초록 ▼

An internal combustion-engined tool including a piston and a combustion chamber (1) for generating power for driving the piston and having a bottom (3) adapted to receive the piston plate (9), an end wall (17) located opposite the bottom (3), a movable wall (14) located between the bottom (3) and th

An internal combustion-engined tool including a piston and a combustion chamber (1) for generating power for driving the piston and having a bottom (3) adapted to receive the piston plate (9), an end wall (17) located opposite the bottom (3), a movable wall (14) located between the bottom (3) and the end wall (17) and provided with an opening element (14a), a movable separation wall (18) located between the bottom (3) and the movable wall (14) and provided with a plurality of openings (38), and an arrangement (42, 43) for injecting fuel gas into a space formed between the end wall and the movable wall upon the movable wall (14) and the separation wall (18) being displaceable in a direction of the bottom (3) upon collapsing of the combustion chamber (1).

대표청구항 ▼

1. An internal combustion-engined tool, comprising a piston having a piston plate (9); and a combustion chamber (1) for generating power for driving the piston and having a fixed bottom (3) adapted to receive the piston plate (9), an end wall (17) located opposite the fixed bottom (3), a movable wal

1. An internal combustion-engined tool, comprising a piston having a piston plate (9); and a combustion chamber (1) for generating power for driving the piston and having a fixed bottom (3) adapted to receive the piston plate (9), an end wall (17) located opposite the fixed bottom (3), a movable wall (14) located between the fixed bottom (3) and the end wall (17) and provided with a check valve (14a), a movable separation wall (18) located between the fixed bottom (3) and the movable wall (14) and provided with a plurality of openings (38), the movable wall (14) and the separation wall (18) being displaceable in a direction of the fixed bottom (3) upon collapsing of the combustion chamber (1) with formation of an expandable space (V) between the movable wall (14) and the end wall (17) during displacement of the movable wall (14) in the direction toward the fixed bottom (3), and means for feeding fuel gas into the expandable space (V).