Hybrid system with a controllable function of variable speed transmission

• US 7,083,536 B2
• Filed: 04/22/2004
• Issued: 08/01/2006
• Est. Priority Date: 11/28/2003
• Status: Active Grant

• Current Assignee: Industrial Technology Research Institute
• Original Assignee: Industrial Technology Research Institute
• Inventors: Liang, Ming, Wu, Chien-Tsung, Lu, Chun-Hsien, Gu, Huan-Lung, Wei, Tseng-Te, Hsu, Chi-Tang, Huang, Shian-Hsua, Shu, Ping-Huei
• Primary Examiner(s): Bonck, Rodney H.
• Assistant Examiner(s): Le, David D.
• Application Number:
  US10/829,365
• Publication Number:
  US 20050119083A1
• Time in Patent Office: 831 Days
• Field of Search: 475/5, 477/3, 477/5, 477/37, 477/43, 123/179.28
• US Class Current: 475/5
• CPC Class Codes: B60K 2016/003 solar power driven
• CPC Class Codes: B60K 6/48 Parallel type
• CPC Class Codes: B60K 6/543 the transmission being a continuously variable transmission
• CPC Class Codes: B60L 8/00 Electric propulsion with power supply from forces of nature, e.g. sun or wind
• CPC Class Codes: B60W 10/02 including control of driveline clutches
• 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 10/10 including control of change-speed gearings
• CPC Class Codes: B60W 10/107 with endless flexible members
• 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 20/10 Controlling the power contribution of each of the prime movers to meet required power demand
• CPC Class Codes: B60W 2510/24 Energy storage means
• CPC Class Codes: B60W 2710/02 Clutches
• CPC Class Codes: Y02T 10/40 Engine management systems
• CPC Class Codes: Y02T 10/62 Hybrid vehicles
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/90 Energy harvesting concepts as power supply for auxiliaries' energy consumption, e.g. photovoltaic sun-roof

Abstract

The present invention generally relates to a hybrid system with a controllable function of variable speed transmission, especially to the reorganized hybrid system adopting a high efficiency and power saving transmission for vehicles traveling on different landforms and being convenient in maintenance, further that to avoid damaging components which being not in maintenance. Hence, the present invention adopts a plurality of power sources to cooperate each other for power transmission by way of a complex combination of the power sources and comprises: at least one first electric power driving device, at least one fuel driving device, at least one automatic clutching device, at least one continuously variable transmission device and at least one system-controlling device.

Claims

1. A hybrid system with a controllable function of variable speed transmission adopting a plurality of power sources for power transmission by way of a complex combination of the power sources, comprising:

at least one first electric power driving device being a primary power source of the system;

at least one fuel driving device being a secondary power source of the system and started by combustible fuel;

an integrated power assistant device coupled to the fuel driving device selectively operable to start and restart the fuel driving device as needed while the first electric power driving device is providing primary driving power, to generate power responsive to the fuel driving device working, and to assistively and directly augment the driving power of the fuel driving device with additional driving power;

at least one automatic clutching device controlling clutching actions of the fuel driving device and the first electric power driving device and located between the fuel driving device and the first electric power driving device;

at least one continuously variable transmission device for generating driving actions, the continuously variable transmission further having another power source for actuation thereof, the continuously variable transmission device including a reconfigurable pulley assembly operable responsive to an electromagnetic clutch unit coupled thereto;

at least one system-controlling device controlling actions among the first electric power driving device, the fuel driving device, the integrated power assistant device, and the automatic clutching device; and

wherein the fuel driving device is disposed between the automatic clutching device and the integrated power assistant device for series connection directly therewith; and

, the first electric power driving device is connected to the fuel driving device, the automatic clutching device, and the continuously variable transmission device in series.

2. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the integrated power assistant device further comprises a starting generator, a multi-stage power switch unit, and a battery control unit.

3. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the continuously variable transmission device further comprises:

a front pulley assembly and a rear pulley assembly, and each of the front and rear pulley assemblies including opposed movable and fixed pulleys, the movable pulleys of the front and rear pulley assemblies being reversed in orientation one relative to the other, the front and rear pulley assemblies being connected by a V-belt, each of the movable pulleys being selectively driven to move relative to the fixed pulley corresponding thereto; and

,

a middle retardation shaft driven responsive to the rear pulley.

4. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the plurality of power sources comprises at least one of the following:

electric power, fuel, and solar power energy.

5. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the first electric power driving device is a motor and further comprises a motor control unit.

6. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the fuel driving device and the automatic clutching device are selectively engaged for power driving by means of the automatic clutching device.

7. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the fuel driving device is an engine and further comprises an engine control unit.

8. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the combustible fuel is one of the following:

gasoline and diesel.

9. The hybrid system with a controllable function of variable speed transmission as recited in claim 1, wherein the automatic clutching device further comprises an auto-control clutch to assemble the fuel driving device and the first electric power driving device in series connection for power driving but with a function of a parallel connection.