31results about How to "Efficiently circulated" patented technology

The present invention relates to an inline fan housing assembly adaptable for connection with conduits of various diameters. The inline fan housing assembly comprises a connector collar for connection to the inlet or exhaust ports of the fan housings to adapt the fan housings for connection to a variety of conduits having diameters not designed to connect with the inlet or exhaust ports of the fan housing. The inline fan housing assembly also comprises an inner inlet ring for adapting the inlet port of the inline fan housing to direct air into motorized impellor of various sizes mounted within the inline fan housing. The connector collars of the present invention contain one or more steps, each step suitable for connection with a conduit of a different diameter. In one exemplary embodiment, the inner steps of the connection collar are removable thereby allow for increased air flow through the connection.

The invention relates to a hydrodynamic bearing system particularly for use as a rotary bearing in a spindle motor for a hard disk drive, comprising a shaft, a thrust plate firmly connected to the shaft by means of a pressfit connection and a bearing sleeve closed at least at one end by a cover plate, the bearing sleeve enclosing the shaft and the thrust plate with a slight radial or axial spacing forming a concentric bearing gap filled with a lubricant. In the hydrodynamic bearing system according to the invention, it is provided that the outer circumference of the shaft, in the area of connection with the thrust plate, has a surface interrupted by regular depressions, preferably formed by knurling, in order to decrease the contact surface proportion of the fit surface. As an alternative, the inner circumference of the thrust plate can also be knurled in the area of connection with the shaft.

Disclosed is a system and method for treating domestic and industrial biological waste using diffusers to force circulation and aerate a treatment lagoon. Several lagoons may be used in series to treat raw waste and different variations may be employed to stepwise process the waste. A blend of aerobic and anaerobic microbes is chosen to remove undesired species initially present in the waste or later formed therein, as well as to process the waste itself, depending on the nature of the waste. Aeration with slightly ozonated or oxygenated air facilitates rapid and complete processing of large amounts of waste.

A pneumatic material conveying system, particularly a waste conveying system, which conveying system comprises at least one feed point (61, 66) of material, particularly of waste material, a material conveying pipe (100, 101, 102) which is connectable to the feed point (61, 66), a separator device (20) in which the material being conveyed is separated from conveying air, and means (3, 4) for providing a pressure difference in the conveying pipe (100, 101, 102) at least during the conveyance of the material. At least a part of the conveying pipe (100) and conveying air channels (105, 106) is formed as at least one circuit in which the suction side of at least one vacuum generator (3) is connected, and the system comprises at least one blower device (4) the suction side of which is connected to the air channel (105, 106) coming from the separator device (20) of the circuit and the blowing side to the conveying pipe (100) or a section of the circuit in connection with the conveying pipe so that it is possible to circulate air with the blower device (4) in said circuit.

An accessory arrangement for a refrigerator door, and accessories being in the form of can holders (20), median shelves (30), wire frame shelves (30a), and other means for supporting the products to be refrigerated, said door (10) of the refrigerator having an internal wall (11) carrying retaining means (12), which are identical to each other and disposed according to horizontal rows and vertical columns, each retaining means (12) being able to receive and retain, simply by fitting a respective engaging means (40) incorporated to one of said accessories to be removably affixed to the internal wall (11) of the door (10). The distances between the vertical columns of the retaining means (12) and the widths of the accessories are designed so that the useful width of said internal wall (11) is fully occupied with multiple accessories adjacently disposed side by side.

A method for sortingly conveying materials in a pneumatic material conveying system, such as a waste conveying system, in which method, material being conveyed is fed from at least one feed point and conveyed in a conveying pipe (100) by means of a pressure difference to a reception point in which the material is separated from conveying air in a separator device (20). In the method, different material sorts are fed from one or more feed points (61A, 61B, 61C) at a time and conveyed to a reception site for at least a part of the conveying travel in the same conveying pipe and, in the method, at least a part of the conveying pipe (100) is cleaned between the conveying processes of different materials or at least when required.

Disclosed is a system and method of digesting raw animal waste using diffusers to force circulation and aerate a digesting lagoon. Several lagoons may be used in series to treat raw waste and different variations may be employed to successively digest raw waste. Aeration with slightly ozonated air facilitates a blend of aerobic and anaerobic microbes to quickly and completely digest large amounts of raw animal waste.

A method in a pneumatic material conveying system, such as a waste conveying system, which conveying system comprises at least one feed point (61) of material, particularly of waste material, a material conveying pipe (100) which is connectable to the feed point (61), a separator device (20) in which the material being conveyed is separated from conveying air, and means (3, 4) for providing a pressure difference in the conveying pipe (100) at least during the conveyance of the material. At least a part of the conveying piping (100) is connectable as a section of a circuit in which conveying air is circulated at least during the conveyance of the material with at least one first pump device, such as a vacuum unit (3), and with at least one second pump device, such as a blower unit (4).

Method in a pneumatic materials moving system, having at least one input point with a material transfer pipe connected to an input point. At least one separating device, in which the material to be conveyed is separated from the conveying air. A pressure difference and/or a conveying air current in the transfer pipe. At least during conveyance of the material with at least one pump unit at least one transfer pipe section in which conveying air is circulated and at least one transfer pipe section in which conveying air is not circulated. The conveying route of the material in the transfer piping is formed partly from the transfer pipe section in which conveying air is not circulated and partly from the transfer pipe section in which conveying air is circulated.

