Motor vehicles – Power – With fuel supply for internal combustion engine
Patent
1990-04-11
1992-09-15
Culbreth, Eric D.
Motor vehicles
Power
With fuel supply for internal combustion engine
60 39465, 60 39511, 60736, 62 7, 62 502, 623231, 180 653, B60K 1510
Patent
active
051470055
ABSTRACT:
A drive for buses and similar motor vehicles comprises a gas motor (14) which is provided to drive a generator (25) which in turn drives electric motors (27) which preferably are directly coupled to the drive wheels of the vehicle. The gas motor is driven by natural gas which is carried by the vehicle contained in containers (1) which maintain the natural gas at a temperature of about -163.degree. C. The natural gas is brought into gaseous condition by being transported through a first heat exchanger (7) where the liquid natural gas is exposed to the exhaust gases of the gas motor to attain a partial evaporation of the LNG. The partly evaporated liquid thereupon passes through a second heat exchanger where it is exposed to the cooling liquid of the gas motor and as a consequence thereof the LNG changes to a gaseous state and is finally supplied to the gas motor. In the first heat exchanger the natural gas passes through a block having a separation surface (8) and the exhaust gases pass over said separation surface thereby causing carbon dioxide to deposit on said separation surface as crystals which are removed via a lower space (20). The LNG is also utilized to produce a so called supra conduction which is utilized in connection with the electrical drive.
REFERENCES:
patent: 3552134 (1971-01-01), Arenson
patent: 3681609 (1972-08-01), Boese et al.
patent: 3986347 (1976-10-01), Schirmer
patent: 4329842 (1982-05-01), Hoskinson
patent: 4535866 (1985-08-01), Shiga
Man. Research Engineering Manufacturing (Germany) Apr.-1972.
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