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Perreaux's patent pump valves in the International Exhibition, 1862. Creator: Unknown
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Perreaux's patent pump valves in the International Exhibition, 1862. Creator: Unknown
Perreaux's patent pump valves in the International Exhibition, 1862. This method of constructing pump-valves is extremely ingenious, simple, and efficient; it is copied from the valves contained in the human heart. Perreaux valves are made of vulcanised indiarubber...[and] are of the form of a tube flattened at one extremity...The thickness of the sides of the upper part diminishes gradually to the top, where the two sides meet and form two lips, which when the valve is in a state of rest are in close contact, and prevent the downward passage of the fluid...owing to the...the elasticity of the material, they close perfectly and instantaneously the moment the pressure from below ceases...these valves...are extensively used in soap and alkali factories, and by paper-makers, tanners, bleachers, and dyers, in pumping paper-stuff, chemicals, tan-liquor, &c. Fig. 1 represents the section through the pump-barrel; fig. 2 the section of an ordinary bucket; and figs. 3 and 4 are sections of foot-valves. The pumps have glass cylinders or barrels, so that the action of the valves may be seen. It is found advantageous to use glass barrels, as they are free from corrosion and lubricate themselves with the material which is pumped through them'. From "Illustrated London News", 1862
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Media ID 35124199
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1862 International Exhibition Cultural Event Diagram Exposition Great London Exposition Industrial Revolution International Exhibition Of 1862 Invention Patented Pump Rubber Trade Fair Valve Valves World Fair Worlds Fair Illustrated London News India Rubber White And Black
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Perreaux's Patent Pump Valves: An Engineering Marvel of the Human Heart at the International Exhibition, 1862 This image showcases Perreaux's patent pump valves, a groundbreaking invention displayed at the International Exhibition in 1862. The design of these valves, which bears an uncanny resemblance to the valves found in the human heart, revolutionized the field of engineering with its simplicity, efficiency, and ingenuity. Manufactured from vulcanised indiarubber, Perreaux's valves are tubular in shape, flattened at one end. The upper part of the tube features gradually diminishing sides, culminating in two lips that meet and form a seal when the valve is at rest, preventing fluid from flowing backward. The elasticity of the material ensures that these valves close instantaneously the moment the pressure from below ceases. Perreaux's valves gained widespread popularity due to their versatility and effectiveness. They were extensively used in various industries, including soap and alkali factories, paper-making, tanning, bleaching, and dyeing, for pumping paper-stuff, chemicals, and tan-liquor. Figures 1, 2, 3, and 4 in this illustration depict the sections through the pump-barrel, an ordinary bucket, and foot-valves, respectively. The pumps employing these valves boasted glass cylinders or barrels, allowing the valves' action to be observed. The adoption of glass barrels proved advantageous, as they were resistant to corrosion and self-lubricated with the material being pumped through them.
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