Rotary expansible chamber devices – Intermittently accelerated and receding members rotate in... – Each a working member
Reexamination Certificate
2011-03-22
2011-03-22
Trieu, Theresa (Department: 3748)
Rotary expansible chamber devices
Intermittently accelerated and receding members rotate in...
Each a working member
C418S035000, C123S01800A, C123S241000
Reexamination Certificate
active
07909590
ABSTRACT:
In a cat and mouse type apparatus for transforming volume variations of a plurality of chambers into a rotary motion of an axis, all of the driving mechanism is housed in a cylindric cavity coaxial with the driving axis, between the cylindric cavity, a smaller diameter inner coaxial cylinder and two discs perpendicular to the axis, a toroidal cavity in which are housed rotary pistons, each longitudinally traversed by an axis and having a circular sector in cross-section shape, the rotary pistons rotating to form cavities defined therebetween, also having a substantially circular shape in cross section, where the cavities cyclically change their volumes and an apparatus driving shaft is rotatively driven.
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International Search Report, Dec. 8, 2006.
Costigan James V.
Hedman & Costigan ,P.C.
Trieu Theresa
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