11 Years Factory wholesale TU-1A93 thermal wax actuator for thermostatic automatic water drain valve to Israel Factory
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11 Years Factory wholesale TU-1A93 thermal wax actuator for thermostatic automatic water drain valve to Israel Factory Detail:
1. Operation Principle
The Thermostatic Wax that has been sealed in shell body induces expansion by a given temperature, and inner rubber seal part drives its handspike to move under expansion pressure to realize a transition from thermal energy into mechanical energy. The Thermostatic Wax brings an upward movement to its handspike, and automatic control of various function are realized by use of upward movement of handspike. The return of handspike is accomplished by negative load in a given returned temperature.
2. Characteristic
(1)Small body size, occupied limited space, and its size and structure may be designed in according to the location where needs to work.
(2)Temperature control is reliable and nicety
(3)No shaking and tranquilization in working condition.
(4)The element doesn’t need special maintenance.
(5)Working life is long.
3.Main Technical Parameters
(1)Handspike’s height may be confirmed by drawing and technical parameters
(2)Handspike movement is relatives to the temperature range of the element, and the effective distance range is from 1.5mm to 20 mm.
(3)Temperature control range of thermal wax actuator is between –20 ~ 230℃.
(4)Lag phenomenon is generally 1 ~ 2℃. Friction of each component part and lag of the component part temperature cause a lag phenomenon. Because there is a difference between up and down curve of traveling distance.
(5)Loading force of thermal wax actuator is difference, it depends on its’ shell size.
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MIT researchers at the David H. Koch Institute for Integrative Cancer Research have developed a new material that changes its shape after absorbing water vapor.
This material is made from an interlocking network of two different polymers. One forms a hard but flexible matrix that provides structural support while the other is a soft gel that swells when it absorbs water. Together these polymers create a material that converts water vapor to energy without the use of an external energy source.
When the 20-micrometer-thick film is exposed to moisture the bottom layer absorbs the evaporated water, forcing the film to curl away from the surface. Once the bottom of the film is exposed to the air, it quickly releases the moisture causing it to somersault forward and start to curl up once more. Researchers were surprised to discover not only does it need a very small amount of vapor, but it also demonstrated a large amount of strength. Using only water vapor as an energy source, the film can lift a load of silver wires 10 times its own weight.
Harnessing this continuous motion could drive artificial robotic muscles or generate enough electricity to power small electronics.
Read more: https://web.mit.edu/newsoffice/2013/new-material-harvests-energy-from-water-vapor-0110.html
