It is reported that Panasonic will launch solar LED lanterns, and people living in areas without electricity can also use it as a charger. During the day, it can store solar energy through a built-in rechargeable battery to provide illumination at night, or it can be used as a power source for small mobile devices such as mobile phones. Piston rings are manufactured and classified on the basis of function and usability. The primary usage of the Piston Ring is to seal the chamber (where the piston is moving), which can be a combustion chamber of a 2 stroke or a 4 stroke engine. Marine engines have three or more types of rings fitted on the circumference of the piston.
In 2-stroke large engines, compression type piston rings are used to seal the combustion chamber and wiper rings are installed below them to wipe the deposits from the liner and distribute oil on the liner surface.
According to reports, the company plans to "bring" the lantern into the non-powered region, and will launch "solar lanterns" in emerging market countries such as Africa and Asia in December. The solar lantern can be recharged in one day and can be used all night, so it can be used daily in areas without electricity. It consists of a lantern body and a solar panel, and the output power of the solar panel is 3.5 watts. It takes about 6 hours to complete the charging on a sunny day. The lighting brightness is divided into 3 files, which are 100 lux (Lx) "strong", 40 lux "mid" and 6 lux "weak". After full charge, they can be illuminated for about 6 hours and 15 respectively. Hours and 90 hours. 
When illuminating, it uses 360 LEDs of omnidirectional illumination of 5 LEDs to illuminate a wide range and can be used as living lighting for dinner and study. Easily switch between 3 levels of brightness with buttons, can be suspended, left, or carried, and has a variety of uses. For small terminal charging applications such as mobile phones, the product has a 5 volt, 500 mA USB output terminal. If the battery has a battery capacity of 700 mAh, it can be fully charged in about 2 hours and can be charged 1 or 2 times.
The lantern will first be sold in Kenya, Myanmar, Cambodia, Indonesia, Bangladesh and Malaysia. It is said that one in five people in the world live in a non-electrical area. The smoke of kerosene lamps will cause harm to health. Although it is quite popular, its lack of charging infrastructure has become an urgent problem. This is the first product for the BOP market, and Panasonic will continue to accelerate product development to help improve the lives of people in areas without electricity.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
The piston ring is an essential piston part, and its numbers and functionality differ depending on the type and capacity of the engine.
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