Underwater frazil ice detector

Details Underwater frazil ice detector Underwater frazil ice detector

1989-04-26

1991-10-29

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

73170R, 340580, 374 16, 417 38, G01N 2504, G08B 1902

Patent

active

050621203

ABSTRACT:
An underwater frazil ice detector is disclosed comprising channel means disposed underwater for moving water therethrough, means for drawing water through said channel means, screen means disposed in and across said channel means so that water drawn therethrough by said water drawing means passes through said screen means, pressure detecting means disposed in said channel means and downstream of said screen means for detecting pressure differential across said screen means, whereby flow of water through said screen means is constricted when frazil ice forms thereon, creating an increased pressure differential across said screen means and thereby indicating the presence of frazil ice.

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patent: 4263805 (1981-04-01), Isley et al.
patent: 4497181 (1985-02-01), Kocher et al.
patent: 4755062 (1988-07-01), Meyer

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