Abstract: An apparatus for producing a three-dimensional object by spray deposition including a powder conveyance line A arranged to channel a flow of spray material entrained in a carrier gas to a nozzle (a first flow). The apparatus also has a process line B arranged to channel a flow of gas to the nozzle (a second flow). The apparatus also has a spray nozzle. The apparatus is such that pressure and temperature parameters of the first flow are controlled in real time, but for the second flow these parameters are not controlled in real time. The two flows merge to cause spray material to be propelled from the nozzle to a substrate to create a three-dimensional object.

Abstract: Tins invention relates to apparatus for producing a three-dimensional object by spray deposition. The apparatus has a powder conveyance line A line arranged to channel 5 a flow of spray material entrained in a carrier gas to a nozzle (a first flow). The apparatus also has a process line B arranged to channel a flow of gas to the nozzle (a second flow). The apparatus also has a spray nozzle 8. The apparatus is such that pressure and temperature parameters of the first flow are controlled in real time, but for the second flow these parameters are not controlled in real time. The two flows 10 merge to cause spray material to be propelled from the nozzle 8 to a substrate to create a three-dimensional object.

Abstract: An electric motor that includes an electronic motor controller is described. The electronic motor controller includes a motor management circuit and a power supply circuit physically separate from the motor management circuit. The motor management circuit includes an insulated metal substrate, driver components operably attached to the insulated metal substrate and operable to provide output signals for application to windings of the electric motor, at least one current sensor operable for sensing an amount of current applied to the windings of and electric motor, and at least one control device operably attached to the insulated metal substrate for controlling operation of the driver components. The power supply circuit includes a composite circuit card and power processing components operably attached to the circuit card and operable to convert an input voltage into at least one output voltage to be supplied to the motor management circuit.

Abstract: An electric motor that includes an electronic motor controller is described. The electronic motor controller includes a motor management circuit and a power supply circuit physically separate from the motor management circuit. The motor management circuit includes an insulated metal substrate, driver components operably attached to the insulated metal substrate and operable to provide output signals for application to windings of the electric motor, at least one current sensor operable for sensing an amount of current applied to the windings of and electric motor, and at least one control device operably attached to the insulated metal substrate for controlling operation of the driver components. The power supply circuit includes a composite circuit card and power processing components operably attached to the circuit card and operable to convert an input voltage into at least one output voltage to be supplied to the motor management circuit.

Abstract: A poly-phase electromagnetic device having n winding phases (n>2) wherein each phase is made from a single conductor strand wound in a lap form configuration. The windings are configured such that on assembly to a slotted magnetically conducive base a maximum of n?1 end turns overlapping is achieved so that the slot packing density can be optimized. The preferred configurations also enable neat and compact terminations which facilitates efficient packaging of the completed device. The windings are made either from discrete bobbins which are electrically interconnected upon assembly to the base, or alternatively from strings of continuously formed sub-windings. The latter process in particular enables full or partial automation of the winding and/or assembly process.