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  • US6152736A - Dental turbine - Google Patents

    A dental turbine comprises a rotor (10) which is rotatably accommodated in a housing (12), the housing (12) having an outlet opening (23) for propellant air which causes the rotor (10) to rotate. The rotor (10) comprises a flow duct whose outlet opening (36) imposes a tangential component on the outflowing propellant air.

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  • Find Powerful dental chair ac motor for Various Devices ...

    High speed air turbine handpiece tie-in 2sets 2. Low speed air turbine handpiece tie-in 1sets 3. ... 220/110V 35LPM AC Mini Diaphragm Pump Small Electric dental autoclave medical dental Vacuum Pump. US $150.00 Piece. 1 Piece (Min. Order) ... These dental chair ac motor also have an inner rotor that generates an additional magnetic field.

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  • Characterizing the performance of dental air-turbine ...

    2008-1-1u2002·u2002The first air-powered dental engine design was patented in 1868 1 although in fact this was not a turbine but effectively a lobe pump operated in reverse. It was intended to be operated by mouth, foot bellows, or a compressed air vessel. The first true turbine dental handpiece, with a 13-bladed rotor, was patented in 1874, 2 with similar ...

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  • US3128988A - Turbine driven air bearing dental handpiece ...

    US3128988A US3128988DA US3128988A US 3128988 A US3128988 A US 3128988A US 3128988D A US3128988D A US 3128988DA US 3128988 A US3128988 A US 3128988A Authority US United States Prior art keywords rotor housing turbine air bearing Prior art date 1964-04-14 Legal status (The legal status is an assumption and is not a legal conclusion.

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  • Dental Electric Motors- The 2021 ultimate purchasing guide

    2020-7-24u2002·u2002OVERVIEW: Air systems vs dental electric motors. There are two systems for powering dental burs: air-powered and electrical-powered handpieces. In the air system, a distinction is made between a turbine and an air motor. With turbines, the bur is directly driven by a rotor. The rotor has an impeller powered by compressed air.

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  • Kavo Aftermarket Turbine 639,642,643,645 & 632 - My Dental ...

    2021-9-25u2002·u2002Related products. Kavo Small Idler Shaft 25LPA, 25LPR, M25L $ 134.20 Kavo Head Rotor Cartridge E25L $ 255.41 Kavo Head Cartridge …

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  • Steam Turbines - Elliott Group

    Elliott steam turbines are rated for inlet steam conditions up to 2000 psig/1005 degrees F and speeds up to 20,000 rpm. Elliott steam turbines come in a variety of sizes ranging from small, 20 HP (15 kW) single-stage units, to large 175,000 HP (130,000 kW) multi-valve, multi-stage extraction condensing units. These units can be built to API ...

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  • Autoclave sterilization of dental handpieces: A literature ...

    2020-7-1u2002·u2002In addition, the dental air turbine gains torque by applying compressed air to the rotor; the rotor spins for a while after air outflow because of the inertial force, . This freewheeling creates negative pressure within the turbine, resulting in uptake of contaminants ( e.g. saliva and blood), the so-called suck-back effect [10], [11] .

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  • Turbomachinery & Turbulence. Lecture 1: Introduction to ...

    2015-3-12u2002·u2002gas: Production of mechanical energy (dental turbine, turbocharger, turbopumps) Gas compression compressed air network automotive internal combustion engine Fluid transportation pumps to overcome gravity (elevation of a liquid) to overcome head losses in a pipe Energy production from heat source (gas and steam turbines in a thermodynamic cycle)

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  • Dental Handpiece - Buy Wide Range of Best Dental ...

    Dental Handpiece - Buy handpiece dental for Teeth from Dentalkart Online Dental Store. World's Leading Online Dental Shopping Site. Buy Wide range of Online dental airotor handpiece, surgical handpiece dental, dental straight handpiece. Free Shipping. Cash on delivery option is available.

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  • Kavo Aftermarket Turbine 639,642,643,645 & 632 - My Dental ...

    2021-9-25u2002·u2002Related products. Kavo Small Idler Shaft 25LPA, 25LPR, M25L $ 134.20 Kavo Head Rotor Cartridge E25L $ 255.41 Kavo Head Cartridge …

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  • Steam Turbines - Elliott Group

    Elliott steam turbines are rated for inlet steam conditions up to 2000 psig/1005 degrees F and speeds up to 20,000 rpm. Elliott steam turbines come in a variety of sizes ranging from small, 20 HP (15 kW) single-stage units, to large 175,000 HP (130,000 kW) multi-valve, multi-stage extraction condensing units. These units can be built to API ...

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  • The effect of high-speed dental handpiece coolant delivery ...

    2021-9-1u2002·u2002There are generally two ways of transferring rotational force to burs used for dental procedures. The first is with an air-turbine handpiece which uses compressed air to drive a turbine rotor housed within the head of the handpiece—these devices operate at speeds up to 400,000 revolutions per minute (rpm).

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  • Air Compressor - CAGI

    2016-8-31u2002·u2002a small air turbine to turn a shaft, as in a dental drill; or it can be expanded through a nozzle to produce a high-speed jet, as in a paint sprayer. Compressed air provides torque and rotation power for pneumatic tools, such as drills, brushes, nut runners, riveting guns and screwdrivers. Such tools are generally powered by

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  • SLVA654

    2019-3-28u2002·u2002A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck up dirt and dust particles from a given surface. Vacuum cleaners are used in homes as well as in industries and come with a variety of power levels, small battery-operated hand-held devices, domestic central vacuum cleaners and huge stationary industrial ...

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  • Air Driven vs. Electrical Handpieces - KaVo Dental Blog

    2017-11-8u2002·u2002Air driven motors from KaVo. Air driven high speed handpieces tend to have a higher speed, but a lower torque, especially as compared to an electrical piece. However, when a bur comes into contact with the tooth, resistance builds up and slows down the bur to 150.000 – 300.000 rpm. The harder the load of the bur is, the slower the bur spins.

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  • Air Blower - Centrifugal Air Blower Manufacturer from Mumbai

    The use of Jacuzzi Air Blowers is common in machine-building as high pressure ventilator, vacuum pump, air pump, booster, low pressure compressor and oil-free compressor. The applications are unlimited like aireting, dust cleaning, vacuum lifting, vacuum tables, blowing off, pneumatic transport, cooling and vacuum molding.Turbo die cast aluminium side channel blowers are robust …

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  • CENTRIFUGAL PUMP SELECTION, SIZING, AND

    2007-6-9u2002·u2002CENTRIFUGAL PUMP SELECTION, SIZING, AND INTERPRETATION OF PERFORMANCE CURVES 4.0 PUMP CLASSES Pumps may be classified in two general types, dynamic and positive displacement. Positive displacement pumps are those in which energy is imparted to the liquid in a fixed displacement volume, such as a casing or a cylinder, by the rotary motion of gears,

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  • Vacuum Pumps Common Problems and Troubleshooting

    2014-8-28u2002·u2002Vacuum Pumps Common Problems and Troubleshooting Vacuum pumps and systems are one of the widely used equipment in process plants. It is very important to correctly size and select the vacuum pump as it is to lay down the right specifications.

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