Hybrid Thermal Energy Conversion for HCCI Heated Intake Charge System

• US 20080276913A1
• Filed: 05/10/2007
• Published: 11/13/2008
• Est. Priority Date: 05/10/2007
• Status: Active Grant

• Current Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Original Assignee: Ford Global Technologies, LLC (Ford Motor Company)
• Inventors: Zubeck, Michael W.
• Granted Patent: US 7,621,262 B2
• Time in Patent Office: Days
• US Class Current: 123/543
• CPC Class Codes: B60K 6/442 Series-parallel switching type
• CPC Class Codes: B60K 6/46 Series type
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: B60L 50/61 by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
• CPC Class Codes: B60L 7/14 for vehicles propelled by ac motors
• CPC Class Codes: B60W 10/06 including control of combustion engines
• CPC Class Codes: B60W 10/08 including control of electric propulsion units, e.g. motors or generators
• CPC Class Codes: B60W 10/24 including control of energy storage means
• CPC Class Codes: B60W 10/26 for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: B60W 20/00 Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 20/40 Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers power-up or power-down of the driveline B60W30/192
• CPC Class Codes: B60W 2510/24 Energy storage means
• CPC Class Codes: B60W 2510/244 Charge state
• CPC Class Codes: B60W 2710/0688 Engine temperature
• CPC Class Codes: B60Y 2400/435 Supercharger or turbochargers
• CPC Class Codes: F02B 1/12 with compression ignition with fuel-air charge ignited by compression ignition of an additional fuel F02B7/00
• CPC Class Codes: F02B 29/0418 the intake air cooler having a bypass or multiple flow paths within the heat exchanger to vary the effective heat transfer surface
• CPC Class Codes: F02D 29/02 peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
• CPC Class Codes: F02D 33/02 of combustion-air
• CPC Class Codes: F02D 41/068 for warming-up
• CPC Class Codes: F02D 41/3035 : a mode being the premixed charge compression-ignition mode
• CPC Class Codes: F02M 26/05 : High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
• CPC Class Codes: F02M 26/23 : Layout, e.g. schematics
• CPC Class Codes: F02M 31/08 : the gases being exhaust gases adding exhaust gases to the air intake passage F02M26/00
• CPC Class Codes: F02M 31/107 : Controlled or manual switching
• CPC Class Codes: F02M 31/13 : Combustion air
• CPC Class Codes: F02M 31/14 : by using heat from working cylinders or cylinder heads
• CPC Class Codes: Y02T 10/12 : Improving ICE efficiencies
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Abstract

A method of operating an internal combustion engine coupled in a hybrid powertrain, the method comprising of extracting waste energy from a component of an electrical power system of the hybrid powertrain, and adjusting intake air temperature during homogeneous charge compression ignition operation of the engine by using said extracted waste energy.

Claims

1. A method of operating an internal combustion engine coupled in a hybrid powertrain, the method comprising:

extracting waste energy from a component of an electrical power system of the hybrid powertrain; and

adjusting intake air temperature during homogeneous charge compression ignition operation of the engine by using said extracted waste energy.

2. The method according to claim 1 wherein said extracting waste energy from a component of an electrical power system of the hybrid power train comprises extracting thermal energy from a component of the electrical power system of the hybrid powertrain.

3. The method according to claim 2 wherein said component comprises an energy conversion device.

4. The method according to claim 2 wherein said component comprises an energy storage device.

5. The method according to claim 2 wherein said component comprises an electrical generator.

6. The method according to claim 2 wherein said component comprises a regenerative braking system.

7. The method according to claim 1 wherein said extracting waste energy comprises extracting excess electrical energy generated from a component the electric power system of the hybrid powertrain.

8. The method according to claim 7 wherein said component comprises an engine electrical power generating system.

9. The method according to claim 7 wherein said component comprises a regenerative braking system.

10. The method according to claim 1 wherein said adjusting intake air temperature comprises coordinating a plurality of extracted waste energy.

11. The method according to claim 1 wherein said adjusting intake air temperature comprises coordinating a plurality of extracted waste energy and engine operation.

12. The method according to claim 1 wherein said extracting waste energy from a component of an electrical power system further comprises extracting excess energy from an external plug-in.

13. An intake thermal management system for a hybrid charge compression ignition—

electric vehicle for adjusting engine intake air temperature, comprising;

an electrical power system for a hybrid power train; and

a device for extracting waste energy of the electrical power system for heating the engine intake air.

14. The intake thermal management system according to claim 13, wherein said device comprises an electrical heater for extracting waste electrical energy of the electrical power system for heating the engine intake air.

15. The intake thermal management system according to claim 14, wherein the electrical heater is coupled to a device for generating electrical power from an engine output torque.

16. The intake thermal management system according to claim 14, wherein the electrical heater is coupled to a device for generating electrical power from regenerative braking.

17. The intake thermal management system according to claim 13, wherein said device comprises a heat exchanger for extracting thermal energy of the electrical power system for heating the intake air.

18. The intake thermal management system according to claim 13, wherein said device comprises a heat exchanger and an electrical heater for heating the engine intake air.

19. The intake thermal management system according to claim 18, wherein it further comprises a control unit for coordinating the operation of the heat exchanger and the electrical heater. The intake thermal management system according to claim 13 wherein the system further comprises a plug-in for charging the electrical power system.