JPH02147834U

JPH02147834U -

Info

Publication number: JPH02147834U
Application number: JP5670189U
Authority: JP
Priority date: 1989-05-17
Filing date: 1989-05-17
Publication date: 1990-12-14

Description

[Brief explanation of drawings]

第１〜１６図はこの考案の実施例を示し、第１
図は二重ピストン内燃機関の吸気行程の概略断面
図、第２図は二重ピストン内燃機関の圧縮行程の
概略断面図、第３図は二重ピストン内燃機関の爆
発行程の概略断面図、第４図は二重ピストン内燃
機関の排気行程の概略断面図、第５図は二重ピス
トンの拡大平面図、第６図は二重ピストンの拡大
正面図、第７図は二重ピストンの拡大右側面図、
第８図は外部用第１ピストンの拡大平面図、第９
図は外部用第１ピストンの拡大正面図、第１０図
は外部用第１ピストンの拡大右側面図、第１１図
は内部用第２ピストンの拡大平面図、第１２図は
内部用第２ピストンの拡大正面図、第１３図は内
部用第２ピストンの拡大右側面図、第１４図はク
ランク軸の拡大平面図、第１５図はクランク軸の
拡大正面図、第１６図はクランク軸の拡大右側面
図である。第１７〜２０図はこの考案の従来技術
を示し、第１７図は内燃機関の吸気行程の概略断
面図、第１８図は内燃機関の圧縮行程の概略断面
図、第１９図は内燃機関の爆発行程の概略断面図
、第２０図は内燃機関の排気行程の概略断面図で
ある。図において、２は二重ピストン内燃機関、４は
シリンダ、６は第１ピストン、８は第２ピストン
、１０は吸気弁、１２は排気弁、１４は燃焼室、
１６はクランク室、１８はクランク軸、２０は第
１ピン孔部、２２はライナ、２４は第２ピン孔部
、２６は第１連接棒、２８は第１クランクピン、
３０は第２連接棒、３２は第２クランクピン、３
４は第１ピストンピン、３６は第２ピストンピン
である。 1 to 16 show examples of this invention, and the first
The figure is a schematic sectional view of the intake stroke of a double-piston internal combustion engine, Figure 2 is a schematic sectional view of the compression stroke of a double-piston internal combustion engine, and Figure 3 is a schematic sectional view of the explosion stroke of a double-piston internal combustion engine. Figure 4 is a schematic cross-sectional view of the exhaust stroke of a double piston internal combustion engine, Figure 5 is an enlarged plan view of the double piston, Figure 6 is an enlarged front view of the double piston, and Figure 7 is an enlarged right side view of the double piston. side view,
Figure 8 is an enlarged plan view of the first external piston;
The figure shows an enlarged front view of the first external piston, Fig. 10 shows an enlarged right side view of the first external piston, Fig. 11 shows an enlarged plan view of the second internal piston, and Fig. 12 shows the second internal piston. Fig. 13 is an enlarged right side view of the internal second piston, Fig. 14 is an enlarged plan view of the crankshaft, Fig. 15 is an enlarged front view of the crankshaft, and Fig. 16 is an enlarged view of the crankshaft. It is a right side view. 17 to 20 show the prior art of this invention, FIG. 17 is a schematic sectional view of the intake stroke of an internal combustion engine, FIG. 18 is a schematic sectional view of the compression stroke of an internal combustion engine, and FIG. 19 is an explosion of an internal combustion engine. Schematic sectional view of the stroke, FIG. 20 is a schematic sectional view of the exhaust stroke of the internal combustion engine. In the figure, 2 is a double piston internal combustion engine, 4 is a cylinder, 6 is a first piston, 8 is a second piston, 10 is an intake valve, 12 is an exhaust valve, 14 is a combustion chamber,
16 is a crank chamber, 18 is a crankshaft, 20 is a first pin hole, 22 is a liner, 24 is a second pin hole, 26 is a first connecting rod, 28 is a first crank pin,
30 is the second connecting rod, 32 is the second crank pin, 3
4 is a first piston pin, and 36 is a second piston pin.

Claims

[Scope of utility model registration request]

In a dual-piston internal combustion engine having a first external piston that is reciprocally movable in one cylinder and a second internal piston that is reciprocally movable within the first piston, a first connecting rod of the first piston is provided. the first one on the inside with respect to the center of rotation of the crankshaft.
The second
A second connecting rod of the piston is connected to a second crank pin on the outside, and the second crank pin is provided at a position retreating from the first crank pin by a predetermined angle with respect to the rotational direction of the crankshaft. A dual-piston internal combustion engine.