| 摘要 |
<p>A rotor (5) provided in a cylindrical rotor holding bore (58) in a housing is supported rotatably in the holding via a shaft member (4) extending coaxially with the rotor holding bore (58), and the rotor (5) has one projecting portion (5c), a gently inclined curved pressurization surface (5d) and a steeply inclined curved pressure reception surface (5e). The rotor housing (7) is provided therein with first and second swinging vane mechanisms (100, 160) positioned substantially on both sides of the shaft member (4), and a suction chamber (60), a compression chamber (61), a combustion chamber (63) and an exhaust chamber (64) the capacities of which vary in accordance with the rotation of the rotor (5) are formed via these projecting portion (5c) of the rotor (5) and first and second swinging vane mechanisms (100, 160). An auxiliary combustion chamber (62) is opened and closed by and with a first swinging vane (101), and a suction port (34) by and with a second swinging vane (161), whereby a compressed gaseous mixture in the compression chamber (61) is introduced into the auxialiary combustion chamber (62) via a rotary valve in a shaft type portion (103) of the first swinging vane (101) and ignited therein, the auxiliary combustion chamber (62) being then opened to inject a combustion gas into the combustion chamber (63). <IMAGE></p> |
