Electric Drive of Mobile Apparatus

• US 20180106017A1
• Filed: 12/04/2017
• Published: 04/19/2018
• Est. Priority Date: 10/11/2013
• Status: Active Grant

• Current Assignee: Hudson I.P. B.V.
• Original Assignee: Hudson Bay Holding B.V.
• Inventors: Huissoon, Leendert Wilhelmus Cornelis
• Granted Patent: US 10,669,694 B2
• Time in Patent Office: Days
• CPC Class Codes: B60K 2025/026 by a hydraulic transmission
• CPC Class Codes: B60K 25/02 directly from an engine shaft
• CPC Class Codes: B60K 25/06 from the transmission power take-off transmissions having power-take-off B60K17/28
• CPC Class Codes: B60K 6/46 Series type
• CPC Class Codes: B60W 2300/17 Construction vehicles, e.g. graders, excavators
• CPC Class Codes: E02F 3/308 working outwardly
• CPC Class Codes: E02F 3/32 working downwardly and towards the machine, e.g. with backhoes
• CPC Class Codes: E02F 3/961 with several digging elements or tools mounted on one machine for backhoes E02F3/964 takes precedence
• CPC Class Codes: E02F 9/006 Pivot joint assemblies in general F16C11/04
• CPC Class Codes: E02F 9/0858 Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units E02F9/16, E02F9/18 take precedence
• CPC Class Codes: E02F 9/123 Drives or control devices specially adapted therefor E02F9/125 and E02F9/128 take precedence
• CPC Class Codes: E02F 9/18 Counterweights for cranes B66C23/72, for tractors B62D49/085
• CPC Class Codes: E02F 9/2058 Electric or electro-mechanical or mechanical control devices of vehicle sub-units for vehicles in general B60W
• CPC Class Codes: E02F 9/2075 of the hybrid type for vehicles in general B60W20/00
• CPC Class Codes: E02F 9/2079 Control of mechanical transmission for hydrostatic transmission or hydraulic torque converter E02F9/2253
• CPC Class Codes: E02F 9/2091 Control of energy storage means for electrical energy, e.g. battery or capacitors energy recovery arrangements in hydraulic or pneumatic drives E02F9/2217
• CPC Class Codes: E02F 9/2095 Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans control of hydraulic driven equipment E02F9/22
• CPC Class Codes: E02F 9/22 Hydraulic or pneumatic drives for dipper or bucket arm position control E02F3/43, for blade position control for graders E02F3/844; for turntables E02F9/121; for fork-lift trucks B66F9/22
• CPC Class Codes: Y02T 10/62 Hybrid vehicles
• CPC Class Codes: Y10S 903/951 Assembly or relative location of components

Abstract

A mobile apparatus includes a main frame, an operating arm connected to the main frame, drive means configured to drive displacing means of the mobile apparatus, such as one or more wheels or tracks, drive means configured to drive the operating arm and a control system, connected to operating instruments for a driver, for controlling the drive means. The drive means for the displacing means includes an electric motor such that the drive of the displacing means is substantially electrical.

Claims

1. A mobile apparatus comprising a main frame with a displacing means, a sub-frame arranged rotatably relative to the main frame, wherein the rotatable sub-frame comprises an operating arm connected to the sub-frame, a first drive configured to drive the displacing means, a second drive configured to drive the operating arm, and a control system, wherein the first drive comprises at least one electric motor such that first drive is electrical;

wherein the second drive comprises at least one of an electric motor and an electric actuator;

said mobile apparatus further comprising at least one energy storage unit for storing and supplying electrical energy to the at least one of the first drive and the second drive;

wherein the at least one energy storage unit is coupled to a side, an underside, an upper side, a front, a rear;

or is positioned in a receiving space of the main frame.

2. The mobile apparatus as claimed in claim 1, wherein the first drive comprises at least two electric motors, preferably at least two substantially identical electric motors with optionally at least one of:

substantially identical controllers, substantially identical inverters, and substantially identical mounting means.

3. The mobile apparatus as claimed in claim 1, wherein the displacing means comprise a front displacing means and a rear displacing means;

and wherein the first drive comprises at least a first and a second electric motor, wherein the first electric motor drives the front displacing means and the second electric motor drives the rear displacing means.

4. The mobile apparatus as claimed in claim 1, wherein at least one of the first drive and the second drive comprises a transmission such as a gearbox, a planetary system or a differential.

5. The mobile apparatus as claimed in claim 1, wherein the first drive and the second drive comprise substantially identical electric motors with optionally at least one of substantially identical controllers, substantially identical inverters, and substantially identical mounting means.

6. The mobile apparatus as claimed in claim 1, wherein a drive for the rotation of the sub-frame relative to the main frame, and/or for the steering and/or for braking comprises at least one of an electric motor and an electric actuator, optionally with a hydraulic or pneumatic pump.

