Flow metering device for an aspirated smoke detector

Details Flow metering device for an aspirated smoke detector Flow metering device for an aspirated smoke detector

2010-08-30

2011-11-29

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

Reexamination Certificate

active

08065922

ABSTRACT:
A method and apparatus for determining flow in an aspirated smoke detector system includes a plurality of sampling pipes in fluid communication with a smoke detector, a flow rate detector in at least one of the sampling pipes that senses a signal transmitted between a first and second signal transceiver, wherein the first transceiver transceives signals in at least two of the sampling pipes.

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Japanese Patent Office Action with English translation for S.N. 2007-540456, dated Aug. 16, 2011.

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