| 11. | The Lenoir engine was a double acting engine.
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| 12. | The locomotives used a pair of double acting, oscillating cylinders connected to a rotary reversing valve.
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| 13. | According to the presentation material, the double acting tanker would be long and capable of breaking ice.
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| 14. | A double acting engine is an engine where steam is applied to both sides of the piston.
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| 15. | This special combination is much less complex and much less costly than using an entirely double acting design.
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| 16. | The double acting ship concept has been selected as the main transportation concept for the Yamal LNG project.
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| 17. | To accomplish the double acting feature, additional hydraulic seals are added to internally seal off the individual stages.
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| 18. | A double acting engine, in which the steam acted alternately on the two sides of the piston was one.
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| 19. | This drive frame reciprocates vertically which then drives the double acting independent oil pumps located in the oil reservoir.
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| 20. | Each rocker is connected both to a crankshaft with a 15-foot flywheel and to a double acting pump's plunger.
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