Products/Services for Bi Directional Ceiling Fans
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Ceiling Fans - (85 companies)Ceiling fans are suspended from the ceiling of a room to provide a cooling or de-stratification effect. To circulate the air, they employ hub-mounted, rotating paddles that are made of metal or plastic. Many ceiling fans are equipped so...
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Fans and Blowers (industrial) - (1537 companies)Positive displacement (or rotary lobe) fans consist of multiple co-rotating, serpentine shafts that mesh to move air and gases in a controlled manner. The shafts mesh so tightly that backflow is prevented. Typically, bi-lobal fans and tri-lobal are used... -
Antennas - (1284 companies)...for auditory, visual, or data output. There are essentially two types of antenna constructions: omnidirectional and directional. Omnidirectional antennas radiate RF uniformly in all directions, with the power decreasing at elevations above or below... -
HVAC Fans and Blowers - (339 companies)...or above the ceiling (plenum fan), or used as part of a ducted system (duct fan). The fan spins or the blower turns by means of an electric motor, thus creating unidirectional air flow. Often, the air is pre-heated or cooled. Types of HVAC fans... -
Electronic Cooling Fans - (613 companies)Electronic cooling fans move air to cool electronic devices. Description. Electronic cooling fans move air to cool electronic devices such as computers and appliances. They are also used in telecommunications, military, and general industrial... -
Fan Guards - (59 companies)Fan guards are used to provide a physical barrier around spinning fan blades to prevent accidental contact with fingers or other objects. They are typically constructed using metal wire or plastic. Fan guards are manufactured in a variety...
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Ceiling Tiles and Panels - (133 companies)Ceiling tiles and ceiling panels are products and materials used to finish and/or decorate room ceilings. They are used with cathedral, coved, decorative, domed, shed, suspended, tray, and vaulted ceilings. Types of Ceiling Tiles and Panels...
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Pressure Blowers and Fans - (150 companies)Specifications. Pressure blowers and fans carry three types of specifications for fan or blower type: design configuration, drive options, and fan or blower class. There are three choices for design configuration: axial, bi-lobal or tri-lobal, and centrifugal...
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Nickel and Nickel Alloys - (443 companies)Nickel and nickel alloys are non-ferrous metals with high strength and toughness, excellent corrosion resistance, and superior elevated temperature properties.
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Horizontal Directional Drilling Machines (HDD) - (18 companies)Horizontal directional drilling (HDD) machines are steerable, trenchless drilling rigs for the installation of pipes, conduits, and cables underground. Horizontal directional drilling (HDD) machines are steerable, trenchless drilling rigs...
Product News
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Hilliard Corporation (The)
Automatic Bi-Directional 4WD Drive System Hilliard's Automatic Bi-Directional 4WD On-Demand Drive System is a versatile solution designed to be mounted anywhere on your drivetrain, making it ideal for both new designs and retrofit applications. Key features include: Bi-directional functionality: Provides automatic 4WD in both forward and reverse directions, ensuring reliable power delivery on demand. Turf protection: Helps eliminate turf damage caused by slippage on wet grass or inclines, improving productivity while reducing turf... (read more)Browse Mechanical Clutches Datasheets for Hilliard Corporation (The) -
Envirco
