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Prototype of electromagnetic thread tensioner of sewing machine upper thread
Prototype electromagnetic tensioner upper sewing threads with possibility to achieve highers braking effects, higher stability and possibility compensation of material influence and machine speed....
JQ - Strojní zařízení a nástroje
- 2008 •
- Gprot
Rok uplatnění
Gprot - Prototyp
Electromagnetic thread tensioner with adjustments for sewing speed and material thickness
Current mechanical thread tensioners on industrial machines reach their limits more frequently. Newly developed electromagnetic tensioner enables quick adjustment of the requested value indepently of the thread friction pro...
JB - Senzory, čidla, měření a regulace
- 2015 •
- C
Rok uplatnění
C - Kapitola v odborné knize
Modification of Upper Thread Tensioner of Sewing Machine
significant disadvantages of a standard tensioner and mainly finding of new conception of the tensioner with electromagnetic brake, development and testing of its prototype.Standard mechanical upper thread tensioner
JQ - Strojní zařízení a nástroje
- 2012 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Danger ofg electromagnetical radiation on human being
Review of danger of electromagnetical radiation from various electrical and electronical equipments (alarm-clocks, mobiles, fysical devices, high voltage tension etc.)....
DO - Ochrana krajinných území
- 2001 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Danger of the electromagnetical radiation for human being
Review of the dangerous electromagnetical radiation for human being e.g. mobile phones, TV-sets, PC-monitors and also high voltage tension equipments....
DN - Vliv životního prostředí na zdraví
- 2000 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Study of crack propagation in concrete specimens loaded by lateral tension
This paper presents a pilot study of the stress distribution and crack propagation in specimens used in tests in which the quasi-brittle material failure is investigated by means of acoustic and electromagnetic emission. The main attention i...
JM - Inženýrské stavitelství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Cracking device for electromagnetic and acoustic emissions measurement
This device enables us to measure the electromagnetic and acoustic emission of fiber samples during mechanical strain at tension. The whole device is placed in metal box due to electromagnetic screening. There are two gripp...
JB - Senzory, čidla, měření a regulace
- 2013 •
- Gfunk •
- Link
Rok uplatnění
Gfunk - Funkční vzorek
Výsledek na webu
Analysis of stress state and crack propagation in specimens used for quasi-brittle material failure measurement by electromagnetic emision
This paper presents a pilot study of the stress distribution and crack propagation in specimens used in tests in which the quasi-brittle material failure is investigated by means of electromagnetic emission. The main attetion is paid to test...
JM - Inženýrské stavitelství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Assembly for non-destructive measurement of the condition of post-tensioned strrands on the bridge soffit
The technical solution relates to an assembly for continuous non-destructive measurement of the condition of post-tensioned strands carried out on the soffit of bridges and other structures by magnetic or electromagnetic methods usi...
Transport engineering
- 2023 •
- Fuzit
Rok uplatnění
Fuzit - Užitný vzor
EMAT transducers for measuring stress leval in the material using surface waves
The development of EMAT transducers couple was part of the project. The transduces use surface waves to measure level of tension in the material. One transduceer will be used as sender and the second as a receiver. This equipment allows prec...
JB - Senzory, čidla, měření a regulace
- 2008 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
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