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A combustion chamber system with an obstacle for use in internal combustion fastener driving tool, and a combustion fastener driving tool having a combustion chamber inside the system
A combustion chamber system with an obstacle for use in internal combustion fastener driving tool, and a combustion fastener driving tool having a combustion chamber inside the system
PROBLEM TO BE SOLVED: To provide a new and improved combustion chamber system for use within combustion fastener-driving tools, and the new and improved combustion fastener-driving tools having the new and improved combustion chamber system incorporated therein.;SOLUTION: The combustion chamber system comprises, for example, a dual combustion chamber system comprising a first upstream pre-combustion chamber and a second downstream final combustion chamber. The first upstream pre-combustion chamber is characterized by a high aspect ratio defined by means of the ratio of the length dimension of the pre-combustion chamber relative to the width dimension of the pre-combustion chamber, and has various predetermined obstacle means or obstacles fixedly incorporated therein for selectively retarding or enhancing a rate of burn and the rate of speed of the flame front propagating through the first upstream pre-combustion chamber.;COPYRIGHT: (C)2004,JPO
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