Ducree
  • Publication number: 20100307595
    Abstract: A fluidic device includes a fluidic module with a first fluid chamber and a second fluid chamber closed with the exception of a fluidic connection to the first fluid chamber. A drive is formed to impart the fluidic module with a first rotation at a rotational frequency below a rotational frequency threshold at which liquid is pneumatically held in the first fluid chamber and does not enter the second fluid chamber. The drive is further formed to impart the fluidic module with a second rotation at a second rotational frequency above the rotational frequency threshold at which a liquid column created in the first fluid chamber becomes unstable and the liquid enters the second fluid chamber.
    Type: Application
    Filed: January 8, 2009
    Publication date: December 9, 2010
    Applicant: Hahn-Schickard-Gesellschaft fuer angewandte Forschung e.V.
    Inventors: Daniel MARK, Stefan HAEBERLE, Felix VON STETTEN, Jens DUCREE
  • Patent number: 7748962
    Abstract: A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling structure, wherein the membrane comprises a first actuation component. A second actuation component is provided, wherein the first and the second actuation component are formed such that the same attract or repel each other in a first positional relationship, in order to actuate the flexible membrane. A driving means is provided to move the body relative to the second actuation component, in order to bring the first and the second actuation component into the first and out of the first positional relationship.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: July 6, 2010
    Assignee: Albert-Ludwigs-Universitaet Freiburg
    Inventors: Stefan Haeberle, Jens Ducrée, Roland Zengerle, Norbert Schmitt
  • Publication number: 20090197977
    Abstract: A device for producing a mixture of two phases that are insoluble in each other comprises a first fluid channel and a second fluid channel which lead into a contact region. Also, a third fluid channel is provided which leads into the contact region. The device comprises an imparter configured to impart a rotation on the fluid channels, a first phase being centrifugally supplied to the contact region through the first fluid channel, and a second phase, insoluble in the first phase, being supplied to the contact region through the second fluid channel, compressive and/or shearing forces in the contact region which are centrifugally/hydrodynamically induced by the rotation causing drops to break away in one of the phases supplied in order to produce the mixture of the first and second phases.
    Type: Application
    Filed: September 19, 2006
    Publication date: August 6, 2009
    Inventors: Stefan Haeberle, Jens Ducree, Roland Zengerle
  • Patent number: 7371330
    Abstract: A particle sedimentation apparatus includes a rotation body rotatable about a rotation axis and a separation chamber formed in the rotation body, to cause sedimentation of particle suspension in the separation chamber upon rotation of the rotation body. The particles accumulate in a radially outward region of the separation chamber. A flow-rate-determining inflow channel having azimuthal path length with an inflow channel inlet and an inflow channel outlet is formed in the rotation body, the inflow channel inlet being arranged radially further inwardly than the inflow channel outlet, the inflow channel outlet being fluidically connected to the separation chamber and formed to introduce particle suspension into the separation chamber upon rotation of the rotation body. Furthermore, an outflow channel is formed in the rotation body with an outflow channel inlet and an outflow channel outlet, to at least partially drain supernatant liquid formed by sedimentation from the separation chamber.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: May 13, 2008
    Assignee: Albert-Ludwigs-Universitaet Freiburg
    Inventors: Jens Ducree, Roland Zengerle, Stefan Haeberle, Thilo Brenner
  • Publication number: 20070262034
    Abstract: A particle sedimentation apparatus includes a rotation body rotatable about a rotation axis and a separation chamber formed in the rotation body, to cause sedimentation of particle suspension in the separation chamber upon rotation of the rotation body. The particles accumulate in a radially outward region of the separation chamber. A flow-rate-determining inflow channel having azimuthal path length with an inflow channel inlet and an inflow channel outlet is formed in the rotation body, the inflow channel inlet being arranged radially further inwardly than the inflow channel outlet, the inflow channel outlet being fluidically connected to the separation chamber and formed to introduce particle suspension into the separation chamber upon rotation of the rotation body. Furthermore, an outflow channel is formed in the rotation body with an outflow channel inlet and an outflow channel outlet, to at least partially drain supernatant liquid formed by sedimentation from the separation chamber.
    Type: Application
    Filed: March 23, 2007
    Publication date: November 15, 2007
    Inventors: Jens Ducree, Roland Zengerle, Stefan Haeberle, Thilo Brenner
  • Publication number: 20070189910
    Abstract: A fluid handling apparatus includes a body, which comprises a fluid handling structure, and a flexible membrane attached to the body and formed to interact with a fluid in the fluid handling structure, wherein the membrane comprises a first actuation component. A second actuation component is provided, wherein the first and the second actuation component are formed such that the same attract or repel each other in a first positional relationship, in order to actuate the flexible membrane. A driving means is provided to move the body relative to the second actuation component, in order to bring the first and the second actuation component into the first and out of the first positional relationship.
    Type: Application
    Filed: January 18, 2007
    Publication date: August 16, 2007
    Applicant: ALBERT-LUDWIGS-UNIVERSITAET FREIBURG
    Inventors: Stefan Haeberle, Jens Ducree, Roland Zengerle, Norbert Schmitt