Infiltration-inflow sewer line analyzer

Details Infiltration-inflow sewer line analyzer Infiltration-inflow sewer line analyzer

1979-12-17

1981-10-13

Wise, Edward J.

Boots, shoes, and leggings

73299, G01F 2314

Patent

active

042951976

ABSTRACT:
A method and means of determining inflow (undesired pipe drains to a sewer) and infiltration (sewer pipe leakage) into sewer lines by a coordinate measurement of pressure in sewer pipes at several locations, particularly measuring flow during rainfall and for a discrete period thereafter and comparing the results with dry periods.

REFERENCES:
patent: Re29868 (1978-12-01), Schontzler et al.
patent: 4070563 (1978-01-01), Petroff
patent: 4074573 (1978-02-01), Nordhofen
patent: 4116061 (1978-09-01), Petroff
patent: 4200911 (1980-04-01), Matsumoto
patent: 4202211 (1980-05-01), Perry
patent: 4211111 (1980-07-01), Petroff

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