Products/Services for Counter Rotating Propeller Gearboxes
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Gearboxes and Gearheads - (1005 companies)...shaft, hollow shaft and integral coupling. The gears are mounted on shafts, which are supported by and rotate via rolling element bearings. The gearbox is a mechanical method of transferring energy from one device to another and is used to increase...Gearing ArrangementReducer StyleFlange(s) -
Dynamic Seals - (664 companies)Dynamic seals include oil seals, hydraulic and pneumatic seals, exclusion seals, labyrinth seals, bearing isolators, and piston rings. They create a barrier between moving and stationary surfaces in applications such as rotating shafts and pistons... -
Gears - (695 companies)Gears are rotating mechanical devices employing 'teeth' in order to transmit torque between separate axes. Two or more cooperating gears are called a transmission and can produce a mechanical advantage by changing speed, torque or rotation direction... -
Fan Blades and Propellers - (74 companies)Fan blades and propellers are used to convey power from a source (such as a jet engine) for propulsion or the movement of air. Propellers are an array of fan blades that transmit power by converting rotational motion into thrust. They are sometimes...
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Electromechanical Counters - (135 companies)Electromechanical counters are used to detect, totalize, and indicate a sequence of events. They typically accept electric or electronic inputs to operate mechanical outputs such as rotating wheels or knobs. These devices may count UP and/or DOWN...
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Mechanical Counters - (70 companies)...that are equipped with double shafts can have left and right extensions for separate left and right inputs, or a dual shaft on one side for dual inputs. Specialized mechanical counters may use a dial indicator in place of rotating digits. Applications...
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Polarization Rotators - (19 companies)Polarization rotators maneuver incident-linearly-polarized light about an optical axis. A polarization rotator is used to quickly and accurately modulate the polarization state of an incoming light beam. Linear polarization is a confinement...
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Gearbox Repair Services - (126 companies)How to Select Gearbox Repair Services. Image Credit:unicomechanical.com | hellotrade.com. Gear repair and gearbox repair services repair gears, gearboxes and speed reducers. Gears are mechanical devices that transmit power and motion between axes...
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Counter and Timer Boards - (65 companies)Counter and timer boards are computer cards that perform digital counting and/or timing functions. Counter and timer boards are programmable computer cards that perform digital counting and/or timing functions. Applications. Typically, they plug...
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Digital Counters - (220 companies)How to Select Digital Counters. Digital counters are electronic devices that perform a variety of counting functions. They may count single actions, provide totalizing, or perform other calculations. In addition to the number and type of functions...
Product News
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Hangzhou Chinabase Machinery Co., Ltd.
Gearboxes Hangzhou Chinabase Machinery Co., Ltd is one of leading manufacturer and suppliers of gearboxs in China, we offer NRV worm reducers ( NMRV worm geared motors), Casting iron worm speed reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, planetary gearboxes, PTO shafts, special reducer, variators, gear motors, electric motors and many other products. OEM... (read more)Browse Gearboxes and Gearheads Datasheets for Hangzhou Chinabase Machinery Co., Ltd. -
Intellisense Microelectronics Ltd.
Optical tablet counter Tablet and capsule counting technologies are widely used in many pharmaceutical applications, such as bottle filling in pharmaceutical packaging, clinical trials, etc. Optical tablet counter provides a series important benefits for tablet detection, including excellent counting accuracy, fast response time and a no blind area detection. There are some key parameters we need to know when we choose a tablet counter. The first is tablet characteristics. Different sizes, shapes, and transparency... (read more)Browse Photoelectric Sensors Datasheets for Intellisense Microelectronics Ltd. -
Fargo Controls, Inc.
Timer, Counter and Tachometer...Programmable Fargo Controls Inc. is proud to announce its latest addition, the TC series. This series is a powerful 6-digit multifunction programmable preset Timer/Counter with a communication interface. It has RS-232, RS-485, RS-422 Serial Communications and supports Modbus protocol. This series can be connected to a PC for programming and logging of data. The Timer has 10 output modes, 10 timing ranges in 3 configurations. The Counter has 12 output and 5 input modes in 6 configurations and scaling... (read more)Browse Digital Timers Datasheets for Fargo Controls, Inc. -
McCrometer, Inc.
Rugged, High Accuracy Mc Propeller Flow Meter Mc® Propeller Flow Meters from McCrometer are now more rugged than ever with a newly designed bearing assembly that includes built-in UltraShield TM technology for added protection against sand, grit, and debris. Mc Propeller Flow Meters from McCrometer continue to set the industry standard for liquid flow measurement performance, ease-of-use and value. The propeller style flowmeasurement solution is ideal for water flow measurement in agricultural, turf and other irrigation applications. Mc... (read more)Browse Flow Meters Datasheets for McCrometer, Inc. -
McCrometer, Inc.
Water Specialties Propeller Flow Meter For Wells The Model ML04 Water Specialties Propeller Flow Meter TM from McCrometer is the perfect choice when accurate and reliable flow measurement is needed in applications involving municipal ground water production wells and booster stations. A steel flanged-end tube meter with indicator-totalizer, the Water Specialties Flow Meter is both user-friendly and highly accurate. It features measurement accuracy of ±2 percent, measures liquid flow from 40 to 60,000 GPM depending on line size... (read more)Browse Flow Meters Datasheets for McCrometer, Inc. -
Fargo Controls, Inc.
