Expansible chamber devices – Relatively movable working members – Rigid stem on first working member portion extends through...
Patent
1997-02-28
1998-10-13
Nguyen, Hoang
Expansible chamber devices
Relatively movable working members
Rigid stem on first working member portion extends through...
92 66, F01B 710
Patent
active
058196358
ABSTRACT:
A hydraulic motor has a longitudinally extended piston cylinder divided