External combustion engine

Details External combustion engine External combustion engine

2007-10-05

2009-08-18

Denion, Thomas E (Department: 3748)

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a liquid

C060S508000, C060S670000, C060S039600

Reexamination Certificate

active

07574861

ABSTRACT:
An external combustion engine formed with a plurality of heaters for improving output, provided with a container in which a working medium is sealed flowable in a liquid state, the container being formed with heaters for heating part of a working medium to generate vapor of the working medium and coolers for cooling the vapor to liquefy, the generation and liquefaction of the vapor causing the working medium to change in volume and the displacement of the liquid part of the working medium caused by the change in volume of the working medium being converted to mechanical energy for output, wherein at least the parts of the container connected with the heaters being branched into pluralities of tubular parts, a plurality of heaters are formed so as to be connected with the plurality of tubular parts, a plurality of vapor reservoirs for storing the vapor of the working medium are formed so as to be connected with the plurality of heaters, and the plurality of vapor reservoirs are connected with each other.

REFERENCES:
patent: 4195481 (1980-04-01), Gregory
patent: 4584840 (1986-04-01), Baumann
patent: 2005/0257524 (2005-11-01), Yatsuzuka et al.
patent: 2005-330885 (2005-12-01), None
patent: 2006-74351 (2006-03-01), None
U.S. Appl. No. 11/717,794, filed Mar. 13, 2007, Oda et al.

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