摘要:
The invention relates to dirt separator module comprising a dirt-separation housing having an inlet and an outlet opening and defining a cyclonic airflow separator, and a suction source fluidly connected with the dirt-separation housing. A separator plate and a cylindrical wall of the dirt-separation housing form a toroidal cyclonic airflow chamber in the dirt-separator for aiding in the separation of dirt from a suction airstream developed by the suction source. The separator plate has an outer diameter smaller than the inner diameter of the cylindrical wall of the dirt-separation housing, creating a gap between the outer edge of the separator plate and the inner wall of the dirt tank. A further embodiment includes dual cyclonic separators fluidly connected through a filter assembly. A further embodiment includes a cyclonic separator in the form of a tangential helical ramp.
摘要:
There is provided a baby wipes warmer comprising a housing which defines an upper housing wall. It also comprises a liquid tank assembly that has an upper tank surface defining at least one vapor aperture therethrough. The tank assembly is disposed within the housing in a manner as to form an inside compartment between the upper housing wall and the upper tank surface. The warmer further comprises a heating element which is disposed within the housing to provide heat to the tank assembly. In this regard, a portion of liquid within the tank assembly transitions into vapors when heated by the heating element and flow to the inside compartment through the vapor aperture(s). By providing the vapors, the moisture and coloration of the baby wipes supported therein can be maintained while warming them.
摘要:
A method of performing a soft hand-off between a first and second satellite traveling on first and second orbiting paths with an one-dimensional active electronically scanned array includes tracking and communicating with a first satellite orbiting in a first orbiting path. A scan plane of the array is then mechanically positioned and aligned so that the scan plane intersects both the first and second orbiting paths of the first and second satellites. The array continues to track and communicate with the first satellite until the first satellite is nearing a predetermined scan limit of the active electronically scanned array. The array is then operated to scan and acquire the second satellite, and establish communications therewith. Tracking and communications with the first satellite is then discontinued.
摘要:
A vacuum cleaner convertible between a hand-held vacuum and a stick-type vacuum including a housing having a rondure first end and narrowing to a generally oblate, low profile nozzle at a second end, defining an opening in fluid communication with an interior of the housing. A releasably extensible dirt cup is slidably disposed within the opening in the second end and adapted to move between a retracted position within the housing and an extended position from said housing. The free end of the dirt cup is adapted to detachably retain a floor cleaning tool having a pivoting cleaning head for use on floors or other surfaces to be cleaned. The housing contains means for drawing high velocity air into the elongate dirt cup through the floor cleaning tool and/or free end of the elongate dirt cup so as to entrain dirt and debris and capture it within the dirt cup. The dirt cup is cleaned by withdrawing it from the end of the nozzle and removing the spun-bonded filter assembly before pouring the dirt cup contents into a separate container. The low profile housing, together with the extensible dirt cup and detachable floor cleaning tool, easily adapts to a variety of cleaning needs while simultaneously providing a lightweight and ergonomically balanced cleaning tool.
摘要:
Multiple processes and apparatuses for improving the prior system of making gas generant pellets or tablets made of sodium azide, molybdenum disulfide and sulfur wherein powdered ingredients thereof are slurried in water, subjected to wet grinding, spray dried to a powdered material which is molded into pellets or tablets which find use in vehicle crash bags or inflators.The first improvement to the old process and apparatus involves adjusting the basicity of the water to a pH of greater than 8.0 up to about 12.5 via the addition of sodium hydroxide, followed by the addition of sulfur and molybdenum disulfide and finally the sodium azide whereby azide addition is made to a basic mixture of the other ingredients thereby keeping hydrazoic acid concentration levels below about 3.times.10EXP(-3) moles per liter.The second improvement to the old process and apparatus involves (1) softening the water before its use in slurrying the powdered ingredients to remove undesirable Ca and Mg ions and/or (2) adding sodium sulfide and/or tri-sodium phosphate to the slurry to precipitate any remaining undesirable Ca, Mg, Pb, Fe, Mn and Cu ions as non-hazardous compounds. Each of these metal ions is reduced to no more than about 25 ppm or less.Also these two improvements are joined together to form a system wherein even better safety results occur.The improvements not only extend to the final product produced, but to the intermediates at the slurry stage as well as at the spray dried stage, which products differ due to significant elimination or minimization of hydrazoic acid and other contaminant metal ion species above mentioned.
摘要:
A hand held self-contained automated pipette for portable operation having an electrically operated digital linear actuator. The actuator preferably includes a stepper motor driving a rotor. A threaded screw is coaxially positioned within the rotor and is connected to an actuator shaft having elongate grooves slidable in a guide for preventing shaft rotation so that precise linear motion is imparted to the shaft. A pipetting displacement assembly having one of various sizes is removably attached for actuation by a common actuator including programmed movement of a displacing piston in a displacement cylinder to optimize air interface volume, neutralize variations in vacuum pipette effects, and provide an accommodated stroke and readout for improved accuracy while pipetting and/or titrating different ranges of volumes. Upon calibration the piston undertakes immediate excursion to an end of travel limit and after motor slippage is retracted to a home position. This home position is chosen for optimum preservation of an air interface volume between drawn liquid and the piston tailored with particularity to the displacement assembly being used. Multiple precision modes, including pipetting, multiple dispensing, titration, dilution, and measurement, are provided.
摘要:
An infant carrier foldable along a central plane is presented. The carrier comprises a frame and seat assembly foldable along the central plane and lockable in the open position. A unique trigger mechanism is provided which locks the carrier in the open position and provides a handle for adjusting the seat position and for folding the carrier.
摘要:
A movable console unit for dispensing drugs or other selected articles while retaining other carried articles therein. The device includes downwardly and forwardly directed ramps for loading the articles and delivery of the articles. A number of the ramps are arranged in vertical relation to one another and a selector belt is provided for each of the sets of ramps. The selector belt is selectably movable about the entire ramp structure and is provided with two openings which are maintained in alignment with the rear and forward end of one of the ramps such that articles may be loaded into or delivered from one such ramp in each vertical set. A stop mechanism is provided to extend across the front portions of the ramps and this stop mechanism permits discharge of one article from the ramp with which the opening of the selector belt is aligned. A selector switching arrangement is provided for each of the vertical ramp sets for proper alignment of the belt opening to the front of the ramp and a collector tray is positioned to catch and retain the articles upon delivery from the ramps. A protective front and rear door is provided to prevent removal of the articles unless properly delivered.
摘要:
An independently sprung front wheel assembly including a frame, a steering knuckle and associated road wheel, a control arm pivotally connected at its outer end to the steering knuckle and at its inner ends to a shaft mounted in a pair of spaced clamp members secured to the frame, a coil spring mounted between the control arm and the frame, and a pair of eccentric elastomeric bushings mounted around the shaft within the respective clamps, each bushing having a vertically oriented scalloped void or cut-out formed in the side thereof facing the wheel (1) for providing high deflection in the horizontal plane and low deflection in the vertical plane of the shaft and, hence, the control arm relative to the clamp members during road impact conditions, to substantially isolate the frame from such impacts, and (2) for controlling the compliance center about which the lower control arm pivots to minimize steering reaction that might be caused by braking and road impact conditions.
摘要:
A chopper assembly of the type normally mounted on a spray gun to chop and spray fiberglass or the like, and which includes a backup roll driven by an air motor and a cutter roll. The exhaust of the air motor is expelled through air jets in the cutter roll to help drive the cutter roll while also muffling the sound of the exhausting air. The chopper frame is mounted on the gun by a hollow universal joint of the ball and socket type, which carries air to the chopper at any chopper orientation without the need for external flexible hoses or the like.