Power inverter

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Description

FIG. 1 is a front elevational view of a power inverter showing our new design;

FIG. 2 is a left side elevational view of that shown in FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D281493 November 26, 1985 Prager et al.
D286396 October 28, 1986 Luciano
D292394 October 20, 1987 Boucher
D296432 June 28, 1988 Harris et al.
D304170 October 24, 1989 Kondo et al.
D309446 July 24, 1990 Russell
D309600 July 31, 1990 Backes
4152750 May 1, 1979 Bremenour et al.
4477862 October 16, 1984 Gonzales
4920453 April 24, 1990 Onose et al.
4991056 February 5, 1991 Shimizu et al.
Other references
  • Modules on p. 12 of Mitsubishi publication IB(NA)66155-A(8804). Located in examiner's office. Lamba LJA-D Series converters in brochure from Lamba Electronics, 155 Broad Hollow Rd. Melville, L.I., N.Y. 11747. Vexta controller on p. 136 of Control Engineering, Jun. 1989. Located in PTO Scientific Library. Robbins and Myers control moddules on p. 25 of Design News, Sep. 4, 1989. Located in PTO Group 290 Library.
Patent History
Patent number: D328058
Type: Grant
Filed: Mar 9, 1990
Date of Patent: Jul 21, 1992
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Masakatsu Suzuki (Kanagawa), Eiichi Sugishima (Aichi), Hideo Iinuma (Aichi)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Joel Sincavage
Law Firm: Rothwell, Figg, Ernst & Kurz
Application Number: 7/492,176