Patent ID: 7055405
Filing Date: 2006-06-06
Classification: F16H,Y10T

Abstract:
1. A transmission unit for a transmission having a plurality of transmission elements that cooperate, the unit comprising: a transmission housing containing the transmission elements; a distribution circuit for delivering a fluid to the transmission elements located within the transmission housing; a hydraulic control apparatus mounted in the transmission housing and coupled to the distribution circuit and operative to selectively distribute the fluid through the distribution circuit to the transmission elements; an electronic control apparatus mounted in the transmission housing in direct spatial proximity to the hydraulic control apparatus and operative to control the hydraulic control apparatus; a cooling device mounted in the housing in proximity to the hydraulic and electronic control apparatus, the cooling device having a closing plate provided with a plurality of ducts in flow communication with the hydraulic control apparatus for routing the fluid towards the transmission elements; and an oil pan provided in the transmission housing, and the cooling device being in the oil pan; wherein the oil pan includes a wall, and a cooling device housing for the cooling device, wherein the oil pan wall defines the cooling device housing.