摘要:
An improved rotor position sensing system for detecting the angular position of the rotor of a rotating machine with respect the stator of the machine that includes a shutter that is affixed to the rotor, a sensor board holder that is positioned within the stator such that it has known orientation with respect to the stator, and a sensor board including rotor position sensors that is positioned within the sensor board holder such that it has a known orientation with respect to the holder.
摘要:
A pump motor assembly operable to provide driving power to a fluid pump includes a rotor, a stator, a case housing the rotor and the stator, and a control assembly mounted to the case and operable to control motor operation. The control assembly includes an information display and a cover overlying the display, with a window section in general alignment with the display. The control assembly also includes a filler plate underlying the window section to prevent any air gap along an underside thereof, allowing the display to be visible while reducing the risk of condensation buildup. The control assembly further includes a low voltage housing with the display disposed in a first compartment defined thereby, and a high voltage housing with a high voltage component disposed in a second compartment defined thereby. The low voltage housing includes a thermal and fluid barrier that substantially fluidly separates the first and second compartments to reduce the risk of liquid electrical conduction therebetween and to reduce heat transfer into the low voltage housing.
摘要:
A pump motor assembly operable to provide driving power to a fluid pump includes a rotor, a stator, a case housing the rotor and the stator, and a control assembly mounted to the case and operable to control motor operation. The control assembly includes an information display and a cover overlying the display, with a window section in general alignment with the display. The control assembly also includes a filler plate underlying the window section to prevent any air gap along an underside thereof, allowing the display to be visible while reducing the risk of condensation buildup. The control assembly further includes a low voltage housing with the display disposed in a first compartment defined thereby, and a high voltage housing with a high voltage component disposed in a second compartment defined thereby. The low voltage housing includes a thermal and fluid barrier that substantially fluidly separates the first and second compartments to reduce the risk of liquid electrical conduction therebetween and to reduce heat transfer into the low voltage housing.
摘要:
In accordance with one or more aspects, a consumer device obtains advertisement event data indicating a time when an advertisement is to be presented, and maintains the advertisement event data in a log. Advertisement data corresponding to the advertisement event data is presented at the indicated time if the advertisement event data corresponds to a subscriber group of which the consumer device is a member, otherwise the advertisement data is not presented. In accordance with one or more other aspects, program event data and advertisement event data are both obtained. Electronic program guide data is generated including both the program data and the advertisement event data, and is sent to one or more consumer devices.
摘要:
A method and apparatus for recovering water and light aromatic hydrocarbons from a wet gas stream, by contacting the wet gas stream with an absorbent for the water and light aromatic hydrocarbons in a contactor to absorb the water and light aromatic hydrocarbons and produce a water and light hydrocarbon laden absorbent stream and a dried gas stream. The water and light aromatic hydrocarbon laden absorbent stream is heated in a regenerator to produce a vaporous water and light aromatic hydrocarbon stream and a lean absorbent for recycle to the contactor. The vaporous water and light aromatic hydrocarbon stream is passed to a condenser where liquid water and liquid light aromatic hydrocarbons are recovered and where a light gas stream is recovered for use as a fuel gas for the regenerator.
摘要:
A method and apparatus for drilling a wellbore in the earth from a location in a body of water wherein the drilling operation generates a substantial amount of a mixture of solid drilling cuttings, water, and at least one hydrocarbonaceous oil, wherein the water and oil are removed from the solid drilling cuttings so that the cuttings are put into a condition in which they can be disposed of in the body of water or elsewhere without adverse effects.
摘要:
A method and apparatus for contacting particulate coal and a deactivating fluid, the apparatus comprising a mist contacting vessel wherein the coal and a deactivating fluid mist are contacted to produce a coal-deactivating fluid mixture. A method for producing the coal-deactivating fluid mixture is disclosed.
摘要:
A method for producing a dried coal fuel having a reduced tendency to spontaneously ignite from a low rank coal by drying the low rank coal and thereafter cooling the dried coal to a temperature below about 100.degree. F. Optionally the dried coal is partially oxidized prior to cooling, and optionally the dried coal is mixed with a deactivating fluid.
摘要:
In an oil shale retorting process, hot heat-carrying spherically-shaped solids are cycled to a retort zone to mix with and retort crushed oil shale, thereby producing gas and oil products and a mixture of irregularly-shaped, laminar spent shale and spherically-shaped solids. The spherically-shaped solids are separated and recovered from the spent shale for recycle through the process. In one stage of the separation procedure, a mixture of spent shale and spherically-shaped solids is fed to a continuously restored inclined surface whereon the spherically-shaped solids roll from the surface while the irregularly-shaped spent shale solids are separately removed from the inclined surface. Continuous restoration of the inclined surface is achieved through movement of the feed and the impingement area of the inclined surface relative to each other. The separation system may be used for separating other types of spherically-shaped solids which will roll from nonspherical, irregularly-shaped solids which do not roll.
摘要:
A controller includes a voltage determination module, a bus voltage command module, and a power factor correction (PFC) control module. The voltage determination module determines a desired direct current (DC) bus voltage for a DC bus electrically connected between a PFC module and an inverter power module that drives a compressor motor. The voltage determination module determines the desired DC bus voltage based on at least one of torque of the compressor motor, speed of the compressor motor, output power of the inverter power module, and drive input power. The bus voltage command module determines a commanded bus voltage based on the desired DC bus voltage. The PFC control module controls the PFC module to create a voltage on the DC bus that is based on the commanded bus voltage.