GB190614643A - Improvements in and relating to Lighting and Heating or the Production of Motive Power by the use of Petrol Gas or the like.
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Improvements in and relating to Lighting and Heating or the Production of Motive Power by the use of Petrol Gas or the like.
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Hubert Elwell Smith
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14,643. Smith, H. E. June 27. Pressure - regulating valves for regulating the proportions of two or more gases in a mixture and maintaining a constant pressure on the service side. The gases pass by openings 6, 7 into the two parts of a divided chamber 4 in a casing 1. Openings 8, 9, provided with valves 13, 14, lead from the chamber 6 into the casing 1. The valves 13, 14 are mounted on a stem 11 dipping into a mercury seal 10 and loaded with weights 15. A flexible diaphragm may be substituted for the bell 11.
GB190614643D1906-06-271906-06-27Improvements in and relating to Lighting and Heating or the Production of Motive Power by the use of Petrol Gas or the like.
ExpiredGB190614643A
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