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| Number | Title | Issue Date |
| 6754075 | Motor-fan unit particularly for a heating and/or air conditioning apparatus for a motor vehicle The invention relates to a motor-fan unit (1) comprising a casing (10), a turbine (12) housed in the casing to generate an air flow therein, a motor (14) for driving the turbine, a support (20) for the motor, also forming a cover t... | 06/22/2004 |
| 7255130 | Control valve for an engine cooling circuit A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and at least two fluid outlets (20, 22 and 24) and which delimits a cylindrical housing for an adjusting member ( | 08/14/2007 |
| 7244927 | Control panel for a motor vehicle fascia, having at least one optically controlled rotary adjustment knob The present invention relates to a control panel, in particular for a motor vehicle, provided with at least one rotary button (10) for adjusting a parameter relating to an air stream propelled by a ventilating, heating and/or air conditioning apparatus, chara... | 07/17/2007 |
| 7243501 | Expansion device for an air-conditioning system An expansion device, intended for installation in an air conditioning system with a supercritical refrigerant fluid (FR), is described. The expansion device (12) comprises a body (120) through which refrigerant fluid passes, equipped with an inlet cham... | 07/17/2007 |
| 7240932 | Energy-absorbing case for a motor vehicle bumper beam The energy-absorbing case (2) comprises a casing consisting of a hollow section piece which has a first end attached to the bumper beam (2) and a second end able to be fixed to the end of a longitudinal longeron (6) of the motor vehicle. The cas... | 07/10/2007 |
| 7200327 | Electric heating device, in particular for a vehicle heating and/or air-conditioning apparatus Electric heating device comprising an electric radiator (10) for heating the air passing through it, said radiator comprising a casing (12), at least one resistive element mounted in the casing and constituted by at least one zigzag metal strip (22 | 04/03/2007 |
| 7198097 | Angled ribs for heat exchanger tanks The present invention relates to the field of automotive heat exchangers, and, in particular, to ribbed heat exchanger tanks. This invention uses ribs that are oriented perpendicular to the local wall bending axes, and, therefore, not necessarily perpendicular to or... | 04/03/2007 |
| 7197885 | Water separator with ribs In preferred aspects of the present invention, at least one rib is provided can be molded to an internal dividing wall in the interior of a water separator in an automotive HVAC unit. In more preferred aspects, a plurality of ribs is provided that are molded to or w... | 04/03/2007 |
| 7168397 | Control valve for cooling circuit A control valve suitable for forming part of a cooling circuit comprising a first branch which contains a radiator and a second branch that constitutes a bypass of a radiator is described. The control valve has a third branch, which, in a motor vehicle combus... | 01/30/2007 |
| 7156156 | Heat exchanger with thermal inertia for a heat transfer fluid circuit, particularly of a motor vehicle A heat exchanger for a heat transfer fluid circuit comprising ducts for the circulation of the heat transfer fluid, which are inserted between an inlet and an outlet, is described. Cavities designed to contain a heat storage fluid adjacent to the cooling fluid circu... | 01/02/2007 |
| 7152427 | Accumulator with an internal heat exchanger for an air-conditioning system An accumulator for an air conditioning system, including a housing (10) with an elongated tubular wall (12). The accumulator also includes an internal heat exchanger fitted in the housing (10). The internal heat exchanger has a tubular structure... | 12/26/2006 |
| 7119289 | Push button keypad and knob for motor vehicle control panel The invention relates to a keypad (10) for a control panel, in particular for a motor vehicle instrument system, comprising a front (30) provided with openings (32) through which a number of push-buttons (20) are placed, each positioned f... | 10/10/2006 |
| 7101278 | HVAC unit housing assembly The present invention provides a vehicle ventilation system, and, in particular, a heating and air-conditioning assembly and method of making such an assembly, wherein the assembly comprises a multi-portion HVAC housing and an alignment feature. The alignment... | 09/05/2006 |
| 7061201 | System for controlling the speed of a motor of an electric fan unit, notably for an automobile heating and/or air conditioning installation The invention relates to a system for controlling the speed of a motor (1) of an electric fan unit comprising a field-effect transistor (3) that controls the motor (1) using pulse-width modulation, the field-effect transistor (3) being co... | 06/13/2006 |
| 7059395 | Performance heat exchanger, in particular an evaporator A heat exchanger for exchange of heat between a first fluid and a second fluid comprises a stack of pockets (1) mutually aligned in a longitudinal direction and having two header boxes (16, 17) that are mutually juxtaposed in a lateral direction. The f... | 06/13/2006 |
| 7046491 | Device for protecting an electric source adapted to power an electric member The invention concerns a device for protecting an electric source adapted to power an electric member comprising a test unit (6) adapted to deliver a signal (8) representing the availability of the electric source (2), to a control unit (10 | 05/16/2006 |