7. The mobile apparatus as claimed in claim 1, wherein the first drive comprises an energy recovery system configured to recover energy while braking.

8. The mobile apparatus as claimed in claim 1, further comprising a lifting device or stabilizer on the main frame, and an electric motor or electric actuator for the lifting device or stabilizer, optionally with a hydraulic or pneumatic pump.

9. The mobile apparatus as claimed in claim 1, wherein the at least one energy storage unit is a battery or a capacitor, optionally with damping of the battery or the capacitor and/or optionally with cooling or heating of the battery or capacitor.

10. The mobile apparatus as claimed in claim 1, further comprising a combustion engine, a generator or a fuel cell configured for supplying energy to the at least one energy storage unit or to at least one of the first and the second drive;

wherein said combustion engine or generator or fuel cell is arranged in the main fame or in the sub-frame, optionally with a compressor.

11. The mobile apparatus as claimed in claim 1, wherein the control system comprises a remote control system configured to transfer driver commands via a data transmitter for the purpose of controlling the mobile apparatus, and particularly controlling one or more electric motors at least one of the first and the second drive, wherein the displacing means preferably comprise one or more tires or one or more caterpillar tracks.

12. The mobile apparatus as claimed in claim 1, further comprising at least one further energy storage unit for storing and supplying electrical energy to at least one of the first drive and the second drive, said at least one further energy storing unit being positioned in or to a side of the sub-frame;

wherein preferably the operating arm is an excavator arm, a loader arm, a crane arm, a telescopic crane arm, a mowing arm or a combination thereof.

13. A mobile apparatus comprising a main frame with displacing means, a sub-frame arranged rotatably relative to the main frame, an operating arm connected to the sub-frame, a first drive configured to drive the displacing means, a second drive configured to drive the operating arm, and a control system wherein at least one of the first drive and the second drive comprises at least one of an electric motor and an electric actuator;

said mobile apparatus further comprising at least one energy storage unit for storing and supplying electrical energy to the at least of the electric motor and the electric actuator, wherein the at least one energy storage unit is configured to also supply electrical energy to at least one of an implement connected to the operating arm and an implement connected to the main frame, optionally via a lifting device, for electrical driving of the implement.

14. The mobile apparatus as claimed in claim 13, wherein the at least one energy storage unit is a battery or a capacitor, optionally with damping of the battery or the capacitor and/or optionally with cooling or heating of the battery or capacitor, wherein the at least one energy storage unit is positioned in or coupled to the main frame or positioned in or coupled to the sub-frame, optionally coupled to the rear of the sub-frame.

15. The mobile apparatus as claimed in claim 13, wherein at least one of the first and the second drive comprises a transmission such as a gearbox, a planetary system or a differential, optionally with a hydraulic or pneumatic pump or compressor;

wherein preferably the first drive comprises an energy recovery system configured to recover energy while braking.

16. The mobile apparatus as claimed in claim 13, further comprising a combustion engine, a generator or a fuel cell configured for supplying energy to the at least one energy storage unit or to at least one of the first drive and the second drive;

wherein said combustion engine or generator or fuel cell is arranged in the main fame or in the sub-frame.

17. The mobile apparatus as claimed in claim 13, further comprising operating instruments coupled to the control system, said control system being configured for controlling the electrical driving of the implement;

wherein preferably the control system is configured for controlling the first and second drive.

18. The mobile apparatus as claimed in claim 13, wherein a drive for the rotation of the sub-frame relative to the main frame, and/or for the steering and/or for braking comprises an electric motor or an electric actuator, optionally with a hydraulic or pneumatic pump.

19. A mobile apparatus in combination with an energy source carried or pulled along by the mobile apparatus, said mobile apparatus comprising a main frame with displacing means, a sub-frame arranged rotatably relative to the main frame, an operating arm connected to the sub-frame, a first drive configured to drive the displacing means, a second drive configured to drive the operating arm, and a control system wherein at least one of the first drive and the second drive comprises at least one of an electric motor and an electric actuator;

said mobile apparatus further comprising at least one energy storage unit for storing and supplying electrical energy to the at least of the electric motor and the electric actuator, wherein the at least one electrical energy storage unit is configured to be charged by the energy source carried or pulled along by the mobile apparatus, such as a trailer.

20. The combination as claimed in claim 19, wherein a connector between the energy source and the mobile apparatus is positioned at a side of the main frame or sub-frame, optionally at the rear side of the main frame or sub-frame;

wherein preferably the displacing means comprises one or more tires or one or more caterpillar tracks;

wherein preferably the operating arm is an excavator arm, a loader arm, a crane arm, a telescopic crane arm, a mowing arm or a combination thereof.