Apparatus for measuring smoke dilution in a vented-filter cigare

Details Apparatus for measuring smoke dilution in a vented-filter cigare Apparatus for measuring smoke dilution in a vented-filter cigare

1978-10-30

1979-10-23

Goldstein, Herbert

Measuring and testing

With fluid pressure

Porosity or permeability

G01N 1508

Patent

active

041716353

ABSTRACT:
As a puff generator draws a volume of smoke and air through the vented-filter cigarette air is drawn from a ventilation cylinder to cause a piston to travel to a dead center position. The amount of movement of this piston is a measure of an amount of air drawn through the ventilation path of the filter by the puff generator. The amount of travel can be related to the total possible stroke of the piston so as to produce a digital read out of the degree of ventilation directly.

REFERENCES:
patent: 3386281 (1968-06-01), Menge et al.
patent: 3948084 (1976-04-01), Heitmann et al.
patent: 3991605 (1976-11-01), Reuland
patent: 4052892 (1977-10-01), Browne
patent: 4127025 (1978-11-01), Mills et al.

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