Length Measuring Counters - Heavy Duty Fargo Controls - length measuring counters offer high visibility and durability. Push button reset, rugged metal housing, high-speed operation and double sided shaft features make them ideal for many industrial applications. Each model includes two black rubber wheels. The feet and inch version has the first digit black-on-white for inches and white-on-black for feet displaying up to 9999ft11. The yard and meter versions have the first digit yellow-on-black and white-on-black for the other... (read more)Browse Mechanical Counters Datasheets for Fargo Controls, Inc. -
PCE Instruments / PCE Americas Inc.
Particle Counter PCE-CPC 50 The state-of-the-art particle counter enables precise real-time measurement in the range from 0.3 mm to 10 mm to provide a comprehensive picture of the air quality. The results are presented in two units, either in number per m ^3, number per litre or number per 28.3l. Air sampling is performed by an internal pump. When the particles pass the light source (laser), light scattering occurs; the scattered light is converted into an electrical signal (pulse) by a photoelectric transducer... (read more)Browse Particle Analyzers Datasheets for PCE Instruments / PCE Americas Inc. -
parvalux by maxon
What is a Parvalux Worm Wheel Gearbox? a traditional type of gear with a toothed wheel. The two sections that give this type of gear its name are the wheel - the bit that is most recognised in gears - and the 'worm ', which is a shaft with a spiral section that engages the wheel during use. These types of gear work when an electric motor applies rotational energy to the worm, this then circulates against the wheel and is pushed via the teeth. This then rotates the load. Gearboxes can come in a right angle or inline orientation and the type... (read more) -
McWane Plant and Industrial
An Introduction to Rotating Disc Gate Valves White Paper: An Introduction to Rotating Disc Gate Valves. This new white paper from MPI provides an overview of the rotating disc gate valve, which was first introduced in 1908 and has been a staple within the waterworks industry for more than 100 years. For applications that require a dependable shut off valve capable of withstanding generations of service, a rotating disc gate valve is an excellent choice. Its metal seated design, conforming to AWWA C500, makes it ideal for both clean water... (read more)Browse Gate Valves Datasheets for McWane Plant and Industrial -
Suzhou Jiujon Optics Co., Ltd
Penta Prism for Rotating Laser Level Key Features: High-Quality Optical Glass: Manufactured using high-quality optical glass for durability and optical precision. Compact and Lightweight: Its small and lightweight design allows it to fit into tight spaces and be easily handled without adding extra weight or bulk to the rotating laser level. Five Inclined Surfaces: Features five inclined surfaces that deflect and transmit the beam at precise 90-degree angles without changing the beam direction, ensuring accurate measurement... (read more)Browse Optical Prisms Datasheets for Suzhou Jiujon Optics Co., Ltd
More Information
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Journal of Aircraft > Propulsion system integration configurations for future prop-fan powered aircraft
The recently completed NASA APET and Counter Rota- tion Propeller / Gearbox Studies1 '2 identified the propulsion system component options for both single- and counter- rotation prof-fan systems.
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Journal of Propulsion and Power > A numerical method for the design and analysis of counter-rotating propellers
Research conducted by Strack et. al.8 has shown that with current improvements of present day technology, lightweight and reliable counter - rotating propeller gearboxes can be built.
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A History of Manned Powered Flying Wing Development: 1922-1999
…contained within seven remotely controlled turrets; four turrets on the wing, two on the crew nacelle, and a multiaxis turret known as the stinger, located on the tail.25 In late 1947, the counter - rotating propeller and gearbox problems seemed insolvable and…
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Development of a Rotorcraft Micro air Vehicle for Indoor Flight Research
The absence of complex mechanical systems such as gearboxes and counter - rotating propellers inherent in other RMAV designs benefits both reliability and cost.
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Soviet Propeller V/STOL Concepts of the 20th Century
At the end of each fixed wing, a gearbox drove a pair of counter - rotating propellers .
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VERTICAL TAKE‐OFF UAV FOR USN USE
The two engines have allowed counter ‐ rotating propellers without the complication of a gearbox .
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A Perspective on the First Century of Vertical Flight
The engine drove two counter - rotating rotors through a hydraulic clutch and gearbox , as well as a propeller .
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Numerical Methods for Engine-Airframe Integration > Three-Dimensional Flow Analysis of Turboprop Inlet and Nacelle Configurations
The choice of a propfan inlet configuration depends on various factors associated with prop/nacelle integration systems such as the type of gearbox assembly (inline or offset … tractor mount configurations, and propeller propulsion characteristics involving single rotating (SR) or counter rotating (CR) designs.
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Gas Turbine Propulsion Systems
Since Allison had many years experience with airborne gearboxes, the design utilized a gear- box between the engine and a sophisticated counter - rotating variable pitch propfan. .... The propfan had two sets of six-bladed propellers with substantial sweep back and curva- ture.
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PDFPaper Emission Comparison of Turbofan and Open Rotor Engines Under Special Consideration of Aircraft and Mission Design Aspects
Differing rotational speeds at gearbox output side being intrinsic to in-line split-path reduction gears were .... However, in case of aft-rotor clipping for propeller noise reduction, the aft-rotor of the counter rotating pair of propellers may be considered for the higher rotational speed.27 Gear ratios are considered to scale continously without going into the detailed…
