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Bruker Biospin Gmbh patents

Recent patent applications related to Bruker Biospin Gmbh. Bruker Biospin Gmbh is listed as an Agent/Assignee. Note: Bruker Biospin Gmbh may have other listings under different names/spellings. We're not affiliated with Bruker Biospin Gmbh, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "B" | Bruker Biospin Gmbh-related inventors

Epr resonator with extended transparency and homogeneity in rf range

An epr resonator for a cylindrical te01n microwave mode, where n=1, 2, 3, or 4, has: a cylindrical body (10) which has an rf absorption of less than 5% at rfs below 1 khz, a first plunger (11) delimiting the resonating volume within the body in an axial direction at a first end and a second plunger (12) delimiting the resonating volume within the body at a second end, the second plunger having an opening (13) for inserting an epr sample. The first and second plunger each has a spiral winding of an electrically conductive filament wherein neither the ends nor neighboring turns of the spiral windings have electrically conductive connections prone to forming electrically closed loops. ... Bruker Biospin Gmbh

Magnet assembly comprising closed superconducting hts shims

A magnet assembly in a magnetic resonance apparatus includes a cryostat and a superconducting main field magnet coil system arranged therein for generating a magnetic field in the direction of a z-axis in a working volume. The magnet assembly includes a shim device arranged inside the cryostat for adjusting the spatial variation or homogeneity of the magnetic field generated in the working volume by the magnet coil system. ... Bruker Biospin Gmbh

Monitoring device for the monitoring of chemical reactions by means of mr measurements in a flow cell

A monitoring device is provided for analytical measurement of reaction fluid produced in a reaction vessel in a spectrometer with a monitoring cell. The distribution apparatus includes at least four supply and return lines that open into the distribution apparatus, wherein the distribution apparatus comprises a distribution device for distributing reaction fluid to the supply and return lines. ... Bruker Biospin Gmbh

Hf resonator assembly

An hf resonator assembly generates at least two independent alternating magnetic fields in a test volume of a magnetic resonance apparatus. The hf resonator assembly includes a first pair of flat coils that form a first hf resonator and comprise electrical conductor portions that surround a planar surface portion. ... Bruker Biospin Gmbh

Temperature control of an nmr-mas rotor

A method for operating an nmr probehead (10) with an mas stator (11) receiving a circular-cylindrical hollow mas rotor (13) with an outer jacket. The mas rotor is mounted on pressurized gas in a measuring position within the mas stator via a gas supply device with a bearing nozzle (12′) and rotates about the cylinder axis of the mas rotor at a rotation frequency f≧30 khz. ... Bruker Biospin Gmbh

Cryostat arrangement with a vacuum container and an object to be cooled, with evacuable cavity

A cryostat arrangement (1), with a vacuum container (2) and an object (4) to be cooled, is provided, wherein the object (4) to be cooled is arranged inside the vacuum container (2) comprising a neck tube (8) leading to the object (4) to be cooled. A closed cavity (9) is formed around the cooling arm (10) of a cold head (11), wherein the cavity (9) in normal operation is filled at least partly with a first cryogenic fluid (34), and wherein a first thermal coupling component (15) is provided for the thermal coupling of the first cryogenic fluid (34) in the cavity (9) to the object (4) to be cooled. ... Bruker Biospin Gmbh

Cryogen-free magnet system comprising a heat sink connected to the gas circuit of a cryocooler

A cryostat arrangement includes a superconducting magnet to be cooled by an active cryocooler. The cryocooler includes a coolant circuit with a compressor, a cold head, and a cold finger in thermal contact with the magnet. ... Bruker Biospin Gmbh

Nmr apparatus comprising a superconducting magnet assembly and cooled probe components

A superconducting magnet assembly includes a cryostat, a vacuum vessel and a refrigeration stage. An nmr probe using the assembly includes comprises cooled probe components, a two-stage cryocooler, and a counter flow heat exchanger. ... Bruker Biospin Gmbh

Introducing an nmr apparatus comprising cooled probe components via a vacuum lock

An nmr apparatus includes a superconducting magnet assembly, a cryostat having a vacuum vessel, a refrigeration stage that can be operated at a temperature of <100 k, and a magnet coil system that comprises a cold bore into which a room temperature access of the cryostat engages. The nmr apparatus also includes an nmr probe with probe components cooled to an operating temperature of <100 k. ... Bruker Biospin Gmbh

High-frequency interface circuit, high-frequency system and magnet resonance apparatus with a high-frequency interface circuit

