Gas leak detector viewer

Details Gas leak detector viewer Gas leak detector viewer

1981-09-25

1983-10-11

Frankfort, Charles E.

Measuring and testing

With fluid pressure

Leakage

436 3, G01M 304, G01N 3112

Patent

active

044084803

ABSTRACT:
A viewer for improving the visibility of Halide gas leak detectors, and comprising an observation tunnel embracing the flame shield of the detector at one closed end, open at the other end for closure by the face of the person making the observation directly by eye, and characterized by inlet and exhaust ventilators at opposite ends thereof and the later operating as a chimney for convection flow of heated flame gases, the ventilators being of labyrinth form obscuring outside light from the tunnel.

REFERENCES:
patent: 489418 (1893-01-01), Pierce
patent: 1029041 (1912-06-01), Beane
patent: 1736621 (1929-11-01), Platt
patent: 1751222 (1930-03-01), Styler et al.
patent: 2658134 (1953-11-01), Miller
patent: 2665618 (1954-01-01), Heideke
patent: 3107517 (1963-10-01), Loyd et al.
patent: 3603085 (1952-07-01), Cannon
patent: 3945244 (1976-03-01), Wormser
patent: 3979625 (1976-09-01), Roberts
patent: 4097239 (1978-06-01), Patterson

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