which magnetic stirrer was invented

Stirring Bottles - Stirrers/Mixers - Products

Stirring Bottles. V&P Scientific, Inc. has invented and built the world’s first VORTEX MAGNETIC LATERAL TULE STIRRER (USA Patent #7,484,880, European Union Patent #1,736,235 and German Patent #60 2006 026 122.5). Instead of tuling a stir element in the vertical plane like our Alligator Tule Stirrer, the Vortex Tule Stirrer spins large

Development of the electromagnetic stirring - Hunan

2021-8-20 · The electromagnetic stirrer (EMS) was first invented by the Swedish ASEA. According to Faraday''s principle of electromagnetic induction, Dreyfus Dr.1932 found that the low-speed moving inductive magnetic field would produce a strong stirring effect on molten steel, and in 1948, the world''s first electromagnetic stirrer was manufactured and

Development of the electromagnetic stirring - Hunan

2021-8-20 · The electromagnetic stirrer (EMS) was first invented by the Swedish ASEA. According to Faraday''s principle of electromagnetic induction, Dreyfus Dr.1932 found that the low-speed moving inductive magnetic field would produce a strong stirring effect on molten steel, and in 1948, the world''s first electromagnetic stirrer was manufactured and

when was the first magnet discovered

2021-11-27 · When Was The First Magnet Discovered? The history of magnetism dates back to the 600 BCE, where we find mention of Lodestone in the work of Greek philosopher Thales of Miletus.Early lodestone, found in the Greek region of Magnesia, Anatolia is where the modern name “magnet” is derived.

History of magnetic stirrer - Merane Solutions

History of magnetic stirrer. Arthur Rosinger of Newark, New Jersey, U.S.A. obtained US Patent 2,350,534, titled Magnetic Stirrer on 6 June 1944, having filed an appliion therefor on 5 October 1942. Mr. Rosinger''s patent includes a description of a coated bar magnet placed in a vessel, which is driven by a rotating magnet in a base below the

Heated and stirred: The story of an unsung lab hero - Lab …

A later incarnation of the magnetic stirrer in 1944 featured a rotating magnet placed in the mixer’s base, rather than electromagnets2. When the plastic-coated bar magnet was independently invented in the late 1940s, its inventor named it the ‘flea’ due to its tendency to erratically jump around in a solution when the rotating magnet in

Magnetic stirrer - Infogalactic: the planetary knowledge core

2021-4-15 · A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "flea") immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel with the liquid.. Magnetic stirrers are often used in …

Magnetic Stirrer Patent - diakonie-annaberg.de

A Hot Plate with Magnetic Stirrer is a table top instrument used to quickly spin or mix a solution with the help of a generated magnetic field.The first Magnetic Stirrer was invented by Richard Stringham of Utah in 1917.He named the stir bar as “Flea” after perceiving certain changes while stirring like the way it jumped and spun in the flask.

Laboratory Magnetic Stirrer

2021-11-2 · History of the Laboratory Magnetic Stirrer. To begin with, we must know that it was Arthur Rosinger (Newark, New Jersey, United States) who acquired the patent 2,350,534 whose name is Magnetic Stirrer. This happened on June 6, 1944, but its first appliion had already been registered two years earlier.

who invented the magnetic strip on credit cards

Who invented the black stripe on credit cards? Ron Klein, Inventor Of Credit Card Strip, Made Little Money From The Invention.“I think the statistics today talk about 609 million credit cards that are in existence, just here in the U.S.,” says Ron Klein, …

Laboratory Magnetic Stirrer

2021-11-2 · History of the Laboratory Magnetic Stirrer. To begin with, we must know that it was Arthur Rosinger (Newark, New Jersey, United States) who acquired the patent 2,350,534 whose name is Magnetic Stirrer. This happened on June 6, 1944, but its first appliion had already been registered two years earlier.

Magnetic Stirrer Patents and Patent Appliions (Class

2016-7-11 · Magnetic Stirrer Patents (Class 366/273) Mixing system, mixing device, container, and method for mixing a fluid and/or a solid. Patent nuer: 11247186. Abstract: The invention relates to a mixing system, in particular a bioreactor and/or a pallet tank, for mixing a fluid and/or solid, having a container (4), wherein the fluid and/or the solid

Magnetic stirrer - Fablab RUC

2017-5-15 · The (electro) magnetic stirrer was developed as a proof of concept and it works quite well. It uses 3 electromagnets to generate a rotating magnetic field thus having no moving parts instead of the classic magnetic stirrer design which uses an electric motor to rotate a permanent magnet. 1. Bill Of Materials. 1.1. Electronics. 1X Arduino.

What is a Magnetic stirrer?-Types and Function - Exposed

2021-12-9 · Battery Powered Magnetic Stirrer: These magnetic stirrers work on batteries and can come in handy where the electric supply is low and fluctuates a lot. For stabilization purposes, rubber feet are made available. Magnetic Mini Stirrer: These mini magnetic stirrers are used in laboratories and occupy less space as they are compact.

