Internal-combustion engines – Charge forming device – Fuel injection system
Reexamination Certificate
2006-12-26
2006-12-26
Cronin, Stephen K. (Department: 3747)
Internal-combustion engines
Charge forming device
Fuel injection system
C227S010000
Reexamination Certificate
active
07152584
ABSTRACT:
The present invention relates to a combustion-engined setting tool for driving fastening elements such as nails, bolts, pins and the like in a constructional component and including a fuel source (11), a fuel conduit (12), from the fuel source (11) to the combustion chamber (13), at least one metering device (30) arranged in the fuel conduit (12) between the fuel source (11) and the combustion chamber (13). The setting tool further includes a control device (20) for operating the metering device. The metering device (30) is formed for metering out fuel in form of a n-number of discrete separate portions, with a volume of separate portions being preset and remaining constant.
REFERENCES:
patent: 6019072 (2000-02-01), Phillips et al.
patent: 6722548 (2004-04-01), Odoni et al.
patent: 6877308 (2005-04-01), Voelker et al.
Grazioli Mario
Gschwend Hans
Odoni Walter
Rosenbaum Ulrich
Schiestl Ulrich
Abelman ,Frayne & Schwab
Cronin Stephen K.
Harris Katrina B.
Hilti Aktiengesellscahft
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