Transmission having externally mounted electronic control unit

Details Transmission having externally mounted electronic control unit Transmission having externally mounted electronic control unit

1993-02-23

1994-11-08

Wright, Dirk

Machine element or mechanism

Elements

Gear casings

174 522, F16H 5702

Patent

active

053616502

ABSTRACT:
A transmission assembly having an electronic control unit detachably mounted to the exterior of a transmission is disclosed. The transmission assembly comprises the transmission, a cover mounted to the transmission, and a circuit board for controlling the transmission. The circuit board is substantially encased in a potting material, and is detachably fastened by bolts to the cover. The potting material forms a casing around the circuit board, and the casing has a series of ribs adapted for contact with the cover to reduce the transfer of vibrations to the circuit board. The potting material is preferably silicone based, and substantially transparent to permit visual inspection of the electronic components of the circuit board.

REFERENCES:
patent: 4552818 (1985-11-01), Wong
patent: 4596743 (1986-06-01), Brauer et al.
patent: 4636920 (1987-01-01), Cook et al.
patent: 4707763 (1987-11-01), Kudo
patent: 4784019 (1988-11-01), Morscheck
patent: 4895998 (1990-01-01), Bevington
patent: 5109721 (1992-05-01), Boardman et al.
patent: 5109729 (1992-05-01), Boardman et al.
patent: 5185498 (1993-02-01), Sanftleben et al.
patent: 5311398 (1994-05-01), Schirmer et al.
The Eaton Ceemat (Converter Enhanced Electronically Managed Automatic Transmission) SAE Technical Paper Series 881830 Nov. 7, 1988.
Eaton.RTM. Fuller.RTM. CEEMAT.TM. Transmissions Brochure, Copyright Eaton Corporation, 1991.

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