Power plants – Motor operated by expansion and/or contraction of a unit of... – Unit of mass is a gas which is heated or cooled in one of a...
Patent
1974-12-02
1977-03-01
Ostrager, Allen M.
Power plants
Motor operated by expansion and/or contraction of a unit of...
Unit of mass is a gas which is heated or cooled in one of a...
60526, 418 7, 418 8, 418 13, F02G 104
Patent
active
040095738
ABSTRACT:
A rotary positive displacement, hot gas regenerative engine having at least two cylindrical rotors, each of which is disposed within an elliptical stator. The longitudinal axis of one rotor is in registration with the longitudinal axis of the other rotor. The longitudinal axis of one stator is offset from and is in spaced parallel relationship with the longitudinal axis of the other stator. The longitudinal axes of the rotors are in spaced parallel relationship with the longitudinal axes of the stators. The rotors, which are mounted on a common shaft, are provided with a plurality of radially extending slidable vanes that form a plurality of expansion chambers and a plurality of compression chambers in each rotor-stator pair. The longitudinal axis of the rotor in each rotor-stator pair is offset from the longitudinal axis of the stator of that rotor-stator pair so that the volume of the expansion chambers is greater than the volume of the compression chambers. The stators are interconnected by ducts in such a manner that a compressed fluid in the compression chamber of one rotor-stator pair is directed to the expansion chamber of the other rotor-stator pair and the compressed fluid in the compression chamber of the latter rotor-stator pair is directed to the expansion chamber of the former rotor-stator pair. Compressed fluid flowing from the compression chambers is directed successively through a rotary regenerator and heater before entering the expansion chambers, and expanded fluid exiting from the expansion chambers is directed through the rotary regenerator. The rotary regenerator operates alternately as an energy storer and as an energy releaser for each of the rotor-stator pairs.
REFERENCES:
patent: 1457696 (1923-06-01), Ford
patent: 2480525 (1949-08-01), Van Weenen
patent: 2907169 (1959-10-01), Newton
patent: 3169375 (1965-02-01), Velthuis
patent: 3426525 (1969-02-01), Rubin
patent: 3744245 (1973-07-01), Kelly
patent: 3807176 (1974-04-01), Hakannsson
patent: 3867815 (1975-02-01), Barrett
patent: 3904327 (1975-09-01), Edwards et al.
Ostrager Allen M.
Transpower Corporation
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