Abstract: Dirty air contaminated with cotton dust or the like is alternately directed against the left-hand section of a filter screen, then the right-hand section by a pair of movable baffle plates or vanes. While the dirty air impinges upon one section of the filter screen, backwash air is blown in the reverse direction through the opposite section of the other section to flush the impurities there collected. Upon receipt of a pressure differential generated signal that the one side is loaded, the baffle plates or vanes are moved to the opposite position whereby the one section of the filter screen is cleaned by the backwash air while the dirty air impinges upon the opposite side section. The interior of the filter apparatus is so constructed that the backwash air, after passing through the filter screen in the reverse direction circulates back beneath the vanes and exits in the forward direction through the screen with the clean air.

Abstract: A high-speed water separator comprising a multiplicity of spaced, hollow deflection vanes located in the change of direction plane of a pipe elbow. The suction openings present on the concave vane side are holes located in rows along the vane, these holes being provided with a cover strip extending over the complete row. There is a distance between the cover strip and the vane surface in the plane of the openings and upstream of the openings. Downstream of the openings, the cover strip is connected with the vane surface so as to be water-tight. A multiplicity of side gaps are located in the side walls directly above the concave vane side at the connecting points of the deflection vanes with the side walls.

Abstract: An all-TEFLON filter-degasser for removing solids and gases from a solvent. The filter-degasser has a filtering portion, a vacuum application portion downstream of the filtering portion, and a solvent bottle connecting portion. The vacuum application portion includes an externally tapered male member, and the solvent bottle connecting portion includes an internally identically tapered female member. The male member can be inserted into and withdrawn from the female member without requiring any relative rotation therebetween, so that the filter-degasser can be connected hermetically airtight to the solvent bottle likewise without any rotation being required therebetween. This abstract is not to be taken either as a complete exposition or as a limitation of the present invention, however, the full nature and extent of the invention being discernible only by reference to and from the entire disclosure.

Abstract: A canister to be used in the fuel supplying system of an internal combustion engine of a vehicle, is disclosed. The canister is provided with a fuel vapors guiding pipe for guiding the fuel vapors from a fuel vapors inlet port into a bed of adsorbent material accomodated within a housing, and a deflector for deflecting the flow of fuel vapors guided by the guiding pipe so as to be dispersed throughout the bed. The deflector is formed of air-permeable material having a flowing resistance slightly larger than that of the bed into a frusto-conical plate. According to the present invention, one part of the fuel vapors flowing into the bed through the guiding pipe in the fuel vapors adsorbing process flows along the upper surface of the deflector in the direction of the upper portion of the bed and another part of the fuel vapors flows through the deflector in the direction of the lower portion of the bed.

Abstract: The present accessory is connected between the pickup head and the intake of a dry vacuum cleaner to catch water drawn in through the pickup head when the vacuum cleaner is in operation. The accessory has a housing with a water collection chamber and a baffle in the way of the discharge from an intake fitting which can be connected to a hose having the vacuum pickup head at its opposite end. An outlet fitting on the housing is out of the direct path of the discharge from the intake fitting. This outlet fitting can be attached to a hose leading to the intake of the vacuum cleaner.

Abstract: An air intake unit for an internal combustion engine, especially for installation in a zone of a roof of a driver's cab of a utility vehicle. The air intake unit includes an approximately square intake box having an inlet port located along a longitudinal side thereof. The inlet port is covered with a perforated plate and an air intake conduit is provided for leading to the internal combustion engine. The intake conduit is connected to an outlet port of the intake box on one end face thereof. And an air baffle is arranged in the intake box in an area of the outlet port for shielding the outlet port with respect to the inlet port. The air baffle is equipped with a plurality of perforations.

Abstract: This invention is concerned with a removable filter to prevent the buildup of Creosote in chimneys which become vulnerable to fires.A hollow enclosure means that is adapted to connect between the chimney and the fire source has within it a support for mounting a filter. The filter is made of a special metal, is knitted with small openings therein permitting the flow of smoke but at the same time to reduce the particles into a minute white ash. The filter acts as a continuous burn reactor. A door is provided whereby the filter can be easily removed from the hollow enclosure and cleaned so that it can be used for an indefinite period without replacement.

Abstract: A fume extraction assembly comprises an elevated canopy adapted to collect fume; and elongated outlet means offset from an apex of the canopy and having gas flow characteristics compensating for a tendency to uncontrolled extraction rates along said outlet means.

Abstract: An apparatus for contacting a fluid stream with a bed of catalyst wherein solid particulate matter is removed from the fluid stream before contact with the catalyst bed. The fluid stream is tangentially discharged into a circular trough located in an upper section of a vertically disposed cylindrical vessel. The inner wall of the trough is porous to allow drainage of liquids, and vapors exit the trough through its open top. The vapors than pass downward through the open center of the trough and contact the catalyst bed located in the lower section of the vessel.

Abstract: A method of treating air containing odoriferous substances of both large and small molecular weights includes the step of establishing a flow of the air containing the odoriferous substances. The stream of flowing air is exposed to a bath in the form of a fine spray or mist of a concentrated solution of potassium permanganate at a first treatment zone to primarily oxidize the odoriferous substances having the smaller molecular weights and wash the air. The air is then passed through an adsorbing medium in the form of a bed of activated carbon at a second treatment zone to substantially adsorb and remove the remaining odoriferous substances having the larger molecular weights. Advantageously, the mist or droplets of the spray solution are removed from the air subsequent to movement from the first treatment zone and prior to movement into the second treatment zone. With the method, the air is substantially free of odoriferous substances upon removal from the second treatment zone.

Abstract: A precision aerosol divider used primarily as a calibration device for a mass monitor instrument. The divider is made up of a filter holder with an isokinetic probe in the center that is connected to the inlet of the monitoring instrument. This type of arrangement provides for a flow split by a fixed ratio of the incoming aerosol stream into the filter and mass monitor. A special filter clamping device minimizes the disturbance of the deposit thereon by preventing rotation of the filter. Two pins in a filter retaining ring located between two sections of the holder body act to provide this clamping function.