Internal-combustion engines – Accessories – Covers – trays – vibrators – corrosion inhibitors – air filters
Reexamination Certificate
2006-12-08
2008-08-19
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Accessories
Covers, trays, vibrators, corrosion inhibitors, air filters
C123S041700, C030S381000
Reexamination Certificate
active
07412961
ABSTRACT:
To improve an intake device (100) for a handheld tool implemented having an air cleaner, particularly for a chainsaw, a cuffing-off grinder, or the like, which comprises an internal combustion engine (25) and a drive unit (20) for the attachment, the air cleaner cleaning combustion air, which is charged with dirt particles, for the engine (25), in that a centrifugal separator (30) separates the combustion air into at least one first air flow (31), which is freed from dirt particles as much as possible, and a second air flow (32), which is loaded with dirt particles, in particular to cause higher efficiency of the intake device, it is suggested that a blower (10) be situated on the drive unit (20), which sucks in the second air flow (32), by which cooling of the drive unit (20) is caused.
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patent: 6681726 (2004-01-01), Linsbauer et al.
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Ali Hyder
Cronin Stephen K.
Dolmar GmbH
McCormick Paulding & Huber LLP
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