Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate
2011-02-01
2011-02-01
Cuff, Michael (Department: 3741)
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
C123S041490, C165S119000, C165S095000, C055S392000, C180S068100, C180S068200
Reexamination Certificate
active
07878171
ABSTRACT:
A work vehicle operating in a highly contaminated environment has a radiator with a rotary screen debris removal device upstream of the radiator. The debris thus removed passes through a fan for disposal away from the work machine. The engine is an air breathing fuel consuming engine and has a pre-cleaner for removing larger particles of air delivered to the engine for combustion. A conduit extends from the intake air pre-cleaner to a venturi device adjacent to and upstream of the fan for continuously and effectively removing particles from the engine air pre-cleaner.
REFERENCES:
patent: 1745950 (1930-02-01), Orem
patent: 2708920 (1955-05-01), Pasturczak
patent: 6004382 (1999-12-01), Pikesh et al.
patent: 6780215 (2004-08-01), Keen et al.
patent: 313763 (1989-05-01), None
patent: 2433220 (2005-12-01), None
Sheidler Alan D.
Vandike Nathan R.
Cuff Michael
Deere & Company
Nguyen Hung Q
Taylor IP, P.C.
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