Patents by Inventor Dirk Albrecht
Dirk Albrecht 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: 11249100Abstract: Systems and methods for delivering fluid to a microfluidic device is provided. The system includes a multi-well plate having a plurality of wells and an inlet tube having a first end being in communication with the one or more wells of the multi-well plate and a second end being in communication with a microfluidic device. The first end of the inlet tube is moveable between the plurality of wells of the multi-well plate to deliver fluid to the microfluidic device from the plurality of wells of the multi-well plate.Type: GrantFiled: January 5, 2019Date of Patent: February 15, 2022Assignee: Worcester Polytechnic InstituteInventors: Dirk Albrecht, Ross Lagoy
-
Patent number: 11248995Abstract: Devices and methods for capturing and imaging a specimen, such as a living organism, are disclosed. In some embodiments, a method for imaging a living organism in vivo includes placing at least one specimen into a hydrogel polymer on a substrate, and curing the hydrogel to embed the at least one specimen within the cured hydrogel such that the at least one specimen is kept alive and the movement of the at least one specimen within the cured hydrogel is restricted. The at least one embedded specimen can be imaged.Type: GrantFiled: September 12, 2018Date of Patent: February 15, 2022Assignee: Worcester Polytechnic InstituteInventors: Dirk Albrecht, Ross Lagoy, Kyra Burnett
-
Publication number: 20190212355Abstract: Systems and methods for delivering fluid to a microfluidic device is provided. The system includes a multi-well plate having a plurality of wells and an inlet tube having a first end being in communication with the one or more wells of the multi-well plate and a second end being in communication with a microfluidic device. The first end of the inlet tube is moveable between the plurality of wells of the multi-well plate to deliver fluid to the microfluidic device from the plurality of wells of the multi-well plate.Type: ApplicationFiled: January 5, 2019Publication date: July 11, 2019Inventors: Dirk Albrecht, Ross Lagoy
-
Patent number: 10323731Abstract: A pulley device for a belt that includes an eccentric adjusting member fixed on a support, an eccentric hub rotatably mounted on the eccentric adjusting member, a torsion spring between the eccentric adjusting member and hub to exert a biasing force, and a pulley rotatably mounted on the hub. The hub provides an upper radial surface and the eccentric adjusting member provides a radially outwardly projecting flange formed at an upper end of the eccentric adjusting member and forming an axial abutment for the upper radial surface. The upper radial surface provides a pair of axially projected stops formed integrally within, each stop being dedicated to come into abutment against a corresponding stop provided by the radially outwardly projecting flange of the eccentric adjusting member. The hub further provides engaging means adapted to cooperate with an external tool, the engaging means circumferentially located between the projected stops of the hub.Type: GrantFiled: January 19, 2017Date of Patent: June 18, 2019Assignee: Aktiebolaget SKFInventors: Nicolas Tronquoy, Dirk Albrecht, Alain Gezault, Romuald Lescorail
-
Publication number: 20190078985Abstract: Devices and methods for capturing and imaging a specimen, such as a living organism, are disclosed. In some embodiments, a method for imaging a living organism in vivo includes placing at least one specimen into a hydrogel polymer on a substrate, and curing the hydrogel to embed the at least one specimen within the cured hydrogel such that the at least one specimen is kept alive and the movement of the at least one specimen within the cured hydrogel is restricted. The at least one embedded specimen can be imaged.Type: ApplicationFiled: September 12, 2018Publication date: March 14, 2019Inventors: Dirk Albrecht, Ross Lagoy, Kyra Burnett
-
