초록 ▼

The system for managing the heat energy developed by a heat engine (10) of a motor vehicle comprises a main system (2) equipped with a main pump (12), a heat engine (10) and a main cooling radiator (18). The main system (2) furthermore comprises a short-circuit pipeline (20) and a heating pipeline (

The system for managing the heat energy developed by a heat engine (10) of a motor vehicle comprises a main system (2) equipped with a main pump (12), a heat engine (10) and a main cooling radiator (18). The main system (2) furthermore comprises a short-circuit pipeline (20) and a heating pipeline ( 22) comprising an air heater (24), and a secondary loop ( 4) including a secondary radiator (60) and a secondary pump (58). The main system and the secondary loop can comprise equipments heated or cooled by equipment exchangers (34, 36, 38, 64, 66) included in the main system (2) and/or the secondary loop (4). The maim system (2) and the secondary loop (4) are connected by interconnecting means which make it possible to cause a same coolant fluid to circulate in a controlled manner between the main system and the secondary loop or to prohibit this circulation depending on the load state of the engine (10).

대표청구항 ▼

The invention claimed is: 1. A system for managing the heat energy developed by a heat engine of a motor vehicle comprising a main system (2) equipped with a main pump (12) to make a coolant fluid circulate between the heat engine (10) and a main cooling radiator (18) having an exchange area and ex

The invention claimed is: 1. A system for managing the heat energy developed by a heat engine of a motor vehicle comprising a main system (2) equipped with a main pump (12) to make a coolant fluid circulate between the heat engine (10) and a main cooling radiator (18) having an exchange area and exchanging heat with the external atmospheric air, the main system (2) furthermore comprising a short-circuit pipeline (20) and a heating pipeline (22) comprising an air heater (24), and a secondary loop (4) including a secondary radiator (60) having an exchange area and a secondary pump ( 58), wherein the main radiator (18) or the secondary radiator (60) is divided into at least two separate heat exchange sections (144, 146), the change from one configuration to the other is carried out in increments, by the switching of a heat exchange section from one circuit to the other, and the main system (2) and the secondary loop (4) are connected by interconnecting means (6 ) which make it possible to control coolant fluid circulation between the main system (2) and the secondary loop (4) or to prohibit this circulation depending on the load state of the heat engine (10 ), wherein the main system (4) comprises a three-way (30- 1, 30-2, 30-3) thermostatic valve ( 30), a first way (30-1) connected to the engine pipeline (8), a second way (30-2) being connected to a short-circuit pipeline (20), and a third way (30-3) connected to a main cooling radiator pipeline. 2. A system for managing the heat energy developed by a heat engine of a motor vehicle comprising a main system (2) equipped with a main pump (12) to make a coolant fluid circulate between the heat engine (10) and a main cooling radiator (18) having an exchange area and exchanging heat with the external atmospheric air, the main system (2) furthermore comprising a short-circuit pipeline (20) and a heating pipeline (22) comprising an air heater (24), and a secondary loop (4) including a secondary radiator (60) having an exchange area and a secondary pump ( 58), wherein the main radiator (18) or the secondary radiator (60) is divided into at least two separate heat exchange sections (144, 146), the change from one configuration to the other is carried out in increments, by the switching of a heat exchange section from one circuit to the other, and the main system (2) and the secondary loop (4) are connected by interconnecting means (6 ) which make it possible to control coolant fluid circulation between the main system (2) and the secondary loop (4) or to prohibit this circulation depending on the load state of the heat engine (10 ), wherein the main system (4) comprises a four-way (30- 1, 30-2, 30-3, 30-4) thermostatic valve (30), a first way (30-1) being connected to an engine pipeline (8), a second way (30- 2) connected to a short-circuit pipeline (20), a third way ( 30-3) connected to a main radiator pipeline (16) and a fourth way (30-4) connected to a heating pipeline (22 ). 3. The system as in claim 1, wherein the motor vehicle comprises one or more equipments exchanging heat with the environment which is outside them by the intermediary of an equipment heat exchanger (34, 36, 38, 64, 66), the equipment heat exchanger or exchangers being included in the main system (2) and/or in the secondary loop (4), each heat exchanger exchanging heat with the coolant cycle fluid. 4. The system as in claim 1, wherein the interconnecting means (6) form a cold start configuration comprising a main cold start loop and a secondary cold start loop that are isolated from each other, the main radiator (18) and the secondary radiator (60 ) included in the secondary cold start loop; and a normal operating configuration in which the circulation of the coolant fluid is carried out intermittently between the main cold start loop and the secondary cold start loop depending on the load state of the heat engine. 5. The system as in claim 4, wherein the interconnecting means (6) are additionally capable of forming a heavy load configuration in which the main system (2) and the secondary loop (4) are isolated from each other, the main radiator (18) being used exclusively for cooling the main system (2) and the secondary radiator (60) being used exclusively for cooling the secondary loop (4). 6. A system for managing the heat energy developed by a heat engine of a motor vehicle comprising a main system (2) equipped with a main pump (12) to make a coolant fluid circulate between the heat engine (10) and a main cooling radiator (18) having an exchange area and exchanging heat with the external atmospheric air, the main system (2) furthermore comprising a short-circuit pipeline (20) and a heating pipeline (22) comprising an air heater (24), and a secondary loop (4) including a secondary radiator (60) having an exchange area and a secondary pump ( 58), wherein the main radiator (18) or the secondary radiator (60) is divided into at least two separate heat exchange sections (144, 146), the change from one configuration to the other is carried out in increments, by the switching of a heat exchange section from one circuit to the other, and the main system (2) and the secondary loop (4) are connected by interconnecting means (6 ) which make it possible to control coolant fluid circulation between the main system (2) and the secondary loop (4) or to prohibit this circulation depending on the load state of the heat engine (10 ), wherein the interconnecting means comprise a four-way valve (70) , a first threeway valve (72) and a second three-way valve ( 74), the four-way valve (70) and the first three-way valve ( 72) being included in the main system (2) the second three-way valve (74) being included in the secondary loop (4). 7. A valves system for producing the interconnection of a main system (2) equipped with a main pump (12) for causing a coolant cycle fluid to circulate between the heat engine (10) and a main cooling radiator (18) exchanging heat with the external atmospheric air, and a secondary loop (2) including a secondary radiator (60) and a secondary pump (58), wherein the system comprises a four-way valve (70), a first three-way valve (72 ) and a second three-way valve (74), the four-way valve (70) and the first three way valve (72) included in the main system (2), the second three-way valve (74) included in the secondary loop; wherein the main exchanger (18) is divided into a high temperature heat exchange section (144) permanently and exclusively included in the main system (2) arid an assignable heat exchange section (146) included either in the main system ( 2) or in the secondary loop (4), the secondary heat exchanger itself included permanently in the secondary loop (2); and wherein the interconnecting means (6) comprise two four-way valves ( 150). 8. A valves system for producing the interconnection of a main system (2) equipped with a main pump (12) for causing a coolant cycle fluid to circulate between the heat engine (10) and a main cooling radiator (18) exchanging heat with the external atmospheric air, and a secondary loop (2) including a secondary radiator (60) and a secondary pump (58), wherein the system comprises a four-way valve (70), a first three-way valve (72 ) and a second three-way valve (74), the four-way valve (70) and the first three way valve (72) included in the main system (2), the second three-way valve (74) included in the secondary loop; wherein the main exchanger (18) is divided into a high temperature heat exchange section (144) permanently and exclusively included in the main system (2) and an assignable heat exchange section (146) included either in the main system (2 ) or in the secondary loop (4), the secondary heat exchanger itself included permanently in the secondary loop (2); and, where in the interconnecting means (6) comprise a single valve having at least five ways (160, 210, 240, 250). 9. The system as in claim 8, wherein the five-way valve comprises a body (162) comprising a cylindrical side wall delimiting a cylindrical housing, at least two pipes (168) for the inlet or the outlet of the fluid in the body (162), a rotary adjustment device (174) mounted in a rotary manner about an axis (XX) in the cylindrical housing of the body (162), so that the rotary device assumes different angular positions for controlling the circulation of the fluid between the pipes. 10. The system as in claim 9, wherein the pipes of the valve are distributed on a single level. 11. The system as in claim 9, wherein the pipes of the valve are distributed over several levels. 12. The system as in claim 9, wherein the rotary adjustment device (174) comprises pockets (186) capable of connecting two or more than two pipes with each other. 13. The system as in claim 1, wherein the main system ( 2) and the secondary loop (4) each comprise an expansion vessel. 14. The system as in claim 1, wherein the main system ( 2) and the secondary loop (4) comprise a common expansion vessel. 15. The system as in claim 2, wherein the motor vehicle comprises one or more equipments exchanging heat with the environment which is outside them by the intermediary of an equipment heat exchanger (34, 36, 38, 64, 66), the equipment heat exchanger or exchangers being included in the main system (2) or in the secondary loop (4), each heat exchanger exchanging heat with the coolant cycle fluid. 16. The system as in claim 3, wherein the main radiator ( 18) and/or the secondary radiator (60) are part of a heat exchange module comprising a first heat exchanger (18) and a second heat exchanger (60) each one having an inlet collector box and an outlet collector box, the first heat exchanger (18) and the second heat exchanger (60) superimposed in such a way as to be traversed by the same flow of air, the outlet collector box of the first beat exchanger (18) connected with the inlet collector box of the second heat exchanger (60) by a connecting orifice, and a valve means making it possible to open or to close the connecting orifice. 17. The system as in claim 4, wherein the interconnecting means (6) forms a cold start configuration comprising a main cold start loop and a secondary cold start loop that are isolated from each other, the main radiator (18) and the secondary radiator (60 ) being included in the secondary cold start loop; and a normal operating configuration in which the circulation of the coolant fluid is carried out intermittently between the main cold start loop and the secondary cold start loop depending on the load state of the heat engine. 18. The system as in claim 16, further comprising a thermostatic valve (30) disposed in the main cold start loop, a circulation of coolant fluid taking plate between the main cold start loop and the secondary cold start loop depending on the open or closed state of the thermostatic valve (30). 19. The system as in claim 16, further comprising a thermostatic valve (30) disposed in the main cold start loop, a circulation of coolant fluid taking place between the main cold start loop and the secondary cold start loop depending on the open or closed state of the thermostatic valve (30). 20. The system as in claim 2, wherein the main system ( 2) and the secondary loop (4) each comprise an expansion vessel. 21. The system as in claim 2, wherein the main system ( 2) and the secondary loop (4) comprise a common expansion vessel. 22. The system as in claim 1, having at least an expensive vessel in secondary loop and wherein the secondary loop (4) comprises a secondary radiator pipeline (56) in which are connected the secondary radiator (60) and a secondary circulation pump (58), and a pipeline (62). 23. The system as in claim 2, wherein the motor vehicle comprises one or more equipments exchanging heat with the environment which is outside them by the intermediary of an equipment heat exchanger (34, 36, 38, 64, 66), the equipment heat exchanger or exchangers being included in the main system (2) and/or in the secondary loop (4), each heat exchanger exchanging heat with the coolant cycle fluid.