Internal combustion engine including an exhaust gas recirculation system and/or a water-cooled charge air cooler

Patent metadata

Field	Value
Publication number	US-9897048-B2
Application number	US-201615080128-A
Country	US
Kind code	B2
Filing date	Mar 24, 2016
Priority date	Mar 27, 2015
Publication date	Feb 20, 2018
Grant date	Feb 20, 2018

Abstract

An internal combustion engine having a crankcase and a cylinder head is provided. The internal combustion engine includes at least one cylinder block, at least one cooler, at least one smooth flange surface for accommodating the at least one cooler, at least one coolant inlet to the cooler, at least one coolant outlet from the cooler, at least one exhaust gas inlet to the cooler, at least one integrated exhaust gas feed-through from the cooler and at least one internal cooling section.

First claim

What is claimed is:

1. An internal combustion engine having a crankcase and a cylinder head, the internal combustion engine comprising:
at least one cylinder block;
at least one cooler;
at least one smooth flange surface for accommodating the at least one cooler;
at least one coolant inlet to the cooler;
at least one coolant outlet from the cooler;
at least one exhaust gas inlet to the cooler;
at least one integrated exhaust gas feed-through from the cooler; and
at least one internal cooling section, the coolant inlet and the coolant outlet both being on a first side of the internal cooling section such that coolant from the coolant inlet flows in the cooler in a first direction along the internal cooling section and then flows in the cooler in a second direction opposite the first direction along the internal cooling section and out the coolant outlet.

2. The internal combustion engine as recited in claim 1 wherein the internal cooling section includes turbulence generators.

3. The internal combustion engine as recited in claim 1 wherein the coolant inlet to the cooler has a controllable design.

4. The internal combustion engine as recited in claim 1 wherein the exhaust gas inlet to the cooler has a controllable design.

5. The internal combustion engine as recited in claim 1 wherein the smooth flange surface is situated on a longitudinal side of the crankcase.

6. The internal combustion engine as recited in claim 5 wherein the smooth flange surface is an exhaust gas recirculation/water cooled air conditioner interface.

7. The internal combustion engine as recited in claim 1 wherein the smooth flange surface is situated on a longitudinal side of the cylinder head.

8. The internal combustion engine as recited in claim 7 wherein the smooth flange surface is an exhaust gas recirculation/water cooled air conditioner interface.

9. The internal combustion engine as recited in claim 1 further comprising channels and diaphragms and/or throttle devices inserted into the channels.

10. The internal combustion engine as recited in claim 1 further comprising an exhaust gas recirculation/water cooled air conditioner cooler connected to the internal cooling section in a communicating manner.

11. A method for operating an internal combustion engine comprising:
operating the internal combustion engine as reciting in claim 1 .

12. The internal combustion engine as recited in claim 1 further comprising an exhaust gas recirculation line connected to the exhaust gas inlet and the integrated exhaust gas feed-through.

13. The internal combustion engine as recited in claim 12 wherein the exhaust gas inlet is on a second side of the internal cooling section opposite the first side.

14. The internal combustion engine as recited in claim 13 further comprising an exhaust gas recirculation line connected to the exhaust gas inlet and the integrated exhaust gas feed-through, the integrated exhaust gas feed-through being on the second side of the internal cooling section such that exhaust gas from the exhaust gas inlet flows in the exhaust gas recirculation line in the second direction along the internal cooling section and then flows in the exhaust gas recirculation line in the first direction along the internal cooling section and out the coolant outlet integrated exhaust gas feed-through.

15. The internal combustion engine as recited in claim 12 wherein the cooler extends further away from the smooth flange surface than the exhaust gas recirculation line such that the exhaust gas recirculation line flows inside of the cooler.

16. The internal combustion engine as recited in claim 12 further comprising a further surface, a channel guide configured for removing exhaust gas from the cylinder head and an exhaust gas inlet opening in the further surface, the exhaust gas being passed through the exhaust gas inlet opening to the exhaust gas inlet.

Assignees

• Deutz Ag

Inventors

• Joisten Pieritz Joachim
• Smolenzev Xenia
• Kipke Peter
• Kleinschmidt Toni
• Jung Marco
• Kurt Tobias
• Hoffmann Peter
• Schwabauer Paul
• Knaps Gerhard
• Blum Ralf

Classifications

• F01P2060/16

  Outlet manifold · CPC title

• F01M2011/0025

  with heat exchangers · CPC title

• F02M26/20

  Feeding recirculated exhaust gases directly into the combustion chambers or into the intake runners · CPC title

• F01P3/04

  Liquid-to-air heat-exchangers combined with, or arranged on, cylinders or cylinder heads · CPC title

• F02F7/00

  Casings, e.g. crankcases · CPC title