| 7011360 | Front panel of a motor vehicle comprising a bumper beam The invention relates to a front panel of a motor vehicle comprising a bumper beam and at least one heat exchanger. This heat exchanger (5) is located below the bumper beam (3) with a substantially vertical orientation and comprises, in a horizontal pl... | 03/14/2006 |
| 7003968 | Motor vehicle air-conditioning installation equipped with an electronic control device The invention proposes an air conditioning installation furnished with an injection computer (42), with an air conditioning apparatus and with an electronic control device (401). The installation furthermore comprises measurement facilities making it p... | 02/28/2006 |
| 6991532 | Method and apparatus for decontamination for automotive HVAC systems A method and apparatus for passenger vehicles, including light and heavy truck, heating, ventilation and air conditioning systems, particularly HVAC systems, using oxidants to reduce contaminants and increase passenger comfort levels in such vehicles. ... | 01/31/2006 |
| 6942014 | Heat exchanger having an improved baffle The present invention is directed to a heat exchanger for an automotive vehicle. The heat exchanger includes a first end tank divided into a first portion and a second portion by a baffle, the first end tank including a through-hole. The baffle system include... | 09/13/2005 |
| 6904963 | Heat exchanger An improved heat exchanger, and, particularly, for an automotive vehicle, is disclosed. The heat exchanger typically includes at least one end tank; and a plurality of spaced apart metal tubes with fins between the spaced tubes. The heat exchanger may be single or m... | 06/14/2005 |
| 6889761 | Mixing device for air conditioning system An air flow mixing system for a vehicle air conditioning system having a distribution door to force air from a first air flow to mix with a second air flow of different temperature proximate a merging region in the air conditioning system. In one embodiment, the dis... | 05/10/2005 |
| 6874807 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/05/2005 |
| 6796137 | Air conditioning system comprising an electronic control device The invention proposes an air conditioning system for motor vehicles which is fitted with an injection computer and an electronic control device. The system comprises a first measuring member suitable for supplying a value relating to the pressure of the fluid at a ... | 09/28/2004 |
| 6789999 | Center console dual centrifugal fan blower An assist airblower unit for a heating and ventilating system of a motor vehicle. The airblower includes a single motor and two centrifugal fan wheels encased within a shell. The motor drives both centrifugal fan wheels via a shaft. The centrifugal fan wheels have a... | 09/14/2004 |
| 6786276 | Heat exchanger tube with optimized plates The invention relates to tubes for heat exchangers through which a fluid flows, intended to promote heat exchange between an external medium and said fluid, formed by at least two plates connected to each other in order to define a circulation duct. The tube compris... | 09/07/2004 |
| 6786057 | Vehicle air conditioning device using a supercritical cycle An air conditioning unit including an expansion device (4) of the refrigerating fluid loop controlled to set the internal heat exchanger efficiency η, represented by the equation: η=TccTsc/TsrTsct, wherein: T... | 09/07/2004 |
| 6771178 | Method of identifying actuators in a motor-vehicle air-conditioning installation A flap to be identified is caused to move over the whole of its angular range of travel. The number of motor steps is counted during this movement, and the number of steps counted is compared with at least one pre-recorded information item corresponding to a particu... | 08/03/2004 |
| 6726366 | Spindle bearing Spindle bearing for essentially parallel spindles, in particular of air flaps in a vehicle heating, ventilating and/or air conditioning unit, having respective bearing bushes, the bearing bushes at least partially overlapping in the axial direction. ... | 04/27/2004 |
| 6710570 | Optimized control of flap actuator of a motor-vehicle air-conditioning installation During the actuation of the flap, the drive frequency of the stepper motor is reduced as a function of the requirements for torque delivered by the motor in order to shift the flap. To that end, information is continuously gathered representing the requirements for ... | 03/23/2004 |
| 6693369 | Energy distribution, especially to elements of a motorvehicle air-conditioning device A voltage-regulation, protection and filtering assembly (20) is connected between a power-supply input and an energy output in order to deliver the same security-protected operating voltage to a number of elements (12a, 12b, 12b, 12c, 14, 16) via an energ... | 02/17/2004 |
| 6688679 | Device for enveloping and fixing a bundle of electrical cables A method and device for enveloping and fixing a bundle of electrical cables. The bundle is inserted into a channel-shaped elongate shell (2) through a longitudinal entry aperture (4) the width of which, at rest, is less than the diameter of the bundle and... | 02/10/2004 |
| 6685554 | Air guide box An air guide box, in particular for a heating, air conditioning and/or ventilating installation in a motor vehicle, comprising at least an air treating device (10, 12), at least an air channel (20) extending through the air treating device (10, 12), and a... | 02/03/2004 |
| 6666760 | Device for delivering air at the front of the cabin of a vehicle The invention relates to a device for delivering ventilation air to the front of the cabin (6) of a motor vehicle, this ventilation air being delivered by a delivery box (11) of a heating, ventilation and/or air-conditioning unit, said device comprising a... | 12/23/2003 |