Improvements in and relating to Lighting and Heating or the Production of Motive Power by the use of Petrol Gas or the like.

摘要

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.