Power tool having a combustion chamber and method of cooling...

Internal-combustion engines – Cooling – With vapor generation and/or condensing

Reexamination Certificate

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C123S0460SC, C123S041210

Reexamination Certificate

active

06968811

ABSTRACT:
A power tool includes a combustion chamber (1; 54), a drive piston (8) adjoining the combustion chamber (1; 54) and displaceable upon combustion of fuel in the combustion chamber, an ignition device (52) for igniting the fuel in the combustion chamber (1; 54), and a cooling device (2a, 6a; 64; 70) connected with the combustion chamber (1; 54) for cooling the combustion chamber (1; 54) with a liquid cooling medium.

REFERENCES:
patent: 2134662 (1938-10-01), Flamm
patent: 3863612 (1975-02-01), Wiener
patent: 4062266 (1977-12-01), Elmore et al.
patent: 4545335 (1985-10-01), Hayashi
patent: 4782795 (1988-11-01), Kubozuka et al.
patent: 5713313 (1998-02-01), Berry
patent: 6053132 (2000-04-01), Evans
patent: 9115865 (1992-06-01), None
patent: 5632026 (1981-04-01), None

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