HEAT TRANSPORTING ARRANGEMENT AND METHOD FOR THE EXCHANGE OF HEAT IN A MOTOR VEHICLE BY MEANS OF THE HEAT TRANSPORTING ARRANGEMENT

• US 20140097261A1
• Filed: 10/07/2013
• Published: 04/10/2014
• Est. Priority Date: 10/05/2012
• Status: Abandoned Application

• Current Assignee: Robert Bosch GmbH
• Original Assignee: Robert Bosch GmbH
• Inventors: Blumenstock, Andreas, Heyse, Joerg, Demmer, Thomas
• Application Number:
  US14/047,094
• Publication Number:
  US 20140097261A1
• Time in Patent Office: Days
• US Class Current: 237/5
• CPC Class Codes: B60H 1/00492 comprising regenerative heating or cooling means, e.g. heat accumulators
• CPC Class Codes: B60H 1/03 and from a source other than the propulsion plant
• CPC Class Codes: B60H 1/22 the heat being derived otherwise than from the propulsion plant B60H1/0025, B60H1/00492 and B60H1/03 take precedence
• CPC Class Codes: F01N 5/02 the devices using heat
• CPC Class Codes: F01P 2060/08 Cabin heater
• CPC Class Codes: F01P 3/20 Cooling circuits not specific to a single part of engine or machine F01P3/22 takes precedence

Abstract

A heat transporting arrangement (10) for a motor vehicle, having at least one heat circuit (14, 16, 50) in which a heat transporting medium is accommodated and which is thermally coupled to one of the components of a drivetrain in order to exchange heat between the component and the heat transporting medium, a temperature control device (25) which is configured to heat a passenger compartment of a motor vehicle, and a heat store arrangement (30) which is coupled to the heat circuit (14, 16, 50) and to the temperature control device (25) and which is configured to store heat discharged from the heat transporting medium and to release said heat for of heating one of the components of the drivetrain and the passenger compartment.

Claims

1. A heat transporting arrangement (10) for a motor vehicle, wherein the motor vehicle has a drivetrain with a multiplicity of components and wherein one of the components is an internal combustion engine (12), the arrangement comprising:

at least one heat circuit (14, 16, 50) in which a heat transporting medium is accommodated and which is thermally coupled to one of the components of the drivetrain in order to exchange heat between the component and the heat transporting medium,

a temperature control device (25) which is configured to heat a passenger compartment of the motor vehicle, and

a heat store arrangement (30) which is coupled to the heat circuit (14, 16, 50) and to the temperature control device (25) and which is configured to store heat discharged from the heat transporting medium and to release said heat for the purpose of heating one of the components of the drivetrain and a passenger compartment.

2. The heat transporting arrangement according to claim 1, wherein the temperature control device (25) is configured to cool at least one of a component of the drivetrain and the passenger compartment, and wherein the heat store arrangement (30) is configured to release the stored heat for the purpose of cooling at least one of a component of the drivetrain and the passenger compartment.

3. The heat transporting arrangement according to claim 1, wherein the heat circuit is a cooling water circuit (14) in which cooling water is accommodated as a heat transporting medium and which is thermally coupled to the internal combustion engine (12) in order to heat or cool the internal combustion engine (12) by means of the cooling water.

4. The heat transporting arrangement according to claim 3, wherein the temperature control device (25) has a heat exchanger (26) which is thermally coupled to the cooling water circuit (14) and which is configured to transfer heat from the heat transporting medium into the passenger compartment of the motor vehicle.

5. The heat transporting arrangement according to claim 1, wherein the heat circuit is an engine oil circuit (16) in which engine oil is accommodated as a heat transporting medium and which is thermally coupled to the internal combustion engine (12) in order to heat or cool the internal combustion engine (12) by means of the engine oil.

6. The heat transporting arrangement according to claim 1, wherein one of the components of the drivetrain is a transmission, and wherein the heat circuit is a transmission oil circuit in which transmission oil is accommodated as a heat transporting medium and which is thermally coupled to the transmission in order to heat or cool the transmission by means of the transmission oil.

7. The heat transporting arrangement according to claim 1, wherein the heat circuit is an exhaust-gas heat circuit (50) in which an exhaust-gas heat transporting medium is accommodated as a heat transporting medium and which is thermally coupled via an exhaust-gas heat exchanger (54) to an exhaust-gas stream of the internal combustion engine (12) in order to transfer heat of the exhaust-gas stream to the exhaust-gas heat transporting medium.

8. The heat transporting arrangement according to claim 1, wherein the heat transporting arrangement (10) has a multiplicity of heat circuits (14, 16, 50) which are in each case thermally coupled to one of the components of the drivetrain, and wherein the heat store arrangement (30) is thermally coupled to each of the heat circuits (14, 16, 50).

9. The heat transporting arrangement according to claim 8, wherein one of the heat circuits is a cooling water circuit (14) and another of the heat circuits is an engine oil circuit (16).

10. The heat transporting arrangement according to claim 1, wherein the heat store arrangement (30) has a latent heat store (32).

11. The heat transporting arrangement according to claim 1, wherein the heat store arrangement (30) has an adsorption store (38) and the temperature control device (25) has a condenser (40) and an evaporator (42), wherein the condenser (40) is configured to condense adsorbate released during a desorption phase of the adsorption store (38), and wherein the evaporator (42) is configured to evaporate condensed adsorbate, to cool a medium surrounding the evaporator (42) and to supply the adsorbate to the adsorption store (38) during an adsorption phase of the adsorption store (38).

12. A method (56) for the exchange of heat in a motor vehicle by means of a heat transporting arrangement (10), wherein the motor vehicle has a drivetrain with a multiplicity of components, wherein one of the components is an internal combustion engine (12), wherein the heat transporting arrangement (10) has at least one heat circuit (14, 16, 50), which is thermally coupled to one of the components of the drivetrain, a temperature control device (25) and a heat store arrangement (30) which is coupled to the heat circuit (14, 16, 50) and to the temperature control device (25), the method comprising the steps:

discharging heat from one of the components of the drivetrain by means of the heat circuit (14, 16, 50),

storing the heat from the heat circuit (14, 16, 50) in the heat store arrangement (30), and

releasing the stored heat from the heat store arrangement (30) to the heat circuit (14, 16, 50) in order to heat one of the components of the drivetrain and a passenger compartment of the motor vehicle.

13. The method according to claim 12, wherein stored heat is released from the heat store arrangement (30) in order to cool at least one of a component of the drivetrain and the passenger compartment.

14. The method according to claim 12, wherein at least a part of the heat is discharged and stored while the internal combustion engine (12) is in a shut-down state.

15. The method according to claim 12, wherein at least a part of the stored heat is released while the internal combustion engine (12) is in a shut-down state.