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(11)    Patent No :    AP 2068   
(21)    Application No :    AP/P/2008/004311   
(22)    Filing Date :    23.06.2006   
(24)    Date of Grant &    04.12.2009   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
FR    0506437    24.06.2005
(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 
(73) Applicant(s)

MDI MOTOR DEVELOPMENT INTERNATIONAL S.A, 23 rue Beaumont, L -1219,
Luxembourg


(72) Inventors

NEGRE Guy, France

NEGRE Cyril, France

(74) Representative

COGHLAN, WELSH & GUEST

ZIMBABWE
 

(51)  International  Classification   F02G1/02 (2006.01)    F02G 1/00 (2006.01)


(54)    Title

Low -temperature motor compressor unit with continuous "cold" combustion at constant pressure and with active chamber

(57)    Abstract

Low -temperature, continuous "cold" combustion, constant pressure, active chamber motor-compressor unit operating in particular with working compressed air and using a piston travel control device as well as an active chamber, with a cold chamber (29) able to reduce to very low temperatures the atmospheric air that supplies the input (28) of an air compression device (28,25,26,33), which then forces this working compressed air, still at low temperature, in an external combustion chamber (19) fitted with a heating device (19a) at constant pressure where it increases in volume, before its quasi-isothermal transfer in the active chamber (13) producing work, before being expanded in an engine cylinder (2) to produce work again. Application for land vehicles, cars, buses, motorcycles, boats, aircraft, emergency generating unit s, cogeneration assembly, stationary engines.
(56)    Documents Cited :    DE 19962591A    DE 3219797 A

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