Patent number: 10215262Abstract: The tension roller device provides a support shaft, a securing plate that is fixed on the support shaft, an eccentric hub that is free to rotate relative to the shaft, and a spring that is arranged axially between the eccentric hub and the securing plate. The support shaft includes a stop surface, against which the securing plate is axially supported, and which is delimited radially on the outer side by a circular outer edge. At least one opening is formed in the securing plate, in order to delimit a tongue for radial centering of the spring. The opening is situated radially on the outer side relative to the circular outer edge of the stop surface of the support shaft.Type: GrantFiled: June 22, 2016Date of Patent: February 26, 2019Assignee: Aktiebolaget SKFInventors: Dirk Albrecht, Romuald Lescorail, Nicolas Tronquoy
-
Patent number: 9903461Abstract: A pulley intended to be mounted around a rolling bearing and having an inner web for connecting to an outer race of the rolling bearing, an outer web for connecting to a flexible force-transmitting element, and radial connecting ribs between the outer web and the inner web. The ribs are distributed in several groups, each group providing at least three successive ribs, which form several pairs of adjacent ribs, the midplanes of which are separated two by two at a regular angle, and the angle between the midplanes of two adjacent ribs in one and the same group varies, between two adjacent groups, by at least 5% with respect to the smaller of the two angles.Type: GrantFiled: February 23, 2016Date of Patent: February 27, 2018Assignee: AKTIEBOLAGET SKFInventors: Dirk Albrecht, Romuald Lescorail
-
Publication number: 20170219068Abstract: A pulley device for a belt that includes an eccentric adjusting member fixed on a support, an eccentric hub rotatably mounted on the eccentric adjusting member, a torsion spring between the eccentric adjusting member and hub to exert a biasing force, and a pulley rotatably mounted on the hub. The hub provides an upper radial surface and the eccentric adjusting member provides a radially outwardly projecting flange formed at an upper end of the eccentric adjusting member and forming an axial abutment for the upper radial surface. The upper radial surface provides a pair of axially projected stops formed integrally within, each stop being dedicated to come into abutment against a corresponding stop provided by the radially outwardly projecting flange of the eccentric adjusting member. The hub further provides engaging means adapted to cooperate with an external tool, the engaging means circumferentially located between the projected stops of the hub.Type: ApplicationFiled: January 19, 2017Publication date: August 3, 2017Inventors: Nicolas Tronquoy, Dirk Albrecht, Alain Gezault, Romuald Lescorail
-
Patent number: 9709154Abstract: A pulley assembly comprising an inner ring, an outer ring, at least one row of rolling elements between the inner and outer rings, a pulley rotationally secured with the outer ring, having an outer radial surface for engagement with a chain or belt, a screw comprising a head and a stem radially housed inside the inner ring and having an outer peripheral groove, a mounting support element having a receiving bore or housing for receiving the screw head and an axial retaining member retaining the screw stem within the receiving housing, the member being engaged in the outer groove of the screw stem. The mounting support element includes a cavity that emerges in the receiving bore. When the screw is installed within the receiving bore, the outer groove is axially across from the mounting support element cavity and the axial retaining element is engaged in the mounting support element cavity.Type: GrantFiled: July 15, 2015Date of Patent: July 18, 2017Assignee: AKTIEBOLAGET SKFInventors: Dirk Albrecht, Romuald Lescorail, Frederic Liege, Nicolas Tronquoy
-
Patent number: 9541185Abstract: The inventive pulley device for one of a chain and belt provides an inner ring, an outer ring, at least one row of rolling elements mounted in a rolling chamber defined between the inner ring and the outer ring, a pulley secured in rotation with the outer ring and provided with an outer radial surface for engagement with one of a chain and a belt. A screw for mounting on a support is housed radially inside the inner ring and a mounting support element is provided with a passage opening for the screw. The opening is tapped, with a complementary tapping of a thread arranged on the screw, the screw is provided with a groove, offset relative to the thread along a longitudinal axis (X40) of the screw and in which the tapping of the opening is received.Type: GrantFiled: November 14, 2014Date of Patent: January 10, 2017Assignee: AKTIEBOLAGET SKFInventors: Dirk Albrecht, Romuald Lescorail, Gwenoel Leteil, Thomas Nicaud
