Patent ID: 7706142

Claim:
An electronic built-in system for installation in a support structure in a passenger compartment of a vehicle, the electronic built-in system comprising: a housing configured for being mounted to the support structure, the housing including an outer wall, a first housing interior portion enclosed by the outer wall, a second housing interior portion enclosed by the outer wall and substantially fluidly isolated from the first housing interior portion, and a front control panel including operating elements for operating the system, the front control panel facing the passenger compartment when the electronic built-in system is installed in the support structure; an electronic module disposed in the first housing interior portion; a first opening formed through the outer wall at a first outer wall portion at which the first opening fluidly communicates with the first housing interior portion; a second opening formed through the outer wall at a second outer wall portion at which the second opening fluidly communicates with the first housing interior portion; and a cooling unit disposed in the first housing interior portion for guiding cooling air from the first opening, along the electronic module and to the second opening, where the cooling air carries heat dissipated by the electronic module away from the housing.