Internal combustion driven pumping system and variable torque tr

Details Internal combustion driven pumping system and variable torque tr Internal combustion driven pumping system and variable torque tr

1983-07-15

1985-09-17

Husar, Stephen F.

Power plants

Internal combustion type free piston device supplies motive...

60413, 60414, 417380, F02B 7104

Patent

active

045412430

ABSTRACT:
An internal combustion driven fluid pumping apparatus for accumulating fluid pressure to be applied against a load includes a two-stroke combustion cylinder having a piston drivingly connected to a piston of a linearly disposed compression cylinder, which is in turn connected by a fluid conduit to a pressure accumulator. The accumulator is operatively connected to the compression cylinder such that the frequency of cycles of the combustion cylinder varies with the changes in the demand of the load upon the fluid pressure stored in the accumulator, and such that the speed of the pistons in each individual stroke is substantially constant. To begin each cycle, fluid is forced into the compression cylinder at a pressure less than the pressure of fluid in the accumulator, but sufficient to compress and ignite combustible gases in the combustion cylinder. A fluid-driven power plant is disclosed including a motor and a combustion energy input device combined in a closed, pressurized system. A transmission system is also provided wherein a variable volume hydraulic pump including a pump shaft drivingly connected to the load is driven by the shaft of a hydraulic motor, which is in turn driven by a high pressure fluid source. The displacement of the pump can be varied to vary the torque transmitted to the load, while maintaining the torque of the motor at a substantially constant rate.

REFERENCES:
patent: 3200590 (1965-08-01), Summerlin
patent: 3260213 (1966-07-01), Eickmann
patent: 3903696 (1975-09-01), Carman
patent: 3908379 (1975-09-01), Fitzgerald
patent: 4093405 (1978-06-01), Brian
patent: 4097198 (1978-06-01), Herron
patent: 4098083 (1978-07-01), Carman
patent: 4347701 (1982-09-01), Eddens et al.

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