Combustion-engined setting tool with volumetric metering of...

Details Combustion-engined setting tool with volumetric metering of... Combustion-engined setting tool with volumetric metering of...

2006-01-24

2006-01-24

Yuen, Henry C. (Department: 3747)

Internal-combustion engines

Free piston

Single chamber; one piston

Reexamination Certificate

active

06988469

ABSTRACT:
A combustion-engined setting tool for driving in fastening elements includes a combustion chamber (22), a drive piston (8) displaceable in a piston guide (5), which adjoins the combustion chamber, in a setting direction upon combustion of a fuel gas in the combustion chamber (22), a metering chamber (49) for metering a predetermined amount of the fuel gas to the combustion chamber (22), a pressure control valve (53) connected with the metering chamber (49) for adjusting an amount of the fuel gas metered by metering chamber (49), and an ignition device (15) for igniting the fuel gas in the combustion chamber (22).

REFERENCES:
patent: 5000128 (1991-03-01), Veldman
patent: 5213247 (1993-05-01), Gschwend et al.
patent: 6016946 (2000-01-01), Phillips et al.
patent: 6223963 (2001-05-01), Aparacio, Jr.
patent: 6655570 (2003-12-01), Shkolnikov et al.

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