Abstract: Disclosed herein is a rotor assembly for an electric machine including a stationary shaft, a first bearing, a second bearing, a first pole segment, a second pole segment, a first internal fan, and a second internal fan. The first bearing is positioned at a first end of the shaft. The second bearing is positioned at a second end of the shaft. The first pole segment is supported by the first bearing and is rotatable about the shaft. The second pole segment is supported by the second bearing and is rotatable about the shaft. The first internal fan is attached to the first pole segment. And, the second internal fan is attached to the second pole segment.

Abstract: Disclosed herein is a rotor assembly for an electric machine which includes a shaft having a slip ring end. A first pole segment rotatable with the shaft. A second pole segment rotatable with the shaft. A slip ring end fan disposed adjacent to the second pole segment and rotatable with the shaft. And, a ring adjacent to the slip ring end fan, press fitted onto the slip ring end of the shaft and rotatable with the shaft, wherein the ring is press fitted to the shaft contacts the slip ring end fan and applies a clamping force to the slip ring end fan.

Abstract: A rotor assembly for an electric machine, which includes a shaft; a core positioned on the shaft; a field winding surrounding the core; a plurality of pole fingers configured to rotate with the shaft; the plurality of pole fingers each having a tip end, a root end, a straight trailing edge, and a curved leading edge; wherein the tip end is offset from the root end in a trailing direction with respect to rotation.

Abstract: A rotor for an alternator is provided which has the benefits of a thin bobbin, as well as the benefits of a single contact steel core, thereby increasing the dissipation of heat and maximizing the space for winding the field coil to increase the overall power provided by the rotor and alternator. The rotor includes a bobbin assembly having a hollow cylinder with a first end and a second end, a first end cap attached to the first end of the cylinder and a second end cap attached to the second end of the cylinder. The bobbin assembly further includes a metallic sleeve fitted inside the hollow cylinder and providing support to the hollow cylinder.

Abstract: A mail processor and a method for processing mail is provided. The mail processor severs envelopes along one or more edges and transports the envelopes to a work desk where an operator removes contents from the envelopes. A feeder draws envelopes from the bottom of a stack of mail placed in a hopper. The envelopes are serially fed by the feeder to a cutting assembly that severs each envelope along one or more edges. A transport assembly tilts each envelope in an inclined plane and presents the tilted envelope to an operator. An extractor opens the severed faces of the envelope to expose the contents to the operator and permit the operator to remove the contents from the envelope. In one embodiment of the invention, the envelope is discharged from the extractor to a verifier that confirms that the envelope is empty prior to disposal of the envelope.

Abstract: A stator of a rotary electric machine having secured core slot insulators includes a multi-phase stator winding, having a plurality of slot segments that are adapted to be radially inserted into a plurality of circumferentially spaced axially-extending core slots in a surface of a cylindrically-shaped stator core. The stator winding includes the plurality of slot segments alternately connected at the first and second ends of the stator core by a plurality of end loop segments to form the winding. At least one of the core teeth includes a distal end that is staked such that the distal end of the at least one core tooth is flared outward circumferentially to secure the stator winding within the core slots.

Abstract: An electrical alternator is disclosed having a high output bobbin. The rotor assembly of the alternator includes a bobbin assembly having an expandable split or seam through a section of the bobbin assembly, a field coil that is wrapped around the bobbin assembly, and a pole assembly having an integrated hub for receiving the field coil wrapped bobbin assembly. The bobbin assembly can consist of either a single component or multiple components. The method for constructing the rotor assembly is also disclosed.

Abstract: A device for the self-assessment of the health of the oral cavity comprising a detector and a sampler located remote from one another on a foldable support, characterised in that the sampler can be contacted with the detector by folding the support, such that a sample can be transferred from the sampler to the detector.

Abstract: A pressure packer assembly adapted for positioning in a bore of a gas or oil well, and having a compressible sealing element which when actuated prevents fluid flow from below the compressed sealing element, with the packer assembly including the sealing element, having a lateral opening therethrough so that fracturing fluid passes through such lateral opening in the packer assembly into fracturing contact with the well bore. A notch gun coacting with the packer is also disclosed.