Construction machine

• US 20050150142A1
• Filed: 08/17/2004
• Published: 07/14/2005
• Est. Priority Date: 08/19/2003
• Status: Active Grant

• Current Assignee: Komatsu Ltd.
• Original Assignee: Komatsu Ltd.
• Inventors: Matsuda, Mitsunori, Hoshi, Kouji
• Granted Patent: US 7,395,870 B2
• Time in Patent Office: Days
• US Class Current: 37/414
• CPC Class Codes: E02F 9/26 Indicating devices E02F5/145 takes precedence
• CPC Class Codes: Y02P 60/14 Measures for saving energy, e.g. in green houses

Abstract

To provide a construction machine capable of encouraging an operator to perform the driving and the operation for enhancing fuel efficiency. The construction machine includes information providing means 30 to notify the operator of the information such as the operation and/or an operational method or the like to enhance the fuel efficiency. The present construction machine provides the information by monitor display on a monitor screens 26 that is provided in an operator'"'"'s cabin 11. When operating machine levers 19 and 20 are positioned at a neutral position, if an engine 40 has the idle revolution number not less than a predetermined time, the information providing means 30 provides the information such as the operation or the like enhance the fuel efficiency.

Claims

1. A construction machine comprising:

information providing means (30) to notify the operator of the information such as the operation and/or an operational method or the like to enhance fuel efficiency.

2. The construction machine according to claim 1,

wherein said construction machine provides the information by monitor display on a monitor screen (26) that is disposed in an operator'"'"'s cabin (11).

3. The construction machine according to claim 1 or 2,

wherein said construction machine comprises a voice generator and provides the information to the operator by voice attention by means of said voice generator.

4. The construction machine according to claim 1 or 2,

wherein said construction machine transmits this information from the outside of the machine to notify the operator of this information.

5. The construction machine according to claim 1 or 2,

wherein said construction machine provides the information upon starting of an engine.

6. The construction machine according to claim 1 or 2,

wherein said information providing means (30) can switch between an ON state to provide the information and an OFF state not to provide the information.

7. The construction machine according to claim 1 or 2,

wherein said construction machine comprises a lock lever (21) having a function to lock the operation of an implement (4) or the like, and detecting that this lock lever (21) is operated to the lock side, said construction machine provides the information such as the operation or the like to enhance the fuel efficiency upon idling.

8. The construction machine according to claim 1 or 2,

wherein, detecting that operating machine levers (19) and (20) are positioned at a neutral position and that the number of revolutions of an engine (40) is the number of idling revolution, and then, when this number of idling revolution is a predetermined time and over, said construction machine provides the information such as the operation or the like to enhance the fuel efficiency upon idling.