Ultra-Slim Ducted Ceiling Module for Clean Air Semiconductor Disk Drive Laboratory Pharmaceutical Nanotechnology. Known for product innovation and high quality, Envirco designed and manufactured the first commercial cleanroom, the first laminar flow surgical suite, the first personnel safety exhaust hood, and the first low profile fan filter unit (FFU). Continuing as the leader in product technology for more than 45 years, it is the combination of innovative products with superior service and support that makes Envirco the total clean air solution. (read more)Browse Fans and Blowers (industrial) Datasheets for Envirco -
Envirco
MAC-T Ceiling Grid System The Envirco cleanroom ceiling solution, a 2 " Gasket Seal Grid Cleanroom Ceiling System, is fabricated using superior materials to provide a structural grid system and to include zinc alloy die-castings. The building block of a cleanroom ceiling grid system is the connection and suspension system. Envirco offers a true, extruded aluminum 2" cleanroom ceiling system. It is the most cost efficient system for cleanroom classes for ISO 8 (Class 100,000) to ISO 5 (Class 100), or for any full HEPA... (read more)Browse Air Filters (industrial) Datasheets for Envirco -
Werbel Microwave LLC
Directional Couplers BKT-1830 is a universal mounting bracket that is compatible with several series and models of directional couplers manufactured by Werbel Microwave. It allows convenient mounting to a chassis in various configurations. The bracket easily converts a vertical mount coupler format to a horizontal mounted configuration. The mounting is reversible, depending on where the input and output is required. Additional information. Weight. 1 oz. Dimensions. 3.25 x 1.25 x 0.25 in. Packaging. Individual. Part... (read more)Browse RF Couplers Datasheets for Werbel Microwave LLC -
New York Blower Company (The)
Plug Fans . These fans, which are literally plugged into a system, are a natural for supply, exhaust, or recirculation air applications, such as multiple path circulation, uni-directional circulation, and counter-directional circulation. Plug Fans are available with either AcoustaFoil or PLR wheels. The AcoustaFoil airfoil-blade design is the most efficient and quite selection for clean, dry airstreams. The PLR wheel design is a flat, backwardly inclined blade that is best-suited for the efficient movement... (read more)Browse Fans and Blowers (industrial) Datasheets for New York Blower Company (The) -
Air Innovations LLC
Ceiling Mounted Wine Cellar Cooling Units Wine Guardian's ceiling mounted wine cooling units are quiet, split wine conditioning systems that are ideal for small- to mid-size wine rooms with no room to install a traditional unit. These units were designed specifically for recessed ceiling mounting and fit comfortably between standard joist construction. Therefore, making them ideal for applications such as a wine storage display with living space around it or an all-glass wine room. Ceiling mount systems are available in two... (read more)Browse Environmental Control Systems Datasheets for Air Innovations LLC -
Tecmark Corporation
UL Listed 30 Amp ceiling drop GFC The LineGard TM 30 Amp Portable Series GFCI. Product Features. Various voltages available (see configuration table). 1 O rated for NEMA 4X and IP69K. Multiphase rated for NEMA 4X and 6P. Industrial design for rough service application. Enclosure is Chemical and U.V. resistant. Double insulated user interface for added safety. Largest 30 Amp switching contacts in the industry - (high reliability). Optional cable types and lengths available. Available in Automatic or Manual (safe start) reset... (read more)Browse Ground Fault Circuit Interrupters (GFCI) Datasheets for Tecmark Corporation -
Pyromation
Easy-to-read Bi-Metal Thermometers Pyromation now carries a line of general-purpose and CIP sanitary bi-metal thermometers. These bi-metal thermometers measure the temperature of a material within a process piping system, tank, vessel or other application that requires a local indication or reading. The easy-to-read dials are offered with Fahrenheit only, Celsius only or combined Fahrenheit/Celsius options in three, four and five inch diameters. The diverse line includes back-connected, side-connected and adjustable-angle... (read more)Browse RTD Temperature Probes Datasheets for Pyromation -
KRYTAR, Inc.
