Protecting an icemaker against overcurrent damage

Details Protecting an icemaker against overcurrent damage Protecting an icemaker against overcurrent damage

1987-03-06

1988-12-13

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Circuit interruption by thermal sensing

335141, 361 99, 361105, H02H 504

Patent

active

047915234

ABSTRACT:
A wound bobbin coil (A) and a fuse (B) are interconnected electrically in series. The coil and the fuse are mounted closely adjacent and molded into a tough, nylon encapsulation (C). The series connected coil and fuse are connected with electrical terminals (26, 30) to form a unitary electrical component which is readily connected with associated circuitry. In this manner, when the coil becomes damaged sufficiently to blow the fuse, both the coil and the fuse must be replaced. A repairman cannot short the fuse or merely replace the fuse and allows a damaged coil to continue functioning. In the preferred utilization of the present coil in a freezer compartment ice maker, coil failures can cause flooding, overheating, and other catastrophic damage to a refrigerator/freezer.

REFERENCES:
patent: 3585450 (1971-06-01), Lane
patent: 3691425 (1972-09-01), Weyrich et al.
patent: 4112405 (1978-09-01), Joseph
patent: 4454544 (1984-06-01), Coleman
patent: 4476451 (1984-10-01), Kosugi

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