Patent ID: 6488601
Filing Date: 2002-12-03
Classification: F16H

Abstract:
An assembly of an electronic element (4) comprising an electronic module and a hydraulic element (3) of a control device (2) for an automatic transmission of a motor vehicle having a transmission housing partly filled with oil wherein said control unit (2) is situated in the transmission housing at least partly surrounded with oil, said hydraulic element (3) has a valve housing (5) on which hydraulic valves (6), rotational speed sensors (7, 8, 9) and pressure sensors (10, 11) are provided, said valve housing (5) has a first housing part (5A) and a second housing part (5B), upon said second housing part (5B) are provided said electronic element (4) with a printed board (14) disposed substantially parallel to a base plane of said valve housing (5) and a receiving section (15) for a transmission central plug, said second housing part (5B) has several pressure control device (19), a cooling device (21) by means of which at least one part of said electronic element (4) can be cooled and a position sensor (29) for detecting a position of a selector slide (30) directly situated on said hydraulic element (3), wherein said first transmission housing part (5A) is at least approximately cuboid and substantially disposed below a conical disk set (1A) of a variator, that said second housing part (5B) extends from a lateral area of said first housing part (5A) upwards laterally of said conical disk set (1A), that said electronic element (4) has a substantially cuboid housing (13) sealing said printed board (14) and upwardly closed by a lid (13A), one front side (16) of said housing at least approximately terminates with the front side (17) of said underlying second housing part (5B) of said valve housing (5) and with a sidewall of said first housing part (5A) and on its front side (18) borders said receiving section (15) for the transmission central plug and that said pressure control devices (19) are at least approximately disposed in one line along the longitudinal side of said electronic element (4) remote from said variator (1).