The box has a cover comprising two passages adapted with openings that are disposed against a front end side of a heat exchanger and integrated to a front end wall. Two flange rings (39, 40) are assembled and arranged for limiting air output through an ope...

A main radiator (1) and an electric radiator are assembled such that the body of the electric radiator is subdivided into heating components (6), each consisting electrical heating material (7) having respective connecting components and a finned component...

A purifier, which treats circulating air by photocatalysis, has a light source (5, 5') that irradiates at least one wall (1, 2) coated with a photocatalytic agent and located in the path of the circulating air. The light source is associated with a photoph...

The device has a support (1) and an operating device (2) movable in rotation. A flexible unit is in contact with a pin (4) integrated to the operating device such that the flexible unit exerts respective forces complimentary to the control forces of the op...

The unit has three butterfly valves (13a-13c) to control passage of air through air registers (41a, 41b) of air distribution conduits (42a, 42b) by rotation of the valves around a unique axle (15). The unique axle carries the butterfly valves such that the...