Abstract: An elbow for use in connecting the exhaust vent of a clothes dryer to an exhaust duct. The elbow having a depth equal to or less than the exhaust duct diameter while maintaining a constant exhaust airflow velocity. Preferably, the elbow comprises a rectangular portion connected to the dryer exhaust vent and an adapter portion extending from the rectangular portion and connecting to the exhaust duct.

Abstract: A vacuum rotary dryer capable of charging solids into a rotary drum and discharging the solids from the rotary drum without any manual operation contacting solids with the hands is provided. A rotary drum (23) is mounted thereon with a gas flow pipe (46) and a solids feed and discharge pipe (56). The solids feed and discharge pipe (56) is connected to a feed source of the solids and a pressure reducing unit (53) reduces a pressure in the rotary drum through the gas flow pipe (46), to thereby feed solids to be dried to the rotary drum (23). After drying of solids in the drum, the solids feed and discharge pipe (56) is connected to a solids suction and transport structure and the gas flow pipe (46) is rendered open to an atmospheric pressure. A swing section (56b) of the solids feed and discharge pipe (56) is pivotally moved, to thereby be intruded into solids while keeping the rotary drum (23) inclined, resulting in solids being removed through a distal end of the swing section by suction.

Abstract: A new Soffit Mounted Dryer Vent for offering a non-maintenance exhaust vent system for a clothes dryer vent that terminates in a soffit of a roof overhang. The inventive device includes a flange, a dryer hose adapter ring, an outlet fitting, and a vent flapper. The flange has an air passage, an upper surface, and a lower surface. The air passage allows exhaust air to pass through the flange from the dryer hose adapter ring to the outlet fitting. The dryer hose adapter ring is symmetrically mated to the upper surface of the flange. The dryer hose adapter ring has an outer wall diameter of substantially the same dimensions as the clothes dryer vent hose thereby allowing the clothes dry vent hose to matingly slip over the dryer hose adapter ring. The outlet fitting, having an outlet opening, is adjoiningly mated to the lower surface of the flange. The vent flapper is pivotally attached to the outlet fitting at the outlet opening.In use, the clothes dryer vent hose is slipped over the dryer hose adapter ring.

Abstract: A method, and associated apparatus, for drying harvested brine shrimp cysts for storage for subsequent hatching for fish food. The cysts are washed with fresh water, and strained through a sieve to remove foreign material, flotation separated to eliminate dead cysts, strained out of the water, dewatered centrifugally, and finally dried in a special apparatus which prevents any caking of the cysts together. The drying apparatus includes a drum with cyst-retaining porous walls, mounted on its side to rotate in a vented housing about its longitudinal axis. Drying air is blown into the rotating drum, exiting through the porous walls, drying the cysts without caking.

Abstract: For controlling the quantities of supply, waste and recycled air which can be transported by means of a blower (36) for the drying process in a drier (10), this latter comprises a cohesive valve space (38) in which two valve flaps (40 and 42) can be pivoted by a drive. According to the position which the two valve flaps occupy, so the quantities of air supplied and carried away through the apertures (54, 62, 70, 74, 76, 80) in the valve chamber (38) for the drying process are controlled. A third valve flap (44) which can be triggered by a drive controls the process of blowing the washing out of the drier drum (16) after drying. For the sound and heat insulation of the drier (10), a housing (150) in two halves (152 and 154) which covers the blower (36) and the heat exchanger (34) is provided over the valve space.

Abstract: Apparatus for drying particles in an air flow, the air inlet of which opens freely into a rotating drum. Air is removed from the particles through one or more perforated hollow bodies immersed in the mass of rotating particles, as near as possible to the external periphery of the drum. Preferably, the hollow bodies are two in number and are arranged on either side of blades provided on the rotating drum. Each hollow body is of elliptical shape in cross section. Preferably, it is also provided to adjust the angular position of the hollow body or bodies relative to a vertical plane through the drum axis.

Abstract: A device for high quality development of latent image on a strip of heat developable paper or film. The devices includes a heat conductive member which affords conduction of a uniform predetermined quantity of heat to all areas of the paper. The heat conductive member includes means to vent moisture from the paper to the atmosphere during the development process, to aid in bringing about uniform development of the paper or film. The heat conductive member may further include means to provide uniform pressure to the film or paper during the development process.

Abstract: A drying apparatus includes a cabinet, an open-ended drum having a horizontal axis disposed in the cabinet, support means for rotatably supporting the drum, an opening with a door disposed in the front panel and faced toward the open end of the drum, an air inlet port provided in the cabinet, an exhaust port provided on one side of the door on the front panel and communicating with the interior of the drum, drive means for rotating the drum in the direction in which the lower portion of the drum moves away from the exhaust port, and means for supplying heated air into the interior of the drum.

Abstract: In a drum which is rotatable about a horizontal axis of rotation, inlet and outlet lines for a gas, for drying a material contained in the drum, are connected to an immersion body. The immersion body has inlet and outlet openings for the gas and is disposed within the drum to be immersed in the material. The immersion body contains a tunnel through which the material can flow and has arranged in its interior at least some of the inlet and outlet openings for the gas.

Abstract: A copying machine such as a diazotype copier which uses developing reagents which produce fumes is provided with an economical attachment for scavenging any fugitive gas traces and passing them through a treatment cartridge. A manifold mounted in the machine housing has an insert strip with air access openings which can be sized to suit the requirements of a particular copying machine. An air conduit hose has a snap connection with the manifold and with one end of a blower housing the other end of which is attachable to and readily detachable from a unitary disposable supply package which is floor supported and supports the blower housing. The supply package includes a supply of gas generating development material in one portion, and in the other, a gas treatment cartridge of inexpensive disposable character which is so constructed as to pass incoming air down through a central tube and then upwardly through a tube-surrounding space containing gas treatment material and then into the surrounding atmosphere.

Abstract: A damper structure for a clothes dryer vent is disclosed. The damper structure comprises a support member adapted to be inserted inside the dryer vent adjacent the inside wall of a house, and a damper plate mounted on the support member, so as to form a closed air space between the damper plate and the regular closure damper of the dryer vent for minimizing heat losses through the dryer vent. In order to fit a dryer vent of circular cross-section, the damper structure comprises a central damper element hinged at the top of the support structure and two lateral damper elements hinged one on each side of the central damper element for allowing full opening of the damper plate into the tubular dryer vent.

Abstract: In a diazo-type copying apparatus, an improvement to prevent external leakage of gaseous ammonia to the atmosphere. The apparatus comprises a developing chamber, transport means within the chamber, means for introducing ammonia gas to the chamber, a first enclosure enclosing the chamber for sealing it from the atmosphere, a second enclosure containing the first enclosure as well as a perforated vacuum tube for collecting ammonia gases escaping from the first enclosure as well as for scrubbing ammonia gases from developed copies and exhausting the gases either to a liquid ammonia absorbing solution, a filter containing an ammonia absorbing solution, a cartridge containing ammonia absorbing pellets or a catalytic converter thereby preventing the ammonia gases from contaminating the atmosphere.

Abstract: The embodiment of the clothes dryer disclosed herein shows apparatus which operates on a vacuum principle to dry clothes or other material rapidly and economically. A rotary vane vacuum pump is incorporated into the dryer to efficiently exhaust the clothes holding compartment during rotation of a double drum assembly. The pump which is affixed to the stationary center shaft has a rotor which rotates with the double drum assembly. A radiant heating element can be mounted on the stationary horizontal center shaft directed into the clothes holding compartment to expedite the drying process.