A method in a pneumatic material conveying system, such as a waste conveying system, which conveying system comprises at least one feed point (61) of material, particularly of waste material, a material conveying pipe (100) which is connectable to the feed point (61), a separator device (20) in which the material being conveyed is separated from conveying air, and means (3) for providing a pressure difference in the conveying pipe (100) at least during the conveyance of the material. At least a part of the conveying piping (100) is connectable as a section of a circuit in which conveying air is circulated at least during the conveyance of the material and, in the method, conveying air circulation is connected, at least momentarily, to a reverse direction in relation to the normal conveying direction, at least in a section of the circuit, which section of the circuit is formed by at least a part of the conveying pipe (100), advantageously for removing a possible blockage.

The invention relates to a method for preparing a gold-containing solution by chloride leaching from gold-bearing raw materials. A further object of the invention is to provide a method for recovering gold and optionally silver from the prepared gold-containing solution. The invention relates also to a process arrangement for recovering gold and optionally silver.

An artificial heart and lung apparatus includes a roller pump; a blood removal line; a first blood transfer line; a blood removal rate sensor; a control unit that performs the linked control of the roller pump in correspondence with a blood removal rate; and a blood transfer rate adjustment unit that instructs the roller pump to transfer a blood transfer rate. The blood transfer rate adjustment unit includes an operation amount input unit to which an operation amount from an arbitrary circumferential position can be input, and which outputs a pulse signal according to the input operation amount. A counter adds and subtracts pulse signals output from the operation amount input unit, and outputs a resultant as blood transfer rate adjustment data. The counter performs a counting operation with respect to the circumferential position of the operation amount input unit when blood transfer control transitions to the normal control.

A conveyance facility system for transporting an appropriate amount of work at a time at an appropriate time to the consumption side area by automatically controlling through a computer control system an automated guided vehicle for allowing a truck that has mounted the work in the supply side area to travel accompanying the vehicle from the supply side area to the consumption side area along the guidance course of the automated guided vehicle, and allowing the empty truck that has unloaded the work in the consumption side area to return to the supply side area. The work conveyance facility system comprises a plurality of work mounting trucks (2) for loading and conveying work, an automated guided vehicle (3) for allowing the work mounting truck (2) to travel accompanying the vehicle to a set position and releasing the truck thereat, and a guidance course of the automated guided vehicle (3). The guidance course is constituted of a supply side line (4) for loading the work onto the work mounting truck (2) in the supply area (1) and driving the truck, a consumption side line (6) for leading in the work mounting truck (2) and driving the empty work mounting truck (2′) that has unloaded the work in the consumption area (5), and a buffer line (7) for coupling the supply side line (4) with the consumption side line (6).

Workpieces are disposed between a pair of side walls in a heat treatment chamber. A centrifugal fan is disposed to face the workpieces inside the heat treatment chamber, and sucks gas from the workpiece side and generates air current. In regions at the respective side wall sides relative to an intermediate position between the pair of side walls, an air current regulation unit regulates the air current so as to restrict flows of the air current from the centrifugal fan to the respective side wall sides when a rotary blade of the centrifugal fan rotates in regions in which outer circumferential edge portions of the rotating rotary blade separate from the respective side walls, and allows the flows in regions in which the outer circumferential edge portions of the rotating rotary blade approach the respective side walls.

The present invention is directed to a system (100) maintaining chilled temperature in a cold storage (102) comprising: a plurality of coolant layers 104 uniformly placed on the roof of said storage (102); each coolant layer comprising multiple coolant plates (106) stacked in rows and columns; a compressor (110) generating airflow and circulating airflow in a circular pattern from top to bottom in said (storage 102); thereby maintaining temperatures in the range −25° C. to +25° C. in said storage; said plurality of coolant layers (104) being placed in close proximity to said compressor (110) for effectively circulating airflow; a coolant holder frame (108) for uniformly adjusting said multiple coolant plates (106) in said plurality of coolant layers (104), and allowing efficient airflow from top to bottom in said storage (102); base of said storage being provided with, holes (112), throughout for sucking the air circulated by said compressor (110) to improve the circulation of airflow in said storage (102); and said storage (102) being insulated to increase the thermal insulation coefficient to maintain the desired temperature in said storage, thereby freezing said coolant layers.

Rotary vane internal combustion engine comprises of two rotors, nested in each other, placed in a cylindrical housing, wherein each rotor has at least two radial vanes rigidly attached to the rotor that form chambers for intake, compression, combustion, and exhaust. Each rotor, alternately engages with a shaft by overrunning one-way clutches and held from turning back, through the cushioning mechanisms, mounted on flywheels, which are rigidly attached on the shaft, wherein the assembled rotors from the outside are rigidly closed by flanges on each of which is mounted at least one blade, which are placed into formed cavity between rotors and caps of the housing thereby forming two cooling chambers through which coolant circulates around rotors through openings in the housing and through longitudinal grooves in the shaft. On the vanes mounted cylindrical and conical seals that exclude the need for lubrication.

A scavenging pump is utilized to draw oils from a catch tank that collects the oils supplied to components to an oil pan that reserves therein the oils. The scavenging pump includes gears to draw the oils, and a housing that stores therein the gears. An oil receiving portion capable of receiving the oils injected from the exterior is formed in an outer circumferential surface of the housing, and an oil introducing hole that introduces the oils injected to the oil receiving portion into the interior is opened at a position continuous from a lower part of the oil receiving portion and facing the gears.