Internal-combustion engines – Combined devices
Reexamination Certificate
2005-02-08
2005-02-08
Denion, Thomas (Department: 3748)
Internal-combustion engines
Combined devices
C123S19800E, C290S00100C
Reexamination Certificate
active
06851397
ABSTRACT:
A portable power generator unit incorporates an engine and a generator driven by the engine. The generator incorporates a multi piece sound insulation cover that allows for efficient cooling of the various internal components. Various access openings located in the multi piece sound insulation cover allow for easy servicing of the power generator. An access-opening lid acts as a tool to help service the internal combustion engine when draining and adding lubricant.
REFERENCES:
patent: 4836123 (1989-06-01), Grinde et al.
patent: 4856470 (1989-08-01), Ishii et al.
patent: 5018492 (1991-05-01), Wolf et al.
patent: 5531351 (1996-07-01), Logsdon
patent: 60-162435 (1985-08-01), None
patent: 02-087998 (1990-03-01), None
patent: 04-331441 (1992-11-01), None
Akimoto Satoru
Kobayashi Misato
Denion Thomas
Eshete Zelalem
Knobbe Martens Olson & Bear LLP
Yamaha Hatsudoki Kabushiki Kaisha
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