Early warning roof vent

Details Early warning roof vent Early warning roof vent

1991-05-20

1993-03-16

Raevis, Robert

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01W 100

Patent

active

051933900

ABSTRACT:
A roof vent for use on a flat roof incorporating a moisture detector for the early detection of a roof leak. The vent includes a removable cap in which the moisture measuring instrument is located. A sensing element is located within the roof and connected by electrical leads to the measuring instrument. Roof vents incorporating this invention may be arranged in a pattern on the roof to help identify the location of the leak. A radio transmitter may be included in the vents so that the vents may be monitored remotely. Each vent may transmit a distinctive signal to provide the identification of its location.

REFERENCES:
patent: 2880682 (1959-05-01), Martin
patent: 2932199 (1960-04-01), Rueger
patent: 3984947 (1976-10-01), Patry
patent: 4052667 (1977-10-01), Schwartz
patent: 4110945 (1978-09-01), Sheahan
patent: 4432273 (1984-02-01), Devitt
patent: 4598273 (1986-07-01), Bryan, Jr. et al.
patent: 4723109 (1988-02-01), Sheahan
patent: 4924174 (1990-05-01), Sheahan

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