| 摘要 |
2140272 9401740 PCTABS00030 A dry gas meter comprises a unitary core (15) which functions as the meter casing, the inner sides of two gas chambers, valve gear container (23), index housing (19) and gasways. Central partition and angled walls (17) form a dished side of gas chambers completed by diaphragm (13) and outer pans (25, 26). Upper and lower covers (30, 33) complete the body of the meter. In between the angles of walls (17) gasways (21, 22) extend from a gas inlet in lower cover (30) to the interior of the valve gear container (23).
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