Inverter device and inverter module

Details Inverter device and inverter module Inverter device and inverter module

2005-05-12

2008-10-21

Patel, Rajnikant B (Department: 2838)

Electricity: motive power systems

Induction motor systems

Primary circuit control

C318S442000

Reexamination Certificate

active

07439704

ABSTRACT:
An object is to provide an inverter device capable of detecting the welding of a switching device in early stages, and in summary, the inverter device is equipped with a parallel circuit of a charging circuit and a switch connected between a battery and an inverter module, and comprises a capacitor charged from the battery via the charging circuit; a resistor to discharge the capacitor; a serial circuit including resistors to detect a voltage after the switch; and a diode connected between a connection point of the serial circuit including the resistors on a positive line and a connection point of the capacitor, and directed forward to the capacitor side.

REFERENCES:
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patent: 5883484 (1999-03-01), Akao
patent: 6049185 (2000-04-01), Ikeda
patent: 2003/0173922 (2003-09-01), Pelonis
patent: 03-022867 (1991-01-01), None
patent: 2000-278802 (2000-10-01), None
patent: 2001-327001 (2001-11-01), None
patent: 2002-233165 (2002-08-01), None
patent: 3341327 (2002-08-01), None
patent: 2003-102101 (2003-04-01), None
Japanese Office Action issued in corresponding Japanese Patent Application No. 2004-146117 dated Dec. 25, 2006.

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