-
Publication number: 20160377152Abstract: The tension roller device provides a support shaft, a securing plate that is fixed on the support shaft, an eccentric hub that is free to rotate relative to the shaft, and a spring that is arranged axially between the eccentric hub and the securing plate. The support shaft includes a stop surface, against which the securing plate is axially supported, and which is delimited radially on the outer side by a circular outer edge. At least one opening is formed in the securing plate, in order to delimit a tongue for radial centering of the spring. The opening is situated radially on the outer side relative to the circular outer edge of the stop surface of the support shaft.Type: ApplicationFiled: June 22, 2016Publication date: December 29, 2016Applicant: Aktiebolaget SKFInventors: Dirk Albrecht, Romuald Lescorail, Nicolas Tronquoy
-
Publication number: 20160245389Abstract: A pulley intended to be mounted around a rolling bearing and having an inner web for connecting to an outer race of the rolling bearing, an outer web for connecting to a flexible force-transmitting element, and radial connecting ribs between the outer web and the inner web. The ribs are distributed in several groups, each group providing at least three successive ribs, which form several pairs of adjacent ribs, the midplanes of which are separated two by two at a regular angle, and the angle between the midplanes of two adjacent ribs in one and the same group varies, between two adjacent groups, by at least 5% with respect to the smaller of the two angles.Type: ApplicationFiled: February 23, 2016Publication date: August 25, 2016Applicant: Aktiebolaget SKFInventors: Dirk Albrecht, Romuald Lescorail
-
Publication number: 20160017963Abstract: A tensioning device for a traction member, such as a belt, for an internal combustion engine, the tension device comprising a pulley rotatably mounted on an eccentric hub also rotatably mounted on a shaft. One end of the shaft comprises a shoulder against which abuts a plate for attaching the device onto the internal combustion engine. The tensioning device further comprises a torsions spring mounted around a tubular portion of the hub extending along a longitudinal direction of the hub between the hub and the attachment plate. The tensioning device also comprising a spring holder interposed between the spring and the attachment plate. An end turn of the spring is attached around an axial portion of the spring holder.Type: ApplicationFiled: July 16, 2015Publication date: January 21, 2016Applicant: Aktiebolaget SKFInventors: Dirk ALBRECHT, Nicolas TRONQUOY
-
Publication number: 20160017977Abstract: A pulley assembly comprising an inner ring, an outer ring, at least one row of rolling elements between the inner and outer rings, a pulley rotationally secured with the outer ring, having an outer radial surface for engagement with a chain or belt, a screw comprising a head and a stem radially housed inside the inner ring and having an outer peripheral groove, a mounting support element having a receiving bore or housing for receiving the screw head and an axial retaining member retaining the screw stem within the receiving housing, the member being engaged in the outer groove of the screw stem. The mounting support element includes a cavity that emerges in the receiving bore. When the screw is installed within the receiving bore, the outer groove is axially across from the mounting support element cavity and the axial retaining element is engaged in the mounting support element cavity.Type: ApplicationFiled: July 15, 2015Publication date: January 21, 2016Applicant: AKTIEBOLAGET SKFInventors: Dirk ALBRECHT, Romuald LESCORAIL, Frederic LIEGE, Nicolas TRONQUOY
-
Publication number: 20150300463Abstract: A tensioning roller/winder device comprising at least one roller bearing including inner and outer rings and at least one row of rolling elements between the two rings; a pulley surmounting the outer ring; and a retaining screw comprising a body and head. An abutment is provided on the body external periphery. First and second abutments are provided on the inner ring bore. The axial length between the head and the abutment equals the axial length between an inner ring radial side edge and the inner ring bore first abutment is greater than the axial length between a inner ring radial side edge opposite the screw head and the inner ring bore second abutment. The screw abutment contacts the inner ring first abutment during the body insertion into the inner ring bore in the desired direction, but contacts the inner ring second abutment during the body insertion in the undesired direction.Type: ApplicationFiled: April 16, 2015Publication date: October 22, 2015Applicant: Aktiebolaget SKFInventors: Dirk ALBRECHT, Frederic LIEGE, Nicolas TRONQUOY
