The present disclosure relates to a cooling system that includes a superconducting unit and a reservoir configured to store liquid coolant to cool the superconducting unit. The cooling system also includes an auxiliary storage system that includes one or more storage tanks fluidly coupled to the reservoir. The auxiliary storage system is configured to provide additional coolant to the reservoir as well as receive and store coolant from the reservoir.

According to some aspects, a laminate panel is provided. The laminate panel comprises at least one laminate layer including at least one non-conductive layer and at least one conductive layer patterned to form at least a portion of a B.sub.0 coil configured to contribute to a B.sub.0 field suitable for use in low-field magnetic resonance imaging (MRI).

A magnetic resonance imaging apparatus according to an embodiment is a magnetic resonance imaging apparatus including a gradient coil unit configured to generate a gradient magnetic field in an imaging space in which a subject is placed. The gradient coil unit includes a cooling layer configured to cool the gradient coil. The cooling layer includes a first cooling pipe configured to cool the gradient coil entirely and a second cooling pipe configured to locally cool the gradient coil.

According to some aspects, a method of suppressing noise in an environment of a magnetic resonance imaging system is provided. The method comprising estimating a transfer function based on multiple calibration measurements obtained from the environment by at least one primary coil and at least one auxiliary sensor, respectively, estimating noise present in a magnetic resonance signal received by the at least one primary coil based at least in part on the transfer function, and suppressing noise in the magnetic resonance signal using the noise estimate.

A method for reducing a tendency of a thermal radiation shield for a superconducting magnet of a magnetic resonance imaging system to vibrate. A mass per unit area of the material of the thermal radiation shield is locally modified in a random or pseudo-random pattern.

According to some aspects, a method of suppressing noise in an environment of a magnetic resonance imaging system is provided. The method comprising estimating a transfer function based on multiple calibration measurements obtained from the environment by at least one primary coil and at least one auxiliary sensor, respectively, estimating noise present in a magnetic resonance signal received by the at least one primary coil based at least in part on the transfer function, and suppressing noise in the magnetic resonance signal using the noise estimate.

A manifold for a gradient coil cooling manifold assembly of a MRI system includes a first main fluid passage defined by a first wall. The manifold also includes a first set of secondary fluid passages coupled to the first main fluid passage and defined by respective walls, wherein the first wall of the first main fluid passage and the respective walls of the first set of secondary fluid passages form barb connectors configured to couple to respective hoses. The manifold is formed as a single integral piece.

Apparatus for imaging during surgical procedures includes an operating room for the surgical procedure and an MRI for obtaining images periodically through the surgical procedure by moving the magnet up to the table. The magnet wire is formed of a superconducting material such as magnesium di-boride or Niobium-Titanium which is cooled by a vacuum cryocooling system to superconductivity without use of liquid helium. The magnet weighs less than 1 to 2 tonne and has a floor area in the range 15 to 35 sq feet so that it can be carried on the floor by a support system having an air cushion covering the base area of the magnet having side skirts so as to spread the weight over the entire base area. The magnet remains in the room during surgery and is powered off to turn off the magnetic field when in the second position remote from the table.

Homopolar linear synchronous machines are provided herein that include a mover device. The mover device includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device further includes at least one field coil.

A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.