A high-frequency interface circuit to direct transmitted signals to a connector (pr) for a hf arrangement in a transmit mode via an input (tx) of the high-frequency interface circuit and received signals from the connector (pr) to a receiver system in a receive mode via an output (rx) of the high-frequency interface circuit is presented. The circuit includes a transmit path (sp) linking the input (tx) to the connector (pr) and a receive path (ep) linking the connector (pr) to the output (rx). ... Bruker Biospin Gmbh

Hf coil assembly

An hf coil assembly for generating independent alternating magnetic fields in an examination volume of a magnetic resonance apparatus is presented, the hf coil assembly comprising a first coil pair of saddle coils and a second coil pair of saddle coils, each saddle coil having longitudinal conductor elements and curved conductor elements arranged along a common lateral surface of a circular cylinder having a cylinder axis. Each coil pair comprises curved conductor elements and longitudinal conductor elements which are interconnected at a high frequency. ... Bruker Biospin Gmbh

Method for predicting chemical shift values of nmr spin systems in a sample of a fluid class, in particular in a sample of a biofluid

Correlation information between captured characteristics and chemical shift values of captured nmr spin systems is provided by a model appliance for a fluid class. An nmr spectrum of a sample of the fluid class is recorded. ... Bruker Biospin Gmbh

Magnet arrangement with field-shaping element for reducing the radial field component in the region of an hts section

A superconducting magnet coil arrangement has a high-temperature superconductor (hts) coil section (1a,1b,1c) in the form of a solenoid that is wound with an hts tape conductor, and also has a field-shaping device comprising at least two field-shaping elements (2a,2b,2c). At least one respective field-shaping element is arranged adjoining each of the two axial ends of the hts coil section, the field-shaping elements being configured in such a way that they reduce the field angle of the magnetic field generated by the magnet coil arrangement with respect to the axial direction in the region of the hts coil section by at least 1.5°.. ... Bruker Biospin Gmbh

Cryogen-free magnet system comprising a magnetocaloric heat sink

A cryostat system is kept at a cryogenic operating temperature without providing or supplying cryogenic fluids by a cryocooler. The cryostat system includes a superconducting magnet arrangement and a heat sink apparatus to prolong the time before the superconducting magnet arrangement quenches/returns to the normally conducting state if active cooling fails. ... Bruker Biospin Gmbh

11/09/17 / #20170322270

Magnet and cryostat arrangement, and method for passive shimming

An arrangement for setting the spatial profile of a magnetic field in a working volume of a main field magnet (2), in particular a superconducting main field magnet, of a magnetic resonance installation. The main field magnet is arranged in a cryostat (1) and the spatial profile is set by a passive shim apparatus (3) with magnetic field forming elements which are arranged within the cryostat during operation and which have cryogenic temperatures. ... Bruker Biospin Gmbh

10/05/17 / #20170284725

Cryostat with a first and a second helium tank, which are separated from one another in a liquid-tight manner at least in a lower part

A cryostat for subcooled (<2.5 k) liquid helium includes two separate helium tanks. A joule-thomson cooling unit includes a heat exchanger in the lower part of the first helium tank and uses liquid stored in the second helium tank in order to cool the subcooled liquid helium stored in the lower part of the first helium tank. ... Bruker Biospin Gmbh

09/07/17 / #20170254866

Low-stray-field permanent magnet arrangement for mr apparatuses

A magnetic resonance arrangement with a permanent magnet system and having magnet elements, pole piece elements and yoke elements of magnetic material arranged cylinder-symmetrically with respect to the z axis. The yoke elements have a first lid (11′) and a second lid (11″) and also a hollow cylindrical drum (12) arranged axially between the lids. ... Bruker Biospin Gmbh

08/31/17 / #20170248404

Probehead of an nmr-mas apparatus with a device for determining the angle between the mas rotor and the static magnetic field

A probehead of an nmr-mas apparatus with a rotation axis (ra), which lies in an xz-plane, titled by an angle θ>0 relative to a z-axis. The angle θ is adjusted by tilting around a tilt axis (da) parallel to the y-axis relative to a target angle θtarget. ... Bruker Biospin Gmbh

06/29/17 / #20170186520

Superconducting magnet coil system

A superconducting magnet coil system with high resistance to quench events includes a first coil portion (1) with a first superconducting material and a second coil portion (2) with a second superconducting material. The first superconducting material has a higher critical temperature than the second superconducting material. ... Bruker Biospin Gmbh

06/22/17 / #20170176554

Easily accessible deep-frozen nmr shim arrangement

An nmr apparatus includes a superconducting magnet coil system configured to generate a homogeneous magnetic field, and a helium (he) tank having an inner tube mechanically rigidly connected to the he tank and in which the magnet coil system is positioned. The he tank is configured to contain liquid helium to cool the magnet coils. ... Bruker Biospin Gmbh

06/08/17 / #20170162310

Layout for magnet coils wound with anisotropic superconductor, and method for laying out the same

A layer wound magnet coil includes a central coil region and end coil regions adjoining the central coil region along an axial line of symmetry. The central coil region includes layers of coil windings of an anisotropic material. ... Bruker Biospin Gmbh

06/08/17 / #20170160362

Method for determining the position of a ferromagnetic particle and associated mri system

A method for determining the position of at least one ferromagnetic particle (30) in a liquid matrix (31) with an mri system (50). An mri measurement sequence (ms1, ms2) is applied (20) to a measurement volume (52) in which the particle is situated. ... Bruker Biospin Gmbh

05/18/17 / #20170138644

Pulse tube cooler system with force-compensated rotary valve line

A connecting device in a pulse tube cooler system branches such that a first line branch (11) has a first flexible line segment (4a) and a second line branch (12) has a second flexible line segment (4b), the flexible line segments being arranged in parallel with and offset from one another. The flexible line segments each have a front segment end (17, 18) and a rear segment end (19, 20), the front segment end (17) of the first flexible line segment (4a) and the rear segment end (20) of the second flexible line segment (4b) are rigidly connected to one another, the rear segment end (19) of the first flexible line segment (4a) and the front segment end (18) of the second flexible line segment (4b) are rigidly connected to one another, and there is no continuous rigid connection between the control valve and the cold head.. ... Bruker Biospin Gmbh

05/04/17 / #20170120234

Needle guide with centering for septum piercing

A pipetting device (2) for removing fluid from a sample vessel (52) includes a pipetting needle (4) and an auxiliary cannula (18) for piercing a septum, designed to guide the pipetting needle axially through the auxiliary cannula. The pipetting device has a guide arm (6), on the lower end (10) of which is arranged an end plate (12) that is axially displaceable along the guide arm against a resilient resistance. ... Bruker Biospin Gmbh

04/20/17 / #20170108561

Nmr-mas turbine assembly

A nuclear magnetic resonance-magic angle spinning (nmr-mas) turbine assembly has a mas rotor with turbine cap having a stopper region and a turbine region. The stopper region allows feeding into a rotor tube and has at least one sealing section for resting against an inner wall of the rotor tube. ... Bruker Biospin Gmbh

04/20/17 / #20170108560

Method for the determination of a spatial assignment or spatial distribution of magnetic particles

A method related to magnetic particle imaging (mpi) includes a signal processing step in which mpi time signals are acquired and successive acquisition cycles are completed within one scanning period. From the scanning period, an image acquisition period is selected for which a composite time signal is generated by concatenating measured values acquired in immediate succession. ... Bruker Biospin Gmbh

04/20/17 / #20170108454

Method and device for the automatable determination of the limit of quantification and the relative error when quantifying the concentration of a substance to be investigated in a test sample

A spectroscopic method for calculating a limit of quantification and a relative error includes: 1. Selecting an error function f(c); 2. ... Bruker Biospin Gmbh

03/23/17 / #20170082707

Cryostat with magnet arrangement which includes an lts portion and an hts portion

A cryostat includes a magnet arrangement for the generation of a magnetic field b0, the magnet arrangement comprising an lts portion having at least one lts section made from a conventional low-temperature superconductor and an hts portion having at least one hts section made from a high-temperature superconductor. The hts portion is arranged radially within the lts portion, and the cryostat is designed to control the temperature of the lts portion and the hts portion independently of one another, wherein the hts portion is electrically isolated from the lts portion, and is designed to be superconductingly short-circuited. ... Bruker Biospin Gmbh

02/23/17 / #20170051874

Method and device for precooling a cryostat

A method is provided for precooling a cryostat having a hollow cold head turret into which a neck tube protrudes and connects an object to be cooled to the exterior of the cryostat, wherein a cold head having a cold head stage for cooling a cryogenic working medium may be introduced into the neck tube. During a condensation operation the cryogenic working medium flows through a heat pipe into an evaporator chamber which is thermally conductively connected to the object to be cooled. ... Bruker Biospin Gmbh

01/26/17 / #20170020407

Mpi method

An mpi method determines calibration and measurement volumes, wherein the calibration volume is larger than the measurement volume and the overall measurement volume is arranged within the calibration volume. Calibration signals are detected and a system matrix s is created. ... Bruker Biospin Gmbh

01/05/17 / #20170002979

Cryostat with active neck tube cooling by a second cryogen

A cryostat arrangement has an outer jacket, a first tank with a first cryogen, and a second tank with a second liquid cryogen which boils at a higher temperature than the first cryogen. The first tank comprises a neck tube, whose hot upper end is connected to the outer jacket at ambient temperature and whose cold lower end is connected to the first tank at a cryogenic temperature. ... Bruker Biospin Gmbh

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


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