Hydraulic-pneumatic motor

Details Hydraulic-pneumatic motor Hydraulic-pneumatic motor

1996-12-19

1998-10-13

Nguyen, Hoang

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

91 4R, 91166, 92152, F16D 3102

Patent

active

058195335

ABSTRACT:
A hydraulic motor has three interconnected power pistons. The pistons include passageways therebetween that allow a working fluid to be conserved upon reciprocating piston motion. Valves control the pressure state of working fluid within working chambers, which in turn will cause the three piston assembly to oscillate within the working chambers. The hydraulic motor is combined with a pressure source and an energy converter to form a hydraulic-pneumatic power plant. The energy converter converts pressurized working fluid from a single port into pressurized fluid passed through a first port and reduced pressure fluid passed through a second port. The pressure source is preferably pneumatic, which provides the necessary store of energy, or push, to initiate motion within the hydraulic motor.

REFERENCES:
patent: 1027957 (1912-05-01), Harris et al.
patent: 3086470 (1963-04-01), Skipor et al.
patent: 3485141 (1969-12-01), Ott et al.
patent: 3502001 (1970-03-01), Moore
patent: 3554088 (1971-01-01), Bruyn
patent: 4068476 (1978-01-01), Kelsey
patent: 4261252 (1981-04-01), Senn

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