SMALL-SIZED HOUSEHOLD GAS METER Russian patent published in 2022 - IPC G01F3/22 

FIELD: instrument making.

SUBSTANCE: invention relates to instrument making, namely to household gas metering devices. The gas meter includes a sealed chamber formed by two coaxially installed sleeves, input and output ones, connected by three screws in a radial direction. The chamber tightness is provided by a sealing rubber ring of a round section. A metering device is installed on the output sleeve, using four screws, made in the form of a jet auto-generator with a pneumo-electric converter. Two-core sealed lead-in is installed in the input sleeve for output of an electrical signal from the metering device. The sealed chamber is enclosed in a detachable casing consisting of two similar mating casings, in the lower part repeating in shape an outer semi-profile of input and output sleeves, and in the upper part forming an annular groove along a circuit, which fixes an upper transparent part – a lid, on which an analog-to-digital unit with a liquid-crystal display, a battery compartment with a lid and a power element are mounted.

EFFECT: simplification of a technology of the manufacture of a meter, easy maintenance in meter operation, and increase in the reliability of operation.

7 cl, 4 dwg