Tractor and trailer combination

• US 8,505,950 B2
• Filed: 06/20/2011
• Issued: 08/13/2013
• Est. Priority Date: 06/20/2011
• Status: Active Grant

• Current Assignee: Thermo King Corporation (Trane Technologies plc)
• Original Assignee: Thermo King Corporation (Trane Technologies plc)
• Inventors: Kolda, Michal, Prochazka, Petr, Ryska, Antonin, Kopecka, Marketa, Hurych, Arnost, Hegar, Michal, Rajtmajer, Vaclav, Pardubicky, Jakub, Kmoch, Vladimir
• Primary Examiner(s): Adams, Tashiana
• Assistant Examiner(s): ARCE, MARLON ALEXANDER
• Application Number:
  US13/163,868
• Publication Number:
  US 20120319379A1
• Time in Patent Office: 785 Days
• Field of Search: 280/420, 280/421, 280/422
• US Class Current: 280/420
• CPC Class Codes: B60D 1/62 involving supply lines, electric circuits, or the like
• CPC Class Codes: B62D 53/08 Fifth wheel traction couplings tractors for handling trailers in terminals B62D49/007

Abstract

A tractor and trailer combination including a tractor having a tractor frame, a supply unit, a trailer coupling, a skid plate, and a first connector coupled to the tractor frame and coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit. The combination also includes a trailer having a trailer frame, a tractor coupling rotatably connecting the trailer to the tractor, and a second connector coupled to the trailer and configured to provide the at least one of high voltage electrical power and coolant to the trailer. The combination further includes a conduit having a first end coupled to the first connector, a second end coupled to the second connector. The conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor.

Claims

1. A tractor and a trailer combination comprising:

a tractor including

a tractor frame,

a supply unit coupled to the tractor frame,

a trailer coupling coupled to the tractor frame,

a skid plate coupled to the tractor frame rearward of the trailer coupling, and

a first connector coupled to the tractor frame, the first connector coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit;

a trailer including

a trailer frame,

a tractor coupling connected to the trailer frame and removably coupled to the trailer coupling to rotatably connect the trailer to the tractor, and

a second connector coupled to the trailer, the second connector configured to provide the at least one of high voltage electrical power and coolant to the trailer; and

a conduit including a first end coupled to the first connector and a second end coupled to the second connector, the conduit configured to deliver the at least one of high voltage electrical power and coolant from the first connector to the second connector,

wherein the conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor.

2. The tractor and the trailer combination of claim 1, further comprising an energy chain surrounding the conduit, the energy chain protecting and guiding the conduit between the first and second ends as the conduit flexes throughout rotation of the trailer relative to the tractor, wherein the energy chain is supported by the skid plate.

5. The tractor and the trailer combination of claim 1, wherein the conduit includes a fixed-length.

3. A tractor and a trailer combination comprising:

a tractor including

a tractor frame,

a supply unit coupled to the tractor frame,

a trailer coupling coupled to the tractor frame,

a skid plate coupled to the tractor frame adjacent the trailer coupling, and

a first connector coupled to the tractor frame, the first connector coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit;

a trailer including

a trailer frame,

a tractor coupling connected to the trailer frame and removably coupled to the trailer coupling to rotatably connect the trailer to the tractor, and

a second connector coupled to the trailer, the second connector configured to provide the at least one of high voltage electrical power and coolant to the trailer;

a conduit including a first end coupled to the first connector and a second end coupled to the second connector, the conduit configured to deliver the at least one of high voltage electrical power and coolant from the first connector to the second connector, wherein the conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor; and

a low voltage electrical cable connected between the tractor and the trailer for supplying low voltage electricity to lights on the trailer, and further comprising air hoses connected between the tractor and the trailer for supplying pressurized air for brakes on the trailer.

4. The tractor and the trailer combination of claim 3, wherein the skid plate is attached to the tractor forward of the trailer coupling.

6. A tractor and a trailer combination comprising:

a tractor including

a tractor frame,

a supply unit coupled to the tractor frame,

a trailer coupling coupled to the tractor frame,

a skid plate coupled to the tractor frame adjacent the trailer coupling, and

a first connector coupled to the tractor frame, the first connector coupled to the supply unit to receive at least one of high voltage electrical power and coolant from the supply unit;

a trailer including

a trailer frame,

a tractor coupling connected to the trailer frame and removably coupled to the trailer coupling to rotatably connect the trailer to the tractor, and

a second connector coupled to the trailer, the second connector configured to provide the at least one of high voltage electrical power and coolant to the trailer; and

a conduit including a first end coupled to the first connector and a second end coupled to the second connector, the conduit configured to deliver the at least one of high voltage electrical power and coolant from the first connector to the second connector, wherein the conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor, and wherein the conduit is a first conduit configured to deliver high voltage electrical power, the combination further comprising a third connector coupled to the tractor frame, the third connector coupled to the supply unit to receive coolant from the supply unit;

a fourth connector coupled to the trailer, the fourth connector configured to provide coolant to the trailer; and

a second conduit including a first end coupled to the third connector and a second end coupled to the fourth connector, the second conduit configured to deliver coolant from the third connector to the fourth connector.