Magnetic Stirrers - Velp

MSL 50 Digital - High Volume Magnetic Stirrer. Digital magnetic stirrer guaranteeing continuous operations both at low and high speed for up to 50 liter volume, with timer, auto-reverse and SpeedServo. The ideal solution for large capacity laboratory stirring appliions in Life Science, Pharma, Biopharma and Nutraceutics.

History of the Magnetic Compass [When, Where & How]

History of the Magnetic Compass [When, Where & How] The first magnetic compass was created in China between the 1 st and 2 nd century BC during the Han dynasty. Originally it was made out of ore from iron known as lodestone which contains natural magnetic properties. Lodestone was a material which was widely known to have magnetic properties

What is the working principle of Magnetic stirrer? - Answers

2014-1-16 · he electromagnetic stirrer utilizes the principle of a linear motor and differs from the conventional mechanical and decompression types as it …

💚 MAGNETIC STIRRER: Use, Definition and Function

A magnetic stirrer is a device widely used in laboratories and consists of a rotating magnet or a stationary electromagnet that creates a rotating magnetic field. This device is used to make a stirring rod, immerse it in a liquid, rotate quickly or stir or mix a solution, for example.

FAQ - China Electromagnetic Stirrer

The wooden stand is made from a 4×4, 30″ wide, and the two vertical supports are 18″ tall each. The flat board or plank on the floor is a 2×10, and is 36″ long. The cross piece at the end of the 2×10 is a 2×4, 30″ long, to help stabilize the 2×10 when someone is on it. The photos show the construction details.

Magnetic stirrer with saw sensor - IKA—WERKE GH

The invention claimed is: 1. Magnetic stirrer (1) having a stirring drive (2), a heating plate (3) serving as a surface on which a stirring vessel (4) is positioned, the stirring vessel (4) configured to accommodate a medium, and a stirring rod (6) for introduction into a medium accommodated in the stirring vessel (4), the stirring rod (6) configured to be driven by the stirring drive to stir

Multi Position Stirrer - Glasscolabs

The first Magnetic Stirrer was invented by Richard Stringham of Utah in 1917. He named the stir bar as “ Flea ” after perceiving certain changes while stirring like the way it jumped and spun in the flask. DAN Logitech’s Hot Plate with Magnetic Stirrer - Digital (415 DNDG)

Magnetic Stirrer - MRC- Lab

Magnetic Stirrer. A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "flea") immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel

Magnetic Stirrer Patent - diakonie-annaberg.de

A Hot Plate with Magnetic Stirrer is a table top instrument used to quickly spin or mix a solution with the help of a generated magnetic field.The first Magnetic Stirrer was invented by Richard Stringham of Utah in 1917.He named the stir bar as “Flea” after perceiving certain changes while stirring like the way it jumped and spun in the flask.

US Patent for Electro-magnetic strirrer for continuous

The present invention relates to a rotary magnetic field type stirrer for a continuous metal casting machine which has characteristics as mentioned below. In a two-pole rotary magnetic field type stirrer having poles positioned symmetrically around the central axis of the cast strand in the secondary cooling zone of a continuous casting machine, a pair of electro-magnetic coils each …

Soniion - an overview | ScienceDirect Topics

Soniion is carried out in a ultrasoniion path, ultrasonic vibrator, and mechanical homogenizer following the magnetic stirring of mixture in magnetic stirrer. Ultrasoniion frequency is reported to be 20–40 kHz. Apart from soniion frequency and power, soniion time is the most crucial part of the process.

Magnetic Stirrer - MRC- Lab

Magnetic Stirrer. A magnetic stirrer or magnetic mixer is a laboratory device that employs a rotating magnetic field to cause a stir bar (also called "flea") immersed in a liquid to spin very quickly, thus stirring it. The rotating field may be created either by a rotating magnet or a set of stationary electromagnets, placed beneath the vessel

What is a Magnetic stirrer?-Types and Function - Exposed

2021-12-9 · Battery Powered Magnetic Stirrer: These magnetic stirrers work on batteries and can come in handy where the electric supply is low and fluctuates a lot. For stabilization purposes, rubber feet are made available. Magnetic Mini Stirrer: These mini magnetic stirrers are used in laboratories and occupy less space as they are compact.

Electromagnetic Stirring - an overview | ScienceDirect Topics

M.A. Easton, D.H. StJohn, in Encyclopedia of Materials: Science and Technology, 2011 2.3 Electromagnetic Stirring. Electromagnetic stirring is a technique commonly used industrially in the grain refinement of steel and copper alloys. It has also been found to be effective in the grain refinement of Al- and Mg-based alloys. Recent work on electrostatic solidifiion (free from …