Abstract: A gantry tube for a magnetic resonance/positron emission tomography imaging system. The gantry tube includes a first tube located within a second tube, wherein the first tube is oriented about a longitudinal axis of the system. The gantry tube also includes a plurality of wall elements that extend between the first and second tubes, wherein the walls and first and second tubes form a plurality of channels that extend in an axial direction substantially parallel to the longitudinal axis wherein each channel is configured to hold a PET detector of the imaging system. A PET detector is inserted into or removed from an associated channel in an axial direction from either a first end or a second end of the gantry tube.

Abstract: A gradient coil unit may include a hollow cylinder surrounding a cylinder axis, delimited perpendicularly to the cylinder axis by a first longitudinal end and a second longitudinal end opposing the first longitudinal end. The hollow cylinder may include a first hollow cylinder region and a second hollow cylinder region separated from the first hollow cylinder region by a sectional plane perpendicular to the cylinder axis. The first hollow cylinder region may be delimited by the first longitudinal end and the second hollow cylinder region by the second longitudinal end. The gradient coil unit may also include a conductor structure configured to generate magnetic field gradients in three mutually different directions. The gradient coil unit may have a length corresponding to a distance between the first longitudinal end and the second longitudinal end of at least 140 cm.

Abstract: A gantry tube for a medical imaging system. The gantry tube includes a first tube located within a second tube, wherein the first tube is oriented about a longitudinal axis of the system. The gantry tube also includes a plurality of wall elements that extend between the first and second tubes, wherein the walls and first and second tubes form a plurality of channels that extend in an axial direction substantially parallel to the longitudinal axis wherein each channel is configured to hold a detector of the system. A detector is inserted into or removed from an associated channel in an axial direction from either a first end or a second end of the gantry tube.

Abstract: The disclosure relates to a detector unit comprising a radio frequency antenna unit and a gradient coil unit surrounding the radio frequency antenna unit concentrically, each embodied as hollow cylinders surrounding a cylinder axis in the longitudinal direction. The detector unit comprises at least four shim units, which are embodied as oblong shapes and are each arranged in parallel to the cylinder axis at various positions in the circumferential direction on a first inner surface, with said first inner surface corresponding to the side of the gradient coil unit facing towards the cylinder axis, and forming raised areas in the direction of the cylinder axis . The detector unit comprises a fixing unit embodied for fixing the at least four shim units to the gradient coil unit, and an RF screen, which is arranged at least partly between the radio frequency antenna unit and the gradient coil unit.

Abstract: A gradient coil unit may include a gradient coil surrounding a cylinder axis and configured to generate a magnetic field gradient in a first spatial direction. The gradient coil may include a hollow cylindrical primary layer having two primary conductor structural units and a cooling duct. One primary conductor structural unit respectively of the two primary conductor structural units is formed from one primary electrical conductor respectively, where primary electrical conductor can be divided into two sections connected to one another in series. The cooling duct may be arranged at least partially between the two sections. The two sections and the cooling duct may run at least partially parallel. The two sections may have one contact surface respectively with the cooling duct.

Abstract: The disclosure relates to a gradient coil unit comprising a hollow cylindrical primary coil longitudinally surrounding a cylinder axis and designed to generate a magnetic field gradient in a first spatial direction, which primary coil comprises two primary conductor pattern pairs. Each primary conductor pattern pair of the two primary conductor pattern pairs is separately drivable, spans one half of the primary coil in each case, and comprises two spiral conductor patterns, which are formed by an electrical conductor implemented as a hollow conductor.

Abstract: A gantry tube for a medical imaging system. The gantry tube includes a first tube located within a second tube, wherein the first tube is oriented about a longitudinal axis of the system. The gantry tube also includes a plurality of wall elements that extend between the first and second tubes, wherein the walls and first and second tubes form a plurality of channels that extend in an axial direction substantially parallel to the longitudinal axis wherein each channel is configured to hold a detector of the system. A detector is inserted into or removed from an associated channel in an axial direction from either a first end or a second end of the gantry tube.

Abstract: A gradient coil unit may include a hollow cylinder surrounding a cylinder axis, delimited perpendicularly to the cylinder axis by a first longitudinal end and a second longitudinal end opposing the first longitudinal end. The hollow cylinder may include a first hollow cylinder region and a second hollow cylinder region separated from the first hollow cylinder region by a sectional plane perpendicular to the cylinder axis. The first hollow cylinder region may be delimited by the first longitudinal end and the second hollow cylinder region by the second longitudinal end. The gradient coil unit may also include a conductor structure configured to generate magnetic field gradients in three mutually different directions. The gradient coil unit may have a length corresponding to a distance between the first longitudinal end and the second longitudinal end of at least 140 cm.

