Drive unit, hydraulic working machine, and electric vehicle

Details Drive unit, hydraulic working machine, and electric vehicle Drive unit, hydraulic working machine, and electric vehicle

2011-07-05

2011-07-05

Restifo, Jeffrey J (Department: 3618)

Motor vehicles

Power

Electric

C429S524000, C429S526000, C429S528000, C429S530000, C429S533000, C502S102000, C502S103000, C502S185000, C502S326000, C502S339000

Reexamination Certificate

active

07971671

ABSTRACT:
A drive unit (1) for driving a hydraulic pump has an electric motor (2) for driving the hydraulic pump (100) of a construction working machine and also has a generator (3) for supplying electricity to the electric motor (2). A generation module (14) of the generator (3) has a structure where a large number of electrode assemblies (42) are serially connected between fastening plates (41) in a condition that partition plates (44) are sandwiched between the respective electrode assemblies (42). Liquid fuel for generating hydrogen and air are supplied to the electrode assemblies (42) to generate electric power. Unlike the case where the hydraulic pump (100) is driven by a diesel engine etc., the hydraulic pump drive unit has a low noise level and emits no exhaust gas, so that the device is extremely advantageous to reduce noise and exhaust gas of a construction working machine.

REFERENCES:
patent: 6541150 (2003-04-01), Xie et al.
patent: 7488547 (2009-02-01), Iacovelli
patent: 2004/0136211 (2004-07-01), Itou
patent: 11-061883 (1999-03-01), None
patent: 2001-043865 (2001-02-01), None
patent: 2003-109608 (2003-04-01), None
patent: 2003-168452 (2003-06-01), None
patent: 2004-222376 (2004-08-01), None
patent: 2004-342534 (2004-12-01), None
patent: 2005-019303 (2005-01-01), None
patent: 2006-019261 (2006-01-01), None
International Search Report for PCT/JP2006/312314, completed Sep. 28, 2006.

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