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James Dunlop
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16,014. Dunlop, J. Jan. 5. Reversing. - In a four-stroke-cycle engine having separate valve shafts for operating the admission and exhaust valves, the gear-wheels F, G on these shafts are driven by clutch members B, which are fixed directly to the shafts and are adapted to engage automatically in the correct position for backward running when the engine is reversed. For example, the wheel on the admission-valve shaft may rotate through 90 degrees, and that on the exhaustvalve shaft through 270 degrees, relatively to the respective shafts. According to the Provisional Specification, admission and exhaust eccentrics on the same shaft may be driven by clutch members arranged similarly. Specifications 21,073/02, 19,415/04, 19,856/05, 12,070/06, and 12,417/09 are referred to.
GB191016014D1910-07-051910-07-05Improvements in Valve-actuating Mechanism for Reversible Internal combustion Engines.
ExpiredGB191016014A
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