General Electric Company

Senthil Kumar Sundaram

Rohini Krishnamoorthy

Cariappa Achappa Baduvamanda

Systems and apparatus are provided through which in some embodiments a compact X-ray generator having a cylindrical shape has a power supply located directly behind the cathode and/or anode inputs to the X-ray tube in some embodiments.

Systems and apparatus for a compact low power X-ray generator

In one embodiment, a voltage rectifier circuit for a radiation generator is provided. The voltage rectifier circuit is configured to be used in a voltage multiplier circuit and a voltage doubler circuit. The voltage rectifier circuit comprises at least one first printed circuit board and at least one second printed circuit board coupled to each other using a plurality of connectors. Further, each printed circuit board comprises, a first terminal, a second terminal, a third terminal, a diode assembly externally connected between the first terminal and the second terminal and a capacitor assembly embedded between the second terminal and the third terminal.

High voltage tank assembly for radiation generator

In some embodiments, a voltage grading and shielding method for a high voltage component, is provided. In some embodiments, the method includes configuring at least one first track constructed of a metal or an alloy, at a first location predetermined from the mounting position of the high voltage component, and at least one second track constructed of a metal or an alloy thereof, at a second location predetermined along the length of the high voltage component. In some embodiments, the configured at least one first track substantially reduces the stray capacitance effect and the at least one second track produces a substantially linear voltage distribution along the length of the high voltage component.

Voltage grading and shielding method for a high voltage component in a PCB and an X-ray apparatus

The present invention provides an in-line filament transformer for a vacuum device. The filament transformer comprises: a core; a primary winding and a secondary winding wound around the core, wherein the secondary winding is biased at a high voltage and the primary winding is placed in line with the secondary winding; and a shield for shielding the primary winding. In an embodiment, the transformer comprises a bobbin for incorporating primary winding and secondary winding. An arrangement of increasing creepage distance is incorporated in the bobbin by providing plurality of sections on the bobbin. The invention also provides a shield in the primary section of the bobbin for shielding the primary winding from the secondary winding. In an embodiment the shield is in the form of shield winding of thin wires wound in a defined manner.

Filament transformer for X-ray tubes

A radiation generator comprising a radiation source, a high voltage tank assembly to energize the radiation source and a power circuit configured to supply alternating current (AC) power to the high voltage tank assembly is provided. The high voltage tank assembly comprises a voltage multiplier assembly configured to include a printed circuit board comprising multiple slots, plurality of electrical components configured to be mounted on the printed circuit board and at least one insulating cover with multiple projections configured to be placed on one of the first surface and the second surface of the printed circuit board. Further, the projections of the insulating cover are configured to fit into the slots of the printed circuit board. The projections when fitted into the slots provide insulation barrier to the electrical components mounted on the printed circuit board.

Methods and arrangements for providing insulation in an X-ray generator are provided. The method includes providing an insulation member having a conductive element electrically coupled to a component within an X-ray system. The insulation member is located at a distance from the component with a thermal transfer fluid between the conductive element and the component. The method further includes configuring the conductive element to have an electric potential substantially equal to an electric potential of the component wherein the electric field within the thermal transfer fluid is reduced.

Insulation methods and arrangements for an X-ray generator

An apparatus for controlling the transmission of electromagnetic radiation generated in a radiation generator is provided. The apparatus includes a printed circuit board having a substrate layer and at least one medium layer bound to the substrate layer. The printed circuit board is configured to control the transmission of the electromagnetic radiation.

Apparatus for controlling radiation in a radiation generator

An apparatus to control transmission of an electromagnetic radiation generated by a radiation source of a radiation generator is provided. The radiation source includes an anode opposite a cathode. The apparatus comprises at least one printed circuit board assembly fastened at the anode of the radiation generator. The printed circuit board assembly comprises at least one first layer that includes a conduit to receive a mechanical device attaching the anode at the at least one first layer.

Methods and arrangements for reducing partial discharges on a printed circuit board are provided. A method of reducing partial discharge in a printed circuit board includes providing a conducting surface coupled to a component under at least one of electrical and thermal stress, wherein the conducting surface is a metallic plate.

Growing community of inventors

Navi Mumbai, India

Senthil Kumar Sundaram