Directional Coupler Primer Directional Couplers are passive devices used for sampling incident and reflected microwave power, conveniently and accurately, with minimal disturbance to the transmission line. Directional couplers are used in many different testing applications where power or frequency needs to be monitored, leveled, alarmed or controlled. These include providing a signal sample for measurement or monitoring, feedback, combining feeds to and from antennas, antenna beam forming, providing taps for cable... (read more)Browse RF Couplers Datasheets for KRYTAR, Inc. -
Marki Microwave LLC
Elite Directional Couplers for Broadband Elite Directional Couplers for Broadband. The ruggedized Marki Elite Series of next generation broadband directional couplers combine sophisticated neural network design with deep circuit knowledge and triplate stripline construction to offer the best directivity, return loss and coupling accuracy available on the market. Each coupler is bidirectional, meaning that it can be used in both the forward and reverse direction when the coupled ports are terminated with a 50 O load or detector... (read more)Browse RF Couplers Datasheets for Marki Microwave LLC
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NextEnergy Drives Investment in Advanced Energy Technologies in Michigan | AltEnergyMag
NextEnergy has completed several HEV (hybrid electric vehicle), PHEV (plug-in hybrid electric vehicle) and EV (electric vehicle) programs, and is currently actively involved in bi - directional charging, direct current (DC) charging and smart grid/ connected vehicles programs to continue to explore … NextEnergy is currently demonstrating DC power systems for data center and lighting applications in a commercial building setting (our main building), as well as residential applications (e.g., appliances, consumer goods, lighting, heating, ceiling fans , etc.) in a residential building, NextHome.
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Adaptive eigenvalue decomposition algorithm for real time acoustic source localization system
… signals 2: (n),i = 1 , 2 can be expressedas follows: zt(n)= gi * ~ ( n )+ bi (n), Moreover, bl (n)and b ~ ( n )might be correlated which is the case when the noise is directional , e.g., from a ceiling fan or an over- head projector.
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http://www.doiserbia.nb.rs/img/doi/0354-9836/2012/0354-98361200053V.pdf
In the middle of the tunnel there are still 3 ´ 8 = 24 axial fans on the ceiling , each of 85 kW electric powers. Vidmar, P., et al.: Upgrade of a Transverse Ventilation System in a Bi - Directional tunnel 1068 .
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Which Way is the Wind Blowing Today? A Control Strategy Which Considers Meteorological Effects on Tunnel Ventilation - Document Summary
At present a single (South) bore with bi - directional traffic flow is operational. … system comprising 45/350 kW two speed fresh-air and 1 MW exhaust air fans at each of … These provide ventilation through fresh and exhaust air ducts above the ceiling separated by movable partition doors.
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http://dspace.mit.edu/bitstream/handle/1721.1/43865/263168030-MIT.pdf?sequence=2
Inorder to account for the contamination diffusion against the dominant flow direction due to people traffic small bi - directional fans have been modeled inone stairwell. … detailed model, the simplified model consists of 22,500 ft2 floors with 11.5 ft ceiling heights.
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Positive Pressure Ventilation in Single Medium-Sized Premises
• Fan C is a fan powered by a water turbine, having an impeller diameter of 0 … The air volume flow rate through the exhaust air opening was measured by positioning bi - directional velocity probes at three different points along the centre line of the exhaust air opening. The pressure sensor ( P), was positioned 0.65 m from the ceiling and 4 m from the …
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Renewable Energy
bevel-gear turbine 364 bi - directional inverter 265, 280 bilayer capacitor 272 bio-chemical process 515 biodegradability 435 biodegradable lubricant 379 biogas 380, 515 biological process 515 biologically degradable 145 biomass 9, 80, 511 biomass accumulation 89 biomass productivity 85 biomass yield … … loss 126, 206 convective heat flow 119 conventional block design 356 conversion chain 286 conversion loss 325, 351 conversion step 323 converter arrangement 333 cooling agent 410 cooling ceiling 417 cooling convector 417 … … effect 185, 433 cooling fans 415 cooling mode 420 …
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Design Fires in Road Tunnels
… stratification must not be disturbed: - longitudinal air velocity is quite small - no jet fans working in smoke … Congested traffic, or fire at the end of the queue behind an accident, or one tube used bi -directionally: Same as one tube with bi- directional traffic for the two phases. No fresh air is to be injected from the ceiling in a zone with smoke because this …
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Standard Handbook for Civil Engineers > TUNNEL ENGINEERING
Although some older 2-lane tunnels have used roadway widths of 21 ft between curbs for unidirectional traffic and 23 ft for bi - directional traffic, usually with speed restrictions, these widths no longer meet current standards for 12 ft or 3.6 … overhead signs, jet fans for ventilation, and any other ceiling -mounted items.
