23results about "Gas separation" patented technology

This invention relates to an airway dilation device (20) comprising a catheter (50); an inflation tube (90) within the catheter (50), and having a lumen (40) defined by its inner wall; a duct (160) within the catheter (50), for the insufflation of a fluid, the duct (160) being sealed against any fluid flow between it and the tube (90); a cluster of balloons (30), arranged about the catheter (50), the balloons (30) being manipulated between a stowed condition, in which the balloons (30) are deflated, and a deployed condition, in which the balloons (30) are inflated; and inflating means, for inflating the balloons (30); characterised in that, when stowed, each balloon (30) is folded and staggered relative to each adjacent balloon (30), and such that continuous insufflation remains possible, even when the deployed. This invention relates, further, to corresponding methods of deployment and retrieval of devices (20).

A cyclone separator useable in a surface cleaning apparatus comprises a cyclone chamber and a dirt collection chamber exterior to, and surrounding at least a portion of the cyclone chamber. The dirt collection chamber is in communication with the cyclone chamber via a dirt outlet. An air flow passage extending to the cyclone air inlet travels generally axially through the dirt collection chamber.

A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

A mobile air-filtering isolation system, the system including a base; a frame extending upwardly from the base; an air filtration unit mounted to the frame; and at least one flexible curtain extending downward from the air filtration unit, whereby to form an enclosure.

A semiconductor waste abatement system for a semiconductor processing system includes a vacuum pump, an abatement apparatus having an abatement chamber in fluid communication with a source of semiconductor waste gas from the semiconductor processing chamber, and with the abatement chamber configured to ionize the waste gas and to exhaust ionized gas. The abatement system further includes a filter apparatus with a filter chamber, which forms a liquid reservoir. The inlet of the filter apparatus is in fluid communication with the outlet of the abatement chamber and the liquid reservoir, and the outlet of the filter apparatus is in communication with the inlet of the vacuum pump, wherein the filter chamber is under a vacuum, and wherein semiconductor waste gas is ionized in the abatement chamber and then filtered by the filter apparatus prior to input to the vacuum pump.

The invention relates to a hand-held vacuum cleaner having a cyclone assembly that includes a cyclone and an external dirt collection chamber. The cyclone assembly has an openable front wall of the cyclone assembly and a lower openable portion that includes an openable front door that opens a lower end of the cyclone assembly.

A mobile air-filtering isolation system and method of using the system, the system comprising: a base; a frame extending upwardly from the base; an air filtration unit mounted to the frame; and at least one flexible curtain extending downward from the air filtration unit, whereby to form an enclosure. The method may comprise positioning the enclosure around a head and torso of a patient, and operating the air filtration unit so as to withdraw air from the enclosure.

The present invention generally relates to a method of joining and sealing a vanadium based membrane to a metallic connection section. The invention is particularly applicable to joining a tubular vanadium or vanadium alloy membrane to a stainless steel body and it will be convenient to hereinafter disclose the invention in relation to that exemplary application. The present disclosure also includes methods of joining and sealing a vanadium based membrane to a metallic connection section.

A hand-held vacuum cleaner comprising:a permanent magnet brushless motor comprising a drive shaft with a central axis; a fan having an outer diameter substantially the same as or less than the outer diameter of the motor, wherein the fan is coaxial with the motor; a rechargeable lithium ion battery for driving the motor; a first cyclonic separating unit comprising a hollow substantially cylindrical dirt container with a longitudinal central axis; and a second cyclonic separating unit comprising a plurality of cyclones each with an inlet port, an outlet port and a discharge nozzle, wherein the plurality of cyclones are arranged in a generally circular array about the longitudinal central axis, wherein the longitudinal central axis of the dirt container is parallel to the central axis of drive shaft.

A water vacuum sampling system comprising: an outer housing having a sampling port and a vacuum port, wherein the sampling port is configured to connect to a suction head and the vacuum port is configured to connect to an inlet hose of a vacuum; a velocity dampener cone disposed within the outer housing and configured to receive incoming water, air, and particles that have passed through the sampling port after being sucked up through the suction head, wherein the velocity dampener cone is perforated by a plurality of holes and flares away from the sampling port; a catch basin mounted within the outer housing and having an open upper end and a bottom outlet, wherein the velocity dampener cone extends into the open upper end; and a sample collection container removably attached to the bottom outlet.

A modular apparatus for coating glass articles with a chemical compound includes a coating hood section (10a) including a series of interconnected walls (12) defining an interior chamber (18, 20a, 20b) having an inlet (32) and an outlet (44), a blower (24) positioned at least partially in the interior chamber (18, 20a, 20b) to carry air from the inlet (32) towards the outlet (44); and a connector (50) for connecting the coating hood section (10a) to an identical coating hood section (10b). The connector (50) for connecting being defined on at least one of the interconnected walls (12) of the coating hood section (10a).

