Abstract: The invention relates to a flight control device for an aircraft, including a connection lever, mechanical means for limiting an angular stroke of the connection lever, first means for generating force feedback on the connection lever about said pivot axis, second means for generating force feedback on the connection lever, which means are arranged in parallel with the first means, at least one element selected from the second means and the connection lever comprising mechanical means for connecting them together temporarily, which means are arranged to be active when the connection lever is moved beyond a predetermined angular position in the angular range so that the second means are connected to the connection lever.

Abstract: The invention relates to a flight control device for an aircraft, including a connection lever, mechanical means for limiting an angular stroke of the connection lever, first means for generating force feedback on the connection lever about said pivot axis, second means for generating force feedback on the connection lever, which means are arranged in parallel with the first means, at least one element selected from the second means and the connection lever comprising mechanical means for connecting them together temporarily, which means are arranged to be active when the connection lever is moved beyond a predetermined angular position in the angular range so that the second means are connected to the connection lever.

Abstract: The device comprises a first heat exchanger (22) for exchanging heat between the admission air and a heat-transfer liquid for regulating the temperature of the admission air, the heat exchanger being connected to a circuit (24) for cold heat-transfer liquid, the device further comprising a second heat exchanger (26) for exchanging heat between the admission air and a heat-transfer fluid likewise for regulating the temperature of the admission air and connected to a circuit (28) for very cold heat-transfer fluid that is colder than the heat transfer liquid of the cold heat-transfer liquid circuit (24). The cold heat-transfer liquid circuit (24) preferably comprises a heat exchanger (30) for exchanging heat between air and the cold heat-transfer liquid, e.g. carried by a front face (31) of the motor vehicle.

Abstract: The device comprises a first heat exchanger (22) for exchanging heat between the admission air and a heat-transfer liquid for regulating the temperature of the admission air, the heat exchanger being connected to a circuit (24) for cold heat-transfer liquid, the device further comprising a second heat exchanger (26) for exchanging heat between the admission air and a heat-transfer fluid likewise for regulating the temperature of the admission air and connected to a circuit (28) for very cold heat-transfer fluid that is colder than the heat transfer liquid of the cold heat-transfer liquid circuit (24). The cold heat-transfer liquid circuit (24) preferably comprises a heat exchanger (30) for exchanging heat between air and the cold heat-transfer liquid, e.g. carried by a front face (31) of the motor vehicle.

Abstract: This temperature regulation apparatus comprises a heat pump (12) comprising a main compression circuit (14) for a refrigerant fluid taking heat from a cold source (16) and transferring it to a hot source (18). The cold source (16) comprises a first heat exchanger (24) for exchanging heat between the refrigerant fluid and a liquid coolant thermally coupling the main refrigerant circuit (14) to a first secondary coolant circuit (26). The first secondary circuit (26) has selective connection means (40, 52, 54) for selectively connecting it to the upstream and downstream ends (48A, 48B) of a “heater” branch (48) of a cooling liquid circuit (46) of an exothermal part of the vehicle. The exothermal part is preferably a heat engine of the vehicle. The invention is applicable to air conditioning a motor vehicle cabin.

Abstract: The device includes a heat pump integrating a refrigerant circuit taking calories from a cold source to transfer them towards a warm source. The device also includes a heat-conducting fluid/air thermal exchanger called external exchanger (30), located in the vehicle engine compartment (34), the heat-conducting fluid being either the refrigerant or a heat-conducting fluid in thermal exchange with the cold source refrigerant. The device also includes means of formation of an air flow, preferably a fan (40), circulating through the external exchanger (30) and called outlet air flow, directed from inside the engine compartment (34) to outside the vehicle. Preferably, the fan (40) shall be able to rotate in a first direction to form an air flow directed from outside the vehicle to inside the engine compartment (34) and called inlet air flow, and in a reverse direction to form the outlet air flow.

Abstract: The apparatus comprises a heat pump (12) having a main refrigerant circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), and a cooling circuit (48) for cooling an exothermal part, such as an engine, the cooling circuit being connected to a cooling heat exchanger (50). The cold source (16) has a first refrigerant/coolant heat exchanger (24) thermally coupling the main circuit to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30), to a “cold” heat exchanger (32), and to the cooling heat exchanger (50). The hot source (18) has a second refrigerant/coolant heat exchanger (34) thermally coupling the main circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to the outside heat exchanger (30), to a “hot” heat exchanger (39), and to the cooling heat exchanger (50). The invention is applicable to air conditioning a vehicle cabin.

Abstract: This temperature regulation apparatus comprises a heat pump (12) comprising a main compression circuit (14) for a refrigerant fluid taking heat from a cold source (16) and transferring it to a hot source (18). The cold source (16) comprises a first heat exchanger (24) for exchanging heat between the refrigerant fluid and a coolant liquid thermally coupling the main refrigerant circuit (14) to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30) and to a “cold” heat exchanger (32). The hot source (18) comprises a second heat exchanger (34) for exchanging heat between the refrigerant fluid and a coolant liquid thermally coupling the main refrigerant circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to at least the outside heat exchanger (30) and to a “hot” heat exchanger (39).

