Abstract: A compact, rugged, variable reluctance, variable speed, electric motor capable of producing high torque at high electrical energy conversion efficiencies is provided. The present invention provides for a multi-stage motor design having a number of discreet rotor and stator elements on a common shaft. This configuration provided the simplest of magnetic structures and produces a powerful magnetic flux modeling design technique that is used to further optimize the motor design and subsequent control logic. Thermal mapping of the magnetic mass provides for advanced cooling techniques that are used to insure long in-service life in the most extreme of industrial applications. The electric motor inherently provides low vibration thereby greatly reducing noise; low turn to turn voltage potential thereby eliminating costly phase to phase shorting potential; efficient motor operation through the reduction in switching and copper losses in both the machine and its control.

Abstract: A compact, rugged, variable reluctance, variable speed, electric motor capable of producing high torque at high electrical energy conversion efficiencies is provided. The present invention provides for a multi-stage motor design having a number of discreet rotor and stator elements on a common shaft. This configuration provides for the simplest of magnetic structures and produces a powerful magnetic flux modelling design technique that is used to further optimize the motor design and subsequent control logic. Thermal mapping of the magnetic mass provides for advanced cooling techniques that are used to ensure long in-service life in the most extreme of industrial applications. The electric motor inherently provides low vibration thereby greatly reducing noise; low turn to turn voltage potentials thereby eliminating costly phase to phase shorting potential; efficient motor operation through the reduction in switching and copper losses in both the machine and its control system.

Abstract: A transmission fluid filter material and transmission filter produced therefrom comprising a gradient density composite felt which exhibits high particle removal efficiency at 40 micron diameter particle size and larger with exceptionally high dirt holding capacity and no significant increase in clean pressure drop. The upstream portion of the composite felt contains fine fibers that selectively remove first the fine particles while the downstream portion acts to sieve coarse particles and build a porous filter cake, thereby extending the useful life of the filter.

Abstract: A transmission fluid filter material and transmission filter produced therefrom comprising a gradient density composite felt which exhibits high particle removal efficiency at 40 micron diameter particle size and larger with exceptionally high dirt holding capacity and no significant increase in clean pressure drop. The upstream portion of the composite felt contains fine fibers that selectively remove first the fine particles while the downstream portion acts to sieve coarse particles and build a porous filter cake, thereby extending the useful life of the filter.

Abstract: A communications controller is disclosed for use in a wireless communication system having a plurality of antennas capable of simulcasting forward-channel messages at a first downtilt angle below horizon and receiving reverse-channel messages at a second downtilt angle, wherein the second downtilt angle is less than the first downtilt angle. The communications controller, which is associated with the plurality of antennas, is capable of (i) scheduling transmission of ones of the reverse-channel messages at a same frequency in a same time slot, and (ii) receiving reverse-channel messages of two communication units proximate a local antenna at separate more remote antennas in response to the second downtilt angle of the separate more remote antennas.

Abstract: A communications controller is disclosed for use in a wireless communication system having a plurality of antennas capable of simulcasting forward-channel messages at a first downtilt angle below horizon and receiving reverse-channel messages at a second downtilt angle, wherein the second downtilt angle is less than the first downtilt angle. The communications controller, which is associated with the plurality of antennas, is capable of (i) scheduling transmission of ones of the reverse-channel messages at a same frequency in a same time slot, and (ii) receiving reverse-channel messages of two communication units proximate a local antenna at separate more remote antennas in response to the second downtilt angle of the separate more remote antennas.

Abstract: A messaging system (10) is provided that comprises an RF transmission system (12). The RF transmission system (12) comprises an RF control system (14) which receives message traffic from a messaging gateway system (20). The messaging gateway system (20) receives messages in a variety of protocols from remote messaging system (30). The messaging gateway system (20) translates the messages received from remote messaging system (30) and constructs messages to be delivered to subscriber devices (28) through the RF transmission system (12). A subscriber device (28) can issue commands that are transmitted to the remote messaging system (30) or to remote system controller (32) controlling a remote-controlled system (34).

Abstract: An eyeglass frame is provided with braces that extend downwardly and rearwardly from the top of eyeglass lens holders to pass outboard adjacent and at an angle to rearwardly extending eyeglass temples. Adjustable biasing means are provided in the braces so that the temples can be biased inwardly toward each other against the head of a wearer to a selected degree. The braces apply an inward bias well to the rear of the temple hinges.

Abstract: This invention provides a method and apparatus for exhausting rising fume from a fume-producing apparatus into a hood opening located above but laterally displaced from the fume-producing apparatus. A first jet producing a moving curtain of air is directed generally across the fume-producing apparatus from the side thereof which is remote from the hood, with the curtain at least wide enough to span substantially the whole of the rising fume. A second jet produces a second moving curtain of air travelling generally upwardly toward the hood opening from a position spaced generally beneath that opening. The energy and direction of the first jet and the resultant air curtain are such that, if the second jet were not present, the resultant paths for all portions of the air/fume mixture would traverse the general region between the hood opening and the position of which the second jet originates.