Rotary expansible chamber devices – Working member has planetary or planetating movement – Plural working members or chambers
Reexamination Certificate
2007-06-26
2007-06-26
Trieu, Thai-Ba (Department: 3748)
Rotary expansible chamber devices
Working member has planetary or planetating movement
Plural working members or chambers
C418S091000, C418S094000, C418S104000, C418S142000, C123S204000
Reexamination Certificate
active
11062263
ABSTRACT:
A rotary combustion engine with one or more working units, which include a peripheral housing, a front housing plate, a rear housing plate on the output side, an eccentric shaft, and a piston, where the eccentric shaft includes an eccentric, and front and rear sealing parts. Lubricating oil is conveyed by an oil pump from an oil tank through the eccentric shaft to first and second main bearings, and to an eccentric bearing, from which a bevel on the front sealing part conveys it to a piston space, from which it is conveyed by way of a bevel on the piston and a rear bevel back to the oil tank to close the oil circuit. The bevels direct the oil circulation from the front of the working unit to the rear, reduce splash losses, and increase the cooling action on the internal surfaces of the piston.
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Baier Wolfgang
Eiermann Dankwart
Klotz Rudolf
Mäthner Manfred
Schirmer Michael
Cohen Pontani Lieberman & Pavane LLP
Trieu Thai-Ba
Wankel Super Tec GmbH
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