-
Publication number: 20150141185Abstract: The inventive pulley device for one of a chain and belt provides an inner ring, an outer ring, at least one row of rolling elements mounted in a rolling chamber defined between the inner ring and the outer ring, a pulley secured in rotation with the outer ring and provided with an outer radial surface for engagement with one of a chain and a belt. A screw for mounting on a support is housed radially inside the inner ring and a mounting support element is provided with a passage opening for the screw. The opening is tapped, with a complementary tapping of a thread arranged on the screw, the screw is provided with a groove, offset relative to the thread along a longitudinal axis (X40) of the screw and in which the tapping of the opening is received.Type: ApplicationFiled: November 14, 2014Publication date: May 21, 2015Applicant: Aktiebolaget SKFInventors: Dirk Albrecht, Romuald Lescorail, Gwenoel Leteil, Thomas Nicaud
-
Patent number: 8987040Abstract: A production device (2) and a method for forming multilayered (3, 4, 5, 6, 7) modules, in particular solar modules (1), which have at least one translucent sheet-like layer (3, 6) and at least one solar- or light-active element is provided. The production device (2) forms the layer structure and has an applicator (33) for a connecting layer (5, 7) for the aforementioned layers (3, 4, 6). Furthermore, the device has a controllable curve(arch)-forming device (17) for bending and rolling a sheet-like layer (3, 6) while the layers are being applied.Type: GrantFiled: June 1, 2011Date of Patent: March 24, 2015Assignees: Kuka Systems GmbH, Dirk AlbrechtInventors: Dirk Albrecht, Jürgen Liepert, Michael Büchler, Rudolf Huber, Thomas Kugler, Peter Kiemstedt
-
Publication number: 20150075707Abstract: The invention relates to a method for manufacturing a semi-finished product for a module having a cell made from a photoactive material, particularly a solar cell, wherein the method has the following steps: providing a substrate (1), arranging a cell (2; 3) made from a photoactive material on the substrate (1) in such a manner that a light-incidence or light-emission side of the cell (2; 3) faces the substrate (1), constructing an adhesive-compound layer (10), into which the cell (2; 3) and a contact connector (7) formed on a connecting lead of the cell (2; 3) are partially or completely embedded, and constructing a contact region (8), which is formed on the rear side of the substrate (1) with the contact connector (7) formed herein, wherein the contact connector (7) is subsequently exposed again to construct the contact region (8), in that a layer composite arranged on the contact connector (7) is removed, and wherein an adhesion between the contact connector (7) and the adhesive-compound layer (10) arrangeType: ApplicationFiled: August 20, 2012Publication date: March 19, 2015Applicant: SITEC Solar GmbHInventors: Dirk Albrecht, Nico Schramm, Heinz Buschmann
-
Publication number: 20130065353Abstract: A production device (2) and a method for forming multilayered (3, 4, 5, 6, 7) modules, in particular solar modules (1), which have at least one translucent sheet-like layer (3, 6) and at least one solar- or light-active element is provided. The production device (2) forms the layer structure and has an applicator (33) for a connecting layer (5, 7) for the aforementioned layers (3, 4, 6). Furthermore, the device has a controllable curve(arch)-forming device (17) for bending and rolling a sheet-like layer (3, 6) while the layers are being applied.Type: ApplicationFiled: June 1, 2011Publication date: March 14, 2013Inventors: Dirk Albrecht, Jürgen Liepert, Michael Büchler, Rudolf Huber, Thomas Kugler, Peter Kiemstedt
-
Patent number: D635474Type: GrantFiled: March 10, 2010Date of Patent: April 5, 2011Assignee: Trimble Jena GmbHInventors: Torsten Kludas, Martin Stohr, Christian Schmidt, Dirk Albrecht, Marwin Kock, Michael Winterot, LaVonne Lynette Frazier