Vehicle heating/cooling system with consolidated heating/cooling core

Patent metadata

Field	Value
Publication number	US-9786963-B2
Application number	US-201313890814-A
Country	US
Kind code	B2
Filing date	May 9, 2013
Priority date	May 9, 2013
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

A vehicle heating/cooling system for a vehicle comprises an internal combustion engine coupled to a closed engine coolant circuit to recirculate engine coolant therethrough; a refrigerant compressor coupled to a closed refrigerant circuit to recirculate refrigerant therethrough, wherein the refrigerant compressor is coupled to the internal combustion engine to be driven thereby; a closed thermally regulated fluid circuit to recirculate thermally regulated fluid therethrough; and a consolidated heating/cooling core coupled to the closed engine coolant circuit, to the closed refrigerant circuit and to the closed thermally regulated fluid circuit.

First claim

We claim:

1. A vehicle heating/cooling system ( 100 ) for a vehicle comprising:
an internal combustion engine ( 102 ) coupled to a closed engine coolant circuit ( 136 ) to recirculate engine coolant therethrough;
a refrigerant compressor ( 106 ) coupled to a closed refrigerant circuit ( 140 ) to recirculate refrigerant therethrough, wherein the refrigerant compressor is coupled to the internal combustion engine ( 102 ) to be driven thereby;
a closed thermally regulated fluid circuit ( 146 ) to recirculate thermally regulated fluid therethrough; and
a consolidated heating/cooling core ( 104 ) coupled to the closed engine coolant circuit ( 136 ), to the closed refrigerant circuit ( 140 ) and to the closed thermally regulated fluid circuit ( 146 ) to conduct heat energy from the engine coolant into the thermally regulated fluid and to conduct heat energy from the thermally regulated fluid into the refrigerant, wherein the consolidated heating/cooling core ( 104 ) defines a first closed path ( 138 ) for conducting the engine coolant therethrough, wherein the consolidated heating/cooling core ( 104 ) defines a second closed path ( 142 ) for conducting the refrigerant therethrough, and wherein the consolidated heating/cooling core ( 104 ) defines a third closed path ( 144 ) for conducting the thermally regulated fluid therethrough, wherein the first closed path ( 138 ), the second closed path ( 142 ) and the third closed path ( 144 ) are defined by a plurality of cylinders ( 200 , 206 , 212 , 404 , 410 , 416 ), wherein the plurality of cylinders ( 200 , 206 , 212 ) comprises a first cylinder ( 200 ), a second cylinder ( 206 ), and a third cylinder ( 212 ), and further wherein each cylinder of the plurality of cylinders ( 200 , 206 , 212 ) has an inner surface and an outer surface, and further wherein the first cylinder ( 200 ) is surrounded by the second cylinder ( 206 ) which is surrounded by the third cylinder ( 212 ), wherein the first closed path ( 138 ) is defined by an inner surface of the first cylinder ( 200 ), and further wherein the second closed path ( 142 ) is defined by a space between the outer surface of the second cylinder ( 206 ) and the inner surface of the third cylinder ( 212 ), and further wherein the third closed path ( 144 ) is defined by the space between the outer surface of the first cylinder ( 200 ) and the inner surface of the second cylinder ( 206 ).

2. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein the plurality of cylinders ( 200 , 206 , 212 , 404 , 410 , 416 ) is concentric.

3. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein each cylinder of the plurality of cylinders ( 200 , 206 , 404 , 416 ) is nested within at least another cylinder of the plurality of cylinders ( 206 , 212 , 410 ).

4. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein the closed thermally regulated fluid circuit ( 146 ) passes through a thermally regulated load ( 148 ), and further wherein the thermally regulated load ( 148 ) comprises a battery ( 112 ).

5. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein the closed thermally regulated fluid circuit ( 146 ) passes through a thermally regulated load ( 148 ), and further wherein the thermally regulated load ( 148 ) comprises an inverter ( 110 ).

6. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein the consolidated heating/cooling core ( 104 ) is a rigid, unitary body.

7. The vehicle heating/cooling system ( 100 ) of claim 1 , wherein a fluid flow direction through one of the first closed path ( 138 ), the second closed path ( 142 ) and the third closed path ( 144 ) is opposite to a fluid flow direction through the other two of the first closed path ( 138 ), the second closed path ( 142 ) and the third closed path ( 144 ).

8. The vehicle heating/cooling system ( 100 ) of claim 1 , further comprising:
a control valve ( 124 ) disposed in the closed engine coolant circuit to regulate the flow of engine coolant therethrough: and
an ECU ( 118 ) coupled to the control valve ( 124 ) to regulate the amount of heat energy in the engine coolant that is conducted to the thermally regulated fluid within the consolidated heating/cooling core.

9. A consolidated heating/cooling core ( 104 ) for a vehicle heating/cooling system ( 100 ) of a vehicle, the vehicle heating/cooling system ( 100 ) comprising a closed engine coolant circuit ( 136 ) for conducting engine coolant therethrough, a closed refrigerant circuit ( 140 ) for conducting refrigerant therethrough, and a closed thermally regulated fluid circuit ( 146 ) for conducting thermally regulated fluid therethrough, the consolidated heating/cooling core ( 104 ) comprising:
a first closed path ( 138 ) for conducting the engine coolant therethrough;
a second closed path ( 142 ) for conducting the refrigerant therethrough; and
a third closed path ( 144 ) for conducting the thermally regulated fluid therethrough,
wherein the consolidated cooling core is adapted to conduct heat energy from the engine coolant into the thermally regulated fluid and to conduct heat energy from the thermally regulated fluid into the refrigerant, wherein the first closed path ( 138 ), the second closed path ( 142 ) and the third closed path ( 144 ) are defined by a plurality of cylinders ( 200 , 206 , 212 , 404 , 410 , 416 ), wherein the plurality of cylinders ( 200 , 206 , 212 ) comprises a first cylinder ( 200 ), a second cylinder ( 206 ), and a third cylinder ( 212 ), and further wherein each cylinder of the plurality of cylinders ( 200 , 206 , 212 ) has an inner surface and an outer surface, and further wherein the first cylinder ( 200 ) is surrounded by the second cylinder ( 206 ) which is surrounded by the third cylinder ( 212 ), wherein—the first closed path ( 138 ) is defined by an inner surface of the first cylinder ( 200 ), and further wherein the second closed path ( 142 ) is defined by a space between the outer surface of the second cylinder ( 206 ) and the inner surface of the third cylinder ( 212 ), and further wherein the third closed path ( 144 ) is defined by the space between the outer surface of the first cylinder ( 200 ) and the inner surface of the second cylinder ( 206 ).

10. The consolidated heating/cooling core ( 104 ) of claim 9 , wherein each cylinder of the plurality of cylinders ( 200 , 206 , 212 , 404 , 410 , 416 ) is concentric with another cylinder of the plurality of cylinders ( 200 , 206 , 212 , 404 , 410 , 416 ).

Assignees

• Deere & Co

Inventors

• Vandike Nathan R
• Beals Adam J

Classifications

• F28D7/103

  consisting of more than two coaxial conduits or modules of more than two coaxial conduits · CPC title

• B60H1/32281

  comprising a single secondary circuit, e.g. at evaporator or condenser side · CPC title

• F28D2021/008

  for vehicles · CPC title

• F28D7/106

  consisting of two coaxial conduits or modules of two coaxial conduits · CPC title

• B60H1/00278 Primary

  for the battery · CPC title