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U.S. Department of Energy
Office of Scientific and Technical Information

Diaphragm gas meter

Patent ·
OSTI ID:5633191
A four chamber diaphragm gas meter is described comprising: a generally box-like casing having one open side and a planar partition extending from the open side to divide the casing into two substantially equal casing compartments; a plate-like valve table adapted for attachment to the casing to seal the two casing compartments; a generally box-like top piece having one open side adapted for attachment to the casing over the valve table to provide a gas inlet chamber; a pair of measuring chambers mounted on a first side of the valve table; a transfer valve assembly mounted on the other side of the valve table and within the gas inlet chamber including a first transfer valve associated with a first of the measuring chambers and a first of the casing compartments and a second transfer valve associated with the other of the measuring chambers and the other of the casing compartments; means for linking the movable sealed ends of the diaphragm sleeve elements and the sliding valve elements. The linking means include a pair of diaphragm flag rods each coupled to the movable sealed end of a respective diaphragm sleeve element and extending through the valve table at a point in line with a respective transfer valve on the side of the respective transfer valve opposite the intersection of the lines of motion of the sliding valve elements; and index means coupled to the linking means for indicating the volume of gas flowing through the meter.
Assignee:
American Meter Co., Philadelphia, PA
Patent Number(s):
US 4706496
OSTI ID:
5633191
Country of Publication:
United States
Language:
English