Abstract: The temperature regulation device (10) comprises a heat pump (12) having a main refrigerant fluid circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), the cold source (16) including a refrigerant fluid/air heat exchanger (26) designated as first evaporator. The cold source (16) also comprises a refrigerant fluid/coolant liquid heat exchanger (28) designated as second evaporator (28), thermally coupling the main refrigerant fluid circuit (14) to a secondary coolant liquid circuit (38) capable of being connected at least to a first secondary heat exchanger (42, 44) in heat exchange with a first heat source of the vehicle. The first and second evaporators (26, 28) being connected in parallel.

Abstract: According to the method, heat delivered to the cabin (H) comes from a hot source (18) of a heat pump (12) comprising a main refrigerant circuit (14) taking heat from a cold source (16) to transfer it to the hot source (18). Heat taken from the cold source (16) comes from a flow of air recycled from the cabin. The cold source (16) has a refrigerant/coolant heat exchanger (24) thermally coupling the main circuit (14) to a first secondary coolant circuit (26) capable of being selectively connected to an outside heat exchanger (30) and to a cold heat exchanger (32). Air flow circuits have an inlet for admitting air recycled from the cabin, an outlet for delivering air to the outside of the vehicle, first connection means for connecting the recycled air inlet to the upstream end of the cold heat exchanger (32), and second connection means for connecting the downstream end of said cold heat exchanger (32) to the outside outlet.

Abstract: This temperature regulation apparatus comprises a heat pump (12) comprising a main compression circuit (14) for a refrigerant fluid taking heat from a cold source (16) and transferring it to a hot source (18). The cold source (16) comprises a first heat exchanger (24) for exchanging heat between the refrigerant fluid and a liquid coolant thermally coupling the main refrigerant circuit (14) to a first secondary coolant circuit (26). The first secondary circuit (26) has selective connection means (40, 52, 54) for selectively connecting it to the upstream and downstream ends (48A, 48B) of a “heater” branch (48) of a cooling liquid circuit (46) of an exothermal part of the vehicle. The exothermal part is preferably a heat engine of the vehicle. The invention is applicable to air conditioning a motor vehicle cabin.

Abstract: According to the method, heat delivered to the cabin (H) comes from a hot source (18) of a heat pump (12) comprising a main refrigerant circuit (14) taking heat from a cold source (16) to transfer it to the hot source (18). Heat taken from the cold source (16) comes from a flow of air recycled from the cabin. The cold source (16) has a refrigerant/coolant heat exchanger (24) thermally coupling the main circuit (14) to a first secondary coolant circuit (26) capable of being selectively connected to an outside heat exchanger (30) and to a cold heat exchanger (32). Air flow circuits have an inlet for admitting air recycled from the cabin, an outlet for delivering air to the outside of the vehicle, first connection means for connecting the recycled air inlet to the upstream end of the cold heat exchanger (32), and second connection means for connecting the downstream end of said cold heat exchanger (32) to the outside outlet.

Abstract: The device includes a heat pump integrating a refrigerant circuit taking calories from a cold source to transfer them towards a warm source. The device also includes a heat-conducting fluid/air thermal exchanger called external exchanger (30), located in the vehicle engine compartment (34), the heat-conducting fluid being either the refrigerant or a heat-conducting fluid in thermal exchange with the cold source refrigerant. The device also includes means of formation of an air flow, preferably a fan (40), circulating through the external exchanger (30) and called outlet air flow, directed from inside the engine compartment (34) to outside the vehicle. Preferably, the fan (40) shall be able to rotate in a first direction to form an air flow directed from outside the vehicle to inside the engine compartment (34) and called inlet air flow, and in a reverse direction to form the outlet air flow.

Abstract: This temperature regulation apparatus comprises a heat pump (12) comprising a main compression circuit (14) for a refrigerant fluid taking heat from a cold source (16) and transferring it to a hot source (18). The cold source (16) comprises a first heat exchanger (24) for exchanging heat between the refrigerant fluid and a coolant liquid thermally coupling the main refrigerant circuit (14) to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30) and to a “cold” heat exchanger (32). The hot source (18) comprises a second heat exchanger (34) for exchanging heat between the refrigerant fluid and a coolant liquid thermally coupling the main refrigerant circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to at least the outside heat exchanger (30) and to a “hot” heat exchanger (39).

Abstract: The apparatus comprises a heat pump (12) having a main refrigerant circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), and a cooling circuit (48) for cooling an exothermal part, such as an engine, the cooling circuit being connected to a cooling heat exchanger (50). The cold source (16) has a first refrigerant/coolant heat exchanger (24) thermally coupling the main circuit to a first secondary coolant circuit (26) capable of being selectively connected to an “outside” heat exchanger (30), to a “cold” heat exchanger (32), and to the cooling heat exchanger (50). The hot source (18) has a second refrigerant/coolant heat exchanger (34) thermally coupling the main circuit (14) to a second secondary coolant circuit (36) capable of being selectively connected to the outside heat exchanger (30), to a “hot” heat exchanger (39), and to the cooling heat exchanger (50). The invention is applicable to air conditioning a vehicle cabin.