Rotary internal combustion engine
Patent
·
OSTI ID:6906346
This patent describes a rotary internal combustion engine operating on fuel and air, comprising: a housing having a pair of communicating parallel axis rotor chambers; a pair of parallel axis rotors, one in each rotor chamber of the housing, the rotors each having on its outer periphery circumferentially spaced axial teeth with intervening circumferentially spaced axial passages. The rotors are positioned with the teeth and passages of one rotor engaging, respectively, the passages and teeth of the other rotor, and each of the rotors further having an internal chamber surrounding axial generally cylindrical oblique helicoid walls forming a mixer means; mean for introducing a mixture of the fuel and air into the mixer chambers of the rotors whereby rotating of the rotors correspondingly rotates and mixer means to homogenize the mixture to produce a fuel/air mist; means for transferring the mist from the mixer chambers to a predetermined injection point in the rotor chambers of the housing such that the mist is disposed in selected passages of the rotors as the selected passages rotate past the predetermined injection point; means for igniting the mist at a predetermined ignition point in the rotor chambers of the housing. The predetermined ignition point is proximate a combustion chamber formed by interengagement of the teeth of the rotors immediately adjacent the selected passages. Exhaust resulting from ignition of the mist urges expansion of the combustion chamber and causes rotation of the rotors; and means for extracting the exhaust as the selected passages rotate past a predetermined exhaust point in the rotor chambers of the housing. The predetermined exhaust point is located in the rotor chambers such that the selected passages of the rotors rotate past the predetermined exhaust point before rotating past the predetermined injection point.
- Assignee:
- NOV; EDB-87-038834; NOV-87-042401
- Patent Number(s):
- US 4633829
- OSTI ID:
- 6906346
- Country of Publication:
- United States
- Language:
- English
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