PDF Improving the Properties of Permanent Magnets: A Study of Patents, Patent Applications and Other Literature
Beschreibung Improving the Properties of Permanent Magnets: A Study of Patents, Patent Applications and Other Literature
The present study complements the study on patents, patent applications and other literature on rare earth metals based permanent magnets by Frits Andriessen and Marten Terpstra, published by Elsevier Applied Science in 1989, and complements in part the book on Nd-Fe permanent magnets edited by LV. Mitchell, which was the result of a workshop organized by the Commission of the European Communities and held in Brussels on 25 October 1984. The difference between the content of the first book and that of the present study is that the first is more specifically directed to various kinds and compositions of alloys used in newly developed magnets, while the present book emphasises the improvements obtained when using particular alloys. The study edited by Mitchell deals more specifically with the economic, physical and chemical aspects of rare earth metals based magnet alloys, their properties compared with the more common and classical magnets such as ferro-cobalt alloy magnets, and their applications to various fields of technology. From the present study it has become apparent that there exist only a few patents and patent applications covering a specific use of particular magnets having specific properties to a circuit, arrangement, device or electric motor. This appears to be due to the fact that every manufacturer of such circuits or arrangements applying magnets naturally wants to employ the most effective magnets.
Improving the Properties of Permanent Magnets: A Study of Patents, Patent Applications and Other Literature Ebooks, PDF, ePub
Improving the Properties of Permanent Magnets - A Study of ~ The present study complements the study on patents, patent applications and other literature on rare earth metals based permanent magnets by Frits Andriessen and Marten Terpstra, published by Elsevier Applied Science in 1989, and complements in part the book on Nd-Fe permanent magnets edited by LV. Mitchell, which was the result of a workshop organized by the Commission of the European .
Chapter 27 – Magnetic Field and Magnetic Forces ~ Permanent magnets: exert forces on each other as well as on unmagnetized Fe pieces. - The needle of a compass is a piece of magnetized Fe. - If a bar-shaped permanent magnet is free to rotate, one end points north (north pole of magnet). - An object that contains Fe is not by itself magnetized, it can be attracted by
Uses of Magnets in Our Daily Life / Sciencing ~ Refrigerator magnets hold papers, bottle openers and other small items to the metal refrigerator door. A pocket compass uses a magnetic needle to show which way is north. The dark magnetic strip on the backside of a credit card stores data in much the same way as a computer’s hard drive does. Vacuum cleaners, blenders and washing machines all have electric motors that work by magnetic .
magnetic field / Definition & Facts / Britannica ~ Magnetic field, a vector field in the neighborhood of a magnet, electric current, or changing electric field, in which magnetic forces are observable. Magnetic fields such as that of Earth cause magnetic compass needles and other permanent magnets to line up in the direction of the field.
The Manual of Free Energy Devices and Systems / D. A ~ This present Manual of Free-Energy Devices and Systems discloses the project work of approximately fifty independent researchers into «free-energy» R & D, and spin-off anti-gravity research.
Patents - World Intellectual Property Organization ~ In other words, patent protection means that the invention cannot be commercially made, used, distributed, imported or sold by others without the patent owner's consent. Is a patent valid in every country? Patents are territorial rights. In general, the exclusive rights are only applicable in the country or region in which a patent has been filed and granted, in accordance with the law of that .
Search for patents / USPTO ~ The Patent Examination Data System (PEDS) in the Cloud provides public users the ability to search, view and download bibliographic data for all publicly available Patent applications in a secure manner. The solution allows public users to search and download bibliographic data in bulk as well as manage the volume of data that can be downloaded at any given period of time by a .
Apply for a patent - GOV.UK ~ Use this service to apply for a UK patent through the Intellectual Property Office (IPO). Patents are expensive and difficult to get. Read the guide to patenting your invention if you’ve not .
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Search for a patent - GOV.UK ~ Search UK patents. Search for published patent applications and registered patents using the Intellectual Property Office’s: patent information and document service (Ipsum)
Electromagnetism / Magnetism and Electromagnetism ~ If a switch contact mechanism is built so that it can be actuated (opened and closed) by the application of a magnetic field, and an electromagnet coil is placed in the near vicinity to produce that requisite field, it will be possible to open and close the switch by the application of a current through the coil. In effect, this gives us a device that enables electricity to control electricity:
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Permanent Magnet DC Motor (PMDC Motor) – How Do They Work? ~ Like other DC motor, . No input power in consumed for excitation which improve efficiency of DC motor. No field coil hence space for field coil is saved which reduces the overall size of the motor. Cheaper and economical for fractional kW rated applications. Disadvantages of Permanent Magnet DC Motor or PMDC Motor. The disadvantages of a PMDC motor are: The armature reaction of DC motor .
Google Scholar ~ Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.
Does Magnetic Therapy Work? / Live Science ~ Magnetic therapy is an alternative medical practice that uses static (i.e. unmoving) magnets to alleviate pain and other health concerns. So-called therapeutic magnets are typically integrated .
Tensile Test Experiment / Materials Science and ~ One material property that is widely used and recognized is the strength of a material. But what does the word "strength" mean? "Strength" can have many meanings, so let us take a closer look at what is meant by the strength of a material. We will look at a very easy experiment that provides lots of information about the strength or the mechanical behavior of a material, called the tensile test.
Publikationen — Institut für Mikrosystemtechnik - IMTEK ~ In this study, we tested the recently proposed concept that integrates a microbial anode into an AnMBR, under application relevant conditions, for the treatment of synthetic brewery wastewater. We developed two system configurations: a filtering anode with stainless steel filter plate; and a hybrid anode, in which a polymeric membrane is combined with stainless steel mesh. As fouling is .
Faraday’s Laws of Electromagnetic Induction: First ~ Applications of Faraday’s Law. Faraday law is one of the most basic and important laws of electromagnetism. This law finds its application in most of the electrical machines, industries, and the medical field, etc. Power transformers function based on Faraday’s law; The basic working principle of the electrical generator is Faraday’s law of mutual induction. The Induction cooker is the .
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