Abstract: A gradient coil having a coil body made from a cured casting compound and at least one cooler embedded in the casting compound, serving to conduct a fluid coolant, wherein the cooler and the casting compound do not adhere to each other.

Abstract: A cable for operating a gradient coil of a magnetic resonance apparatus, a magnetic resonance apparatus, and a method for manufacturing a cable for operating a gradient coil of a magnetic resonance apparatus are provided. The cable includes at least one electric conductor and a stabilizing sheathing that surrounds the at least one electric conductor at least partially.

Abstract: A directly coolable multifilament conductor or a magnetic coil, having at least two electric conductors and at least one cooling tube disposed between the conductors adapted to carry a fluid coolant, wherein the cooling tube is a metal conductor having a lower conductivity than the conductors surrounding the tube.

Abstract: Aspects of the present disclosure are directed to a cylinder housing of an internal combustion engine. In one embodiment of the present disclosure, the cylinder housing includes at least two adjacently arranged cylinders, each of which includes a wet cylinder liner, a support structure, and a coolant jacket arranged between the support structure and the cylinder liner. The cylinder housing further including at least one screw receptacle for a cylinder head screw, and is positioned between at least two adjacently arranged cylinders in a region of at least one engine transverse plane.

Abstract: A directly coolable multifilament conductor or a magnetic coil, having at least two electric conductors and at least one cooling tube disposed between the conductors adapted to carry a fluid coolant, wherein the cooling tube is a metal conductor having a lower conductivity than the conductors surrounding the tube.

Abstract: A gradient coil having a coil body made from a cured casting compound and at least one cooler embedded in the casting compound, serving to conduct a fluid coolant, wherein the cooler and the casting compound do not adhere to each other.

Abstract: Aspects of the present disclosure are directed to a cylinder housing of an internal combustion engine. In one embodiment of the present disclosure, the cylinder housing includes at least two adjacently arranged cylinders, each of which includes a wet cylinder liner, a support structure, and a coolant jacket arranged between the support structure and the cylinder liner. The cylinder housing further including at least one screw receptacle for a cylinder head screw, and is positioned between at least two adjacently arranged cylinders in a region of at least one engine transverse plane.

Abstract: In a method for manufacturing a flat insulation layer for use in a gradient coil, a thermoplastic insulating material in the form of a plate, strip or foil is three-dimensionally deformed in a hot shaping step to form specified local elevations on at least one side, which are spaced apart from one another.

Abstract: A magnetic resonance apparatus has a magnetic resonance data acquisition scanner having a basic field magnet that generates a basic magnetic field in a patient-receiving zone of the scanner, and a gradient coil unit in the scanner, formed of individual gradient coil elements, and a shim unit having at least one carrier unit that is movably introducible into the scanner, the carrier carrying at least two shim elements formed of a material for shimming the basic magnetic field. The at least one carrier unit is bendable in at least one direction.

Abstract: The present embodiments provide a gradient coil assembly. The gradient coil assembly includes an aluminum wire body, and a copper wire end connected by cold pressure welding to two ends of the aluminum wire body. Using the gradient coil according to a particular embodiment, it is possible to reduce gradient coil weight as well as reduce the thickness of an outer vacuum chamber used for a magnet, thereby reducing the cost of the magnet and gradient coil, and making it less difficult to install and maintain the magnet and gradient coil. There is no problem of oxidation associated with the cold pressure welding of the aluminum wire body to the copper wire ends, so quality defects arising from such oxidation are avoided.

Abstract: A magnetic resonance apparatus has a magnetic resonance data acquisition scanner having a basic field magnet that generates a basic magnetic field in a patient-receiving zone of the scanner, and a gradient coil unit in the scanner, formed of individual gradient coil elements, and a shim unit having at least one carrier unit that is movably introducible into the scanner, the carrier carrying at least two shim elements formed of a material for shimming the basic magnetic field. The at least one carrier unit is bendable in at least one direction.

Abstract: In a method for manufacturing a flat insulation layer for use in a gradient coil, a thermoplastic insulating material in the form of a plate, strip or foil is three-dimensionally deformed in a hot shaping step to form specified local elevations on at least one side, which are spaced apart from one another.