10/31/2023 0 Comments Picture of a valve stem remover![]() The Schrader valve is used on virtually all automobile tires and motorcycle tires and most wider-rimmed bicycle tires. Using the appropriate tools, a faulty valve core can be immediately extracted from the valve stem and replaced with a new one. A small rubber seal located on the core keeps the fluid from escaping through the threads. The valve core is a poppet valve assisted by a spring. The Schrader valve consists of a valve stem into which a valve core is threaded. The original Schrader valve design was invented in 1891, and patented in the United States in 1893. ![]() The Schrader company, for which it was named, was founded in 1844 by August Schrader. The Schrader valve (also called American valve ) is a type of pneumatic tire valve used on virtually every motor vehicle in the world today. The visible outer thread of the stem holds the dust cap. The core has a short outer thread which is screwed into the inner thread of the stem. Schrader valve components (from left to right) the valve core closed (top) and open (bottom), the order of assembly, end view of stem without core and with core (top) and stem with the dust cap on (bottom). JSTOR ( February 2020) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed. Please help improve this article by adding citations to reliable sources. ![]() This article needs additional citations for verification.
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