Chemical precursor recovery systems and methods of recovering and reusing semiconductor manufacturing chemistry are disclosed. The recovery systems include a cold trap inlet line in fluid communication with a plurality of cold traps and a cold trap outlet line. The plurality of cold traps is configured to condense the chemical precursors and are arranged based on semiconductor manufacturing process conditions.

An air filtration unit for withdrawing air from a room, purifying the withdrawn air, and then returning the purified air back into the room, the air filtration unit having: a housing configured to be mounted to a surface of the room; an air inlet formed in the housing; an air outlet formed in the housing; a passageway extending through the housing and connecting the air inlet to the air outlet; a filter disposed in the passageway for purifying the air in the passageway; and a suction fan disposed within the passageway for drawing air from the room into the air inlet through the filter and out of the air outlet to the room, whereby to capture at least one substance to the filter.

A mobile air filtration isolation system and method of using the system, the system including a base, a frame extending upwardly from the base, an air filtration unit mounted to the frame, and at least one flexible curtain extending downwardly from the air filtration unit to form an enclosure, the method can include positioning the enclosure around a patient's head and torso, and operating the air filtration unit to draw air from the enclosure.

Chemical precursor recovery systems and methods for recovering and reusing semiconductor manufacturing chemicals are disclosed. The recovery system includes a cold trap inlet line and a cold trap outlet line in fluid communication with a plurality of cold traps. The plurality of cold traps are configured to condense the chemical precursor and are arranged based on semiconductor manufacturing process conditions.

A hand vacuum cleaner has an air treatment assembly comprising an air treatment chamber, the air treatment assembly comprising a central longitudinal axis that extends centrally through the air treatment assembly from a front end of the air treatment assembly to a rear end of the air treatment assembly, the air treatment assembly having a front openable door, a sidewall extending between the front end of the air treatment assembly and the rear end of the air treatment assembly and a discrete volume is provided between the front openable door and an interior dirt collection region of the air treatment assembly.

USE OF ALUMINES AS CAPTURE MASS FOR ORGANOMETAL SILICON COMPLEXES. The present invention relates to a process for the capture of organosilicon complexes in the gas or liquid phase in a solid containing at least 80% by weight of alumina after calcination at 1000 ° C. Alumina has a total pore volume greater than 30 mL / 100 g, a fraction of the pore volume in pores with a diameter of 70 <143> or more or greater than 10 mL / 100 g and a specific surface area greater than 10 m¬ 2¬ / g.

An exhaust aftertreatment system enables maintenance by a single technician and ensures installation and alignment in a single location.

Component (10) for exhaust gas aftertreatment, with a housing (26) that defines an inner cavity (56) through which exhaust gases can pass, the housing (26) consisting of an inner body (34), an outer body (32) and a space (66) defined between the inner body (34) and the outer body (32), and an insulation package (100) positioned in the room (66), wherein the insulating package (100) consists of insulating material (102) encapsulated in a flexible fabric (104) and an at least partially rigid element (110) whose stiffness is greater than the stiffness of the insulating material (102) and the flexible fabric (104), characterized by that the at least partially rigid element (110) extends over a significant part of the width (W) of the insulation package (100) and thereby substantially prevents bending, curvature or compression of the insulation package (100) in the width direction, so that the insulation package (100) is generally flexible along its length (L) but substantially rigid along its width (W), and that the at least partially rigid element (110) is attached to an outer surface of the flexible fabric (104).

A hand vacuum cleaner has a cyclone assembly comprising a cyclone and an external dirt collection chamber. The cyclone assembly has a openable front wall of the cyclone assembly and a lower openable portion, which includes the openable front door, that opens a lower end of the cyclone assembly.

A hand vacuum cleaner has a hand vacuum cleaner axis that extends centrally from a front end of the hand vacuum cleaner rearwardly to a rear end of the hand vacuum cleaner. The hand vacuum cleaner has a cyclone assembly including a cyclone chamber and a dirt collection chamber. A line that extends in a common horizontal direction with the hand vacuum cleaner axis extends through the cyclone chamber and the dirt collection chamber.

To provide an air compressor capable of reducing a size of a drain area to discharge drain water outward from the air compressor.SOLUTION: An air compressor 1 includes a compressor 20 for compressing air introduced therein, and a tank 3 storing compressed air discharged from the compressor 20, the air compressor 1 being provided with a drain discharge pipe 42 for discharging air and the drain water from the tank 3 to the outside of the tank 3, and a drain cock 41 provided on the way to the drain discharge pipe 42 for opening / closing the drain discharge pipe 42. The air compressor 1 is provided with a discharge pipe tip part 42b as the tip of the drain discharge pipe 42 and having an upward discharge port 42c, and a cylindrical cover 43 including a top part 43a covering the drain pipe tip part 42b from an upper side.SELECTED DRAWING: Figure 4