7. The tractor and the trailer combination of claim 6, wherein the first conduit is a high voltage electrical cable and the second conduit is a hose.

8. A tractor and a trailer combination comprising:

a tractor including

a tractor frame,

a supply unit coupled to the tractor frame,

a trailer coupling coupled to the tractor frame, and

a first connector coupled to the tractor frame, the first connector coupled to the supply unit to receive a supply from the supply unit;

a trailer including

a trailer frame,

a tractor coupling connected to the trailer frame and removably coupled to the trailer coupling to rotatably connect the trailer to the tractor, and

a second connector coupled to the trailer, the second connector configured to provide the supply to the trailer;

a conduit including a first end coupled to the first connector and a second end coupled to the second connector, the conduit configured to deliver the supply from the first connector to the second connector; and

an energy chain surrounding the conduit, the energy chain protecting and guiding the conduit between the first and second ends as the conduit flexes throughout rotation of the trailer relative to the tractor.

9. The tractor and the trailer combination of claim 8, wherein the first connector is attached to the tractor forward of the trailer coupling.

10. The tractor and the trailer combination of claim 8, wherein the first connector is attached to the tractor rearward of the trailer coupling.

11. The tractor and the trailer combination of claim 8, further comprising a low voltage electrical cable connected between the tractor and the trailer for supplying low voltage electricity to lights on the trailer, and further comprising air hoses connected between the tractor and the trailer for supplying pressurized air for brakes on the trailer.

12. The tractor and the trailer combination of claim 8, wherein the conduit includes a fixed-length.

13. The tractor and the trailer combination of claim 8, wherein the energy chain protects the conduit from abrasion.

14. The tractor and the trailer combination of claim 8, wherein the conduit is a first conduit configured to deliver high voltage electrical power, the combination further comprising a third connector coupled to the tractor frame, the third connector coupled to the supply unit to receive coolant from the supply unit;

a fourth connector coupled to the trailer frame, the fourth connector configured to provide coolant to the trailer; and

a second conduit including a first end coupled to the third connector and a second end coupled to the fourth connector, the second conduit configured to deliver coolant from the third connector to the fourth connector.

15. The connection for a tractor and a trailer of claim 14, wherein the first conduit is a high voltage electrical cable and the second conduit is a hose.

16. A tractor and a trailer combination comprising:

a tractor including

a tractor frame,

a high voltage alternator coupled to the tractor frame,

a trailer coupling coupled to the tractor frame, and

a first connector coupled to the tractor frame, the first connector coupled to the high voltage alternator to receive high voltage electrical power from the high voltage alternator;

a trailer including

a trailer frame,

an electric trailer refrigeration unit coupled to the tractor frame,

a tractor coupling connected to the trailer frame and removably coupled to the trailer coupling to rotatably connect the trailer to the tractor, and

a second connector coupled to the trailer, the second connector configured to provide the high voltage electrical power to the electric trailer refrigeration unit; and

a conduit including a first end coupled to the first connector and a second end coupled to the second connector, the conduit configured to deliver the high voltage electrical power from the first connector to the second connector,

wherein the conduit flexes throughout rotation of the trailer relative to the tractor, and further wherein the electric trailer refrigeration unit includes a static converter coupled to the second connector to receive high voltage electrical power from the second connector and deliver to the electrical trailer refrigeration unit controlled output power suitable to drive a refrigeration system of the electric trailer refrigeration unit.

17. The tractor and the trailer combination of claim 16, further comprising a third connector coupled to the tractor frame, the third connector coupled to a cooling system of the tractor to receive coolant from the cooling system;

a fourth connector coupled to the trailer frame, the fourth connector configured to provide coolant to the static converter; and

a second conduit including a first end coupled to the third connector and a second end coupled to the fourth connector, the second conduit configured to deliver coolant from the third connector to the fourth connector.

18. The tractor and the trailer combination of claim 16, further comprising an energy chain surrounding the conduit, the energy chain protecting and guiding the conduit between the first and second ends as the conduit flexes throughout rotation of the trailer relative to the tractor.

19. The tractor and the trailer combination of claim 16, wherein a skid plate is coupled to the tractor adjacent the trailer coupling, and wherein the conduit flexes and is supported between the first and second ends by the skid plate throughout rotation of the trailer relative to the tractor.