Registre Brevet USPTO
Numéro d'application 16985419
Statut En instance
Date de dépôt 2020-08-05
Date de la première publication 2021-03-04
Date de publication 2021-03-04
Propriétaire OMRON CORPORATION (Japon)
  • Nakao, Hideyuki
  • Yamamoto, Katsuyuki
  • Suzumura, Takaaki
  • Kamei, Makoto


A gas meter comprises a filter device having a filter for removing dust from gas that has flowed in from an inflow opening on the upstream side of a flow measurement module. The filter is disposed as to cover the inlet opening, and at least of a portion of the filter forms a plurality of filter partitions disposed spaced apart from one another toward the downstream side. At least two of the filter partitions have openings at different positions toward the downstream side.

Classes IPC  ?

  • G01F 15/08 - Air or gas separators in combination with liquid meters; Liquid separators in combination with gas-meters
  • G01D 4/02 - Tariff metering apparatus - Details