DC energy transfer apparatus, applications, components, and methods

• US 9,287,701 B2
• Filed: 07/21/2015
• Issued: 03/15/2016
• Est. Priority Date: 07/22/2014
• Status: Active Grant

• Current Assignee: Richard H. Sherrat And Susan B. Sherratt Trust Fund
• Original Assignee: Richard H. Sherratt and Susan B. Sherratt Revocable Trust Fund
• Inventors: Elfman, Brian
• Primary Examiner(s): Ismail, Shawki S
• Assistant Examiner(s): Carrasquillo, Jorge L
• Application Number:
  US14/805,315
• Publication Number:
  US 20160028230A1
• Time in Patent Office: 238 Days
• Field of Search: 318/621, 318/504, 318/622, 318/108, 318/109, 318/400.22, 318/808, 318/812, 323/222, 323/225, 323/272, 323/282, 323/285, 323/65
• US Class Current: 1/1
• CPC Class Codes: B60L 1/00 Supplying electric power to auxiliary equipment of vehicles circuit arrangements for charging batteries H02J7/00
• CPC Class Codes: B60L 15/2045 for optimising the use of energy
• CPC Class Codes: B60L 2210/12 Buck converters
• CPC Class Codes: B60R 16/0231 Circuits relating to the driving or the functioning of the vehicle monitoring tyres B60C23/00; indicating overspeed B60K31/00; for dash boards B60K37/00, B60Q3/10; for indicating emergencies B60Q1/52; brake control systems B60T; registering or indicating the working of vehicles G07C5/00; measuring distance G01C, e.g. combinations of speed and distance G01C23/00; engine indicators G01L; measuring speed or acceleration G01P
• CPC Class Codes: H01H 47/00 Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
• CPC Class Codes: H02P 29/00 Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors arrangements for starting electric motors H02P1/00; arrangements for stopping or slowing electric motors H02P3/00; control of motors that can be connected to two or more different electric power supplies H02P4/00; regulating or controlling the speed or torque of two or more electric motors H02P5/00; vector control H02P21/00
• CPC Class Codes: Y02T 10/64 Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/72 Electric energy management in electromobility

Abstract

This discloses apparatus including, but not limited to, an all Direct Current (DC) energy transfer circuit, a energy transfer controller, an all-DC energy transfer network, components of use in such circuits, and application apparatus that benefits from including and/or using the all-DC energy transfer device and methods of operating the above in accord with this invention. The application apparatus may include, but are not limited to, a hybrid electric vehicle, an electric vehicle, and/or a solar power device, in particular, a hybrid electric/internal combustion engine automobile.

Claims

1. An apparatus, comprising an all-DC energy transfer network including a high energy terminal, a service terminal, a common terminal and at least one instance of an all-DC energy transfer device adapted to contribute to an energy transfer between said high energy terminal and said service terminal of at least one million Joules

wherein said all-DC energy transfer device includes an input DC terminal, a said common terminal and an output DC terminal;

said all-DC energy transfer device adapted to respond to an input DC Dynamical Electro-State (DES) at said input DC terminal to transfer electrical energy through at least one internal DES to an output DC Dynamical Electrical State (DES) at said output DC terminal;

each of said internal DES consist essentially of a DC DES adapted to flow current in only one direction

said all-DC energy transfer device including a first capacitive device, a second capacitive device, a switch and an inductive device;

wherein said first capacitive device, said second capacitive device, said switch and said inductive device each include a first terminal and a second terminal;

wherein said switch further includes a control terminal and said switch is adapted to close a connection between said first terminal and said second terminal of said switch in a closed state and to open said connection in a opened state, wherein said closed state and said opened state are the response to a control DES of said control terminal with respect to said common terminal;

said all-DC energy transfer device further includes

said input DC terminal connected to said first terminal of said first capacitive device and connected to said first terminal of said switch;

said second terminal of said first capacitive device is connected to said common terminal;

said second terminal of said switch connected to said first terminal of said inductive device;

said second terminal of said inductive device connected to said first terminal of said second capacitive device and to said output DC terminal; and

said second terminal of said second capacitive device is connected to said common terminal;

wherein said all-DC energy transfer device is adapted to meet or exceed each of said input DC DES includes a voltage of at least 36 volts, said output DC DES includes a voltage of at least twelve volts, said first capacitive device includes a capacitance of at least 500 micro Farads with a working voltage of at least 800 volts, said second capacitive device includes a capacitance of at least 1500 micro Farads, and is adapted for an energy transfer between said input DC terminal and said output DC terminal of at least K % efficiency of said energy transfer, wherein K is at least 65.

2. The apparatus of claim 1, wherein said all-DC energy transfer device is adapted to meet or exceed said K is at least 75.

3. The apparatus of claim 2, wherein said all-DC energy transfer device is adapted to meet or exceed said K is at least 83.

4. The apparatus of claim 1, wherein said all-DC energy transfer device is adapted to meet or exceed at least one of

said input DC DES includes a voltage of at least 1000 volts,

said output DC DES includes a voltage of at least 100 volts,

said first capacitive device includes a capacitance of at least 0.5 Farads with a working voltage of at least 1000 volts, and/or

said second capacitive device includes a capacitance of at least 1.0 Farads.

5. The apparatus of claim 4, wherein said all-DC energy transfer device is adapted to meet or exceed at least one of

said input DC DES includes a voltage of at least 2000 volts,

said output DC DES includes a voltage of at least 200 volts,

said first capacitive device includes a capacitance of at least 1.0 Farads with a working voltage of at least 2000 volts, and/or

said second capacitive device includes a capacitance of at least 2.0 Farads.

6. The apparatus of claim 5, wherein said all-DC energy transfer device is adapted to meet or exceed at least one of

said input DC DES includes a voltage of at least 3000 volts,

said output DC DES includes a voltage of at least 300 volts,

said first capacitive device includes a working voltage of at least 3000 volts, and/or

said second capacitive device includes a capacitance of at least 4.0 Farads.

7. The apparatus of claim 1, wherein said energy transfer between said high energy terminal and said service terminal is at least two million Joules.

8. The apparatus of claim 7, wherein said energy transfer between said high energy terminal and said service terminal is at least four million Joules.

9. The apparatus of claim 1, wherein said energy transfer between said high energy terminal and said service terminal has an energy efficiency of at least said K percent.

10. The apparatus of claim 1, wherein said K is at least 75.

11. The apparatus of claim 1, wherein said K is at least 83.

12. The apparatus of claim 1, further comprising a system operating in response to said energy transfer of said all-DC energy transfer network.

13. The apparatus of claim 12, wherein said system comprises an electric motor coupled to said service terminal to use said energy transfer of said all-DC energy transfer network.

14. The apparatus of claim 13, wherein said system further comprises a fuel cell and/or a solar cell and/or a generator coupled to said high energy terminal to provide energy to said all-DC energy transfer network for said energy transfer.

15. The apparatus of claim 13, wherein said system further comprises said all-DC energy transfer network.

16. The apparatus of claim 15, wherein said system at least partly implements a vehicle.

17. The apparatus of claim 16, wherein said vehicle is an electric vehicle and/or a hybrid vehicle.

18. The apparatus of claim 17, wherein said hybrid vehicle is a hybrid electric/Internal Combustion Engine (ICE) vehicle.

19. The apparatus of claim 16, wherein said vehicle is an automobile.