Inductor devices – Winding with terminals – taps – or coil conductor end...
Patent
1988-04-28
1989-08-01
Kozma, Thomas J.
Inductor devices
Winding with terminals, taps, or coil conductor end...
29605, 174135, 439449, H01F 1510
Patent
active
048536679
ABSTRACT:
A wire bobbin (1) for use with inductive devices is disclosed having a central core (2) about which a wire is windable, with side walls (3) and (4) oppositely disposed about the core for retaining the wire thereon. A coil of wire, wound about the core, has a wire end (20) extending through at least one side wall. The side wall further includes a first channel (7) sized to retain a lead wire (21) therein, with the channel open at both ends. A second channel (13), which is preferably directly adjacent to the first channel, communicates through an open end (9) with the first channel. The lead wire is then inserted into the first channel, with a stripped end (22) extending into the second channel. The stripped end is combined with the magnet wire end, permanently joined, such as by dip soldering, and then bent into position within the second channel. Utilizing channels on the side wall minimizes extending structures which might interfere with other structures, making these wire bobbins particularly useful in transformers with limited space.
REFERENCES:
patent: 3315198 (1967-04-01), Biesma et al.
patent: 3496505 (1970-02-01), Johannson et al.
patent: 3585450 (1971-06-01), Lane
patent: 3742412 (1973-06-01), Lakin
patent: 3745500 (1973-07-01), Simon
patent: 4238753 (1980-12-01), Bayer
patent: 4427962 (1984-01-01), Liberman
patent: 4700167 (1987-10-01), Barankin et al.
"How Bobbin and Terminal Design Facilitate Automatic Termination of Magnetic Wire", Donald S. Lee, Insolation/Circuits, Nov. 1977, pp. 39-43.
Freimuth Lothar
Van Wagener Raymond H.
Kozma Thomas J.
Magnetek Universal Manufacturing Corp.
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