Invention of Spark Plug: Robert Bosch's Sparking Igniter for Explosion-Engines
Ever wondered who invented engine ignition? Discover the groundbreaking 1898 invention that revolutionized engine ignition! Learn how Frederick Simms and Robert Bosch’s magneto-electric system transformed performance with precise spark timing. Explore the fascinating mechanics and engineering brilliance behind this historic patent!
Frequently Asked Questions (FAQ)
Section titled “Frequently Asked Questions (FAQ)”-
What is the main purpose of the invention described in the patent? This invention relates to improvements in electric ignition systems for explosion engines, specifically focusing on regulating the timing of the explosive charge ignition to control the engine speed.
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What type of ignition apparatus does the invention utilize? The patent describes a magneto-electric ignition apparatus, preferably of the type detailed in Bosch’s earlier British Patent No. 15,411 of 1897. This system uses a stationary armature and magnets with a rocking envelop positioned between them.
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How does the invention achieve variable ignition timing? The system utilizes a series of bevel gears connected to the engine’s crankshaft. An intermediate bevel gear can be adjusted around the shaft, altering the relative position of a cam responsible for triggering the sparking device. By shifting this cam’s position, the timing of the ignition is adjusted.
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Can you explain the sparking mechanism in detail? The sparking device consists of a hollow plug fixed to the engine’s ignition chamber. This plug houses an insulated pin connected to one terminal of the magneto-electric machine. A lever, pivoted on the plug, rests on this pin. A cam-operated rod strikes this lever, momentarily breaking contact with the pin and generating a spark.
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How does the counter-shaft contribute to the operation of the system? The counter-shaft is driven by the engine’s crankshaft through spur gearing and plays a crucial role in both the ignition and magneto-electric machine operation. It houses the bevel gear system responsible for variable ignition timing and also carries the eccentric pin that oscillates the magneto-electric machine’s envelop.
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What is the function of the spring in the sparking device? The spring ensures a firm contact between the lever and the insulated pin when the system is not actively sparking. This ensures a reliable connection and prevents accidental sparking.
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What are the advantages of this variable ignition timing system? The primary benefit is precise control over the engine’s speed. By adjusting the ignition timing, the operator can optimize the engine’s performance under varying conditions, improving efficiency and power output.
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What is the significance of the patent claims? The patent claims outline the specific novel elements of the invention that the inventors seek to protect. These claims define the legal scope of the patent and prevent others from commercially exploiting the same ideas without permission.
Significance
Section titled “Significance”Understanding these findings helps advance our knowledge and inform better decisions. This research represents an important contribution to the field. For the full details, watch the video above and explore the linked resources.
Resources & Further Watching
Section titled “Resources & Further Watching”- Read the patent (US 609,931): https://patents.google.com/patent/US609931A/
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