A heat management system of the present invention comprises: a coolant heater for heating coolant; a first coolant pump which is connected to a coolant inlet or a coolant outlet of the coolant heater to pump the coolant and is coupled to the coolant heater; and a second coolant pump which is connected to a battery side to pump the coolant and is coupled to the coolant heater, wherein the coolant heater, the first coolant pump, and the second coolant pump are arranged in an engine room of a vehicle. Thus, a loss of coolant pressure can be reduced in a pipe which connects components constituting a coolant system of the vehicle, such that the performance of the system is improved and noise and vibration in the interior of the vehicle may be reduced.

A system includes an engine defining a water jacket fluidly coupled to a heat exchanger. An exhaust manifold defines an exhaust manifold cooling passage. A pump is fluidly coupled to the water jacket, and to each of the heat exchanger and the exhaust manifold cooling passage. An engine cooling circuit includes the water jacket, the heat exchanger, and the pump. An exhaust cooling circuit is selectively fluidly coupled to the engine cooling circuit. The exhaust cooling circuit includes the water jacket, the exhaust manifold cooling passage, and the pump. A control valve includes an inlet fluidly coupled to a first portion of the water jacket. A first outlet is fluidly coupled to a second portion of the water jacket. A second outlet is fluidly coupled to the exhaust cooling circuit. The control valve is structured to selectively control flow of coolant fluid through the second outlet.

Disclosed herein is an integrated reservoir tank assembly for a vehicle. The integrated reservoir tank assembly for a vehicle includes an integrated reservoir tank in which an inner space is partitioned into a first chamber configured to store cooling water of a first cooling circuit and a second chamber configured to store cooling water of a second cooling circuit by a partition wall; a first electric water pump integrally coupled to the first chamber of the integrated reservoir tank and configured to transmit the cooling water stored in the first chamber along a cooling water line of the first cooling circuit; and a second electric water pump integrally coupled to the second chamber of the integrated reservoir tank and configured to transmit the cooling water stored in the second chamber along a cooling water line of the second cooling circuit.

A heat management system of the present invention comprises: a coolant heater for heating coolant; a first coolant pump which is connected to a coolant inlet or a coolant outlet of the coolant heater to pump the coolant and is coupled to the coolant heater; and a second coolant pump which is connected to a battery side to pump the coolant and is coupled to the coolant heater, wherein the coolant heater, the first coolant pump, and the second coolant pump are arranged in an engine room of a vehicle. Thus, a loss of coolant pressure can be reduced in a pipe which connects components constituting a coolant system of the vehicle, such that the performance of the system is improved and noise and vibration in the interior of the vehicle may be reduced.

A heat management system of the present invention comprises: a coolant heater for heating coolant; a first coolant pump which is connected to a coolant inlet or a coolant outlet of the coolant heater to pump the coolant and is coupled to the coolant heater; and a second coolant pump which is connected to a battery side to pump the coolant and is coupled to the coolant heater, wherein the coolant heater, the first coolant pump, and the second coolant pump are arranged in an engine room of a vehicle. Thus, a loss of coolant pressure can be reduced in a pipe which connects components constituting a coolant system of the vehicle, such that the performance of the system is improved and noise and vibration in the interior of the vehicle may be reduced.

One or more techniques and/or systems are disclosed for a new coolant tank that may also provide a structural element to the frame of the engine compartment. The coolant tank is comprised of a rear wall that also makes up a portion of the firewall in the engine compartment. A structural coolant tank component is engaged with the rear wall to form the coolant reservoir. The coolant reservoir can provide support to attach structural elements of the vehicle, and can also allow for improved space efficiency in the engine compartment. Further, improved access to the filling port is provided, while continued operation and desired function is maintained even at extreme vehicle tilt.

Disclosed is a method for heating a housing containing at least one functional member, the housing including: at least one wall shared with a reservoir intended to receive a liquid; and at least one wall provided with an orifice leading to the outside and closed by a pressure equalizing membrane porous to water vapor and impermeable to liquid water. The method is notable in that the interior volume of the housing is heated in at least one of the following situations: when the reservoir is subjected to a drop in temperature other than a drop in temperature likely to cause the liquid to freeze; each time a vehicle equipped with this housing is started; and when thermal conditions capable of producing condensates are detected in the interior volume of the housing, closed by the membrane.

An expansion tank for a vehicle with dual cooling lines includes a first chamber with a first fluid pressure, wherein the expansion tank includes a first fluid connector in fluid connection with the first chamber for connection to a first cooling line, a second chamber with a second fluid pressure, wherein the expansion tank includes a second fluid connector in fluid connection with the second chamber for connection to a second cooling line, wherein the first chamber and the second chamber are in fluid connection via a pressure actuated two-way valve that acts as a one-way valve open in the direction towards the second chamber at differential pressures between the second fluid pressure and the first fluid pressure below a first predetermined differential pressure threshold and opens also in the direction towards the first chamber at differential pressures above the first predetermined differential pressure threshold.

A reservoir tank includes a tank portion having a cover coupled to an upper portion thereof, and having coolants with different temperatures supplied thereto, a heat exchange reduction portion partitioning an internal space of the tank portion into a first accommodation space and a second accommodation space, and having the first accommodation space and the second accommodation space formed to be spaced from each other, and a discharge portion formed in the heat exchange reduction portion and formed to allow coolant flowing into the heat exchange reduction portion to be discharged back to the first accommodation space and the second accommodation space, respectively.

A heat management system includes a reservoir tank which stores a coolant and can replenish, with the coolant, a coolant line connected to the reservoir tank; a flow path transition valve which is connected to the downstream side, according to the flow direction of the coolant, of the reservoir tank and can control the flow direction of the coolant; and a coolant circulation pump which is connected to the downstream side, according to the flow direction of the coolant, of the flow path transition valve and pumps the coolant along the coolant line, wherein, through the layout structure of the reservoir tank, flow path transition valve, and coolant circulation pump, the distance between parts constituting a coolant system of a vehicle is minimized, and the overall flow of the coolant is formed in the direction of gravity, and, thereby, a pressure drop of the coolant can be reduced.