Ice detector for protecting boats

Details Ice detector for protecting boats Ice detector for protecting boats

1990-04-27

1991-06-04

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340984, G08B 2100

Patent

active

050217690

ABSTRACT:
Ice Detector for Protecting Boats has a waterproof hollow float. An electro-magnet is mounted in the float. A flexible arm is rigidly mounted on one side of said float. A first metal segment is mounted in the arm and placed to be attracted by the magnet. A metal detector is mounted in the float. A second metal segment is mounted in the arm and placed to come into closer proximity to the detector when the arm flexes, whereby, ice forming between the wall of the float and the arm will prevent movement of the arm and will detect the formation of ice.

REFERENCES:
patent: 2901741 (1959-08-01), Moore et al.
patent: 4873510 (1989-10-01), Khurgin

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