Control circuit arrangement having a clamping structure which co

Details Control circuit arrangement having a clamping structure which co Control circuit arrangement having a clamping structure which co

1995-11-06

1998-02-03

Tolin, Gerald P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

257727, 361804, H05K 720

Patent

active

057151415

ABSTRACT:
A control circuit arrangement for an electric motor drive unit includes a circuit board (10), a heat conductive substrate (12) carrying power semiconductors (13), a heat absorbing mounting structure (14) disposed in heat transferring contact with the heat conductive substrate (12), and a clamping structure (20) for clamping the circuit board (10) and the heat conductive substrate (12) to the mounting structure (14). A number of electrically conductive distance or spacer tube elements (22) are disposed between the circuit board (10) and the heat conductive substrate (12) for distributing the clamping force of the clamping structure (20) from the circuit board (10) to the heat conductive substrate (12) while forming electrically conductive leads between the circuit board (10) and the heat conductive substrate (12).

REFERENCES:
patent: 3478251 (1969-11-01), Perotto
patent: 4483632 (1984-11-01), Dewey
patent: 4498120 (1985-02-01), Kaufman
patent: 4823235 (1989-04-01), Suzuki
patent: 4875140 (1989-10-01), Delpech
patent: 4956746 (1990-09-01), Gates, Jr.
patent: 4969065 (1990-11-01), Petri
patent: 5008777 (1991-04-01), Burns
patent: 5019940 (1991-05-01), Clemens
patent: 5065280 (1991-11-01), Karnezos
patent: 5134545 (1992-07-01), Smith
patent: 5497291 (1996-03-01), Hosen

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