GB Patent: GB-180,502,863
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Improvements in steam engines
Parallel compound steam engine
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Patentee:
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| Arthur Woolf (exact or similar names) - Spa Fields, London, England |
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Patent Dates:
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| Granted: |
Jul. 02, 1805 |
Espacenet patent
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Joel Havens
Wikipedia biography of Arthur Woolf
Grace's Guide page on Arthur Woolf
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Description: |
| The invention is a double-cylinder engine where the pistons were powered alternately. This is the second of a pair of patents covering this design (see also patent GB-180,402,772.) The engine operation is a high-pressure design similar to Trevithick's single-expansion design coupled with a low-pressure stage; the result is less temperature change per cylinder and reduced overall heat loss. This fuel-efficient engine design influenced designers around the world, especially where coal is more expensive. |
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