Control unit for an automatic transmission

Details Control unit for an automatic transmission Control unit for an automatic transmission

1996-10-29

1998-01-20

Marmor, Charles A.

Machine element or mechanism

Elements

Gear casings

174 522, F16H 5702, H02B 126

Patent

active

057091340

ABSTRACT:
A control unit for an automatic transmission in a motor vehicle includes a housing having an open bottom part with an interior. A carrier is disposed in the housing. Circuit components are disposed on the carrier. Valve coils for electromagnetic hydraulic valves are disposed in the housing and embedded in a flexible compound. A rotational-speed sensor disposed in the interior of the open bottom part is embedded in the flexible compound and thus fixed in its position in the housing. The rotational-speed sensor extends into the vicinity of a gearwheel or of some other rotating component of the transmission and detects or records its rotary motion by induction or the Hall effect.

REFERENCES:
patent: 5361650 (1994-11-01), Klecker et al.
patent: 5386337 (1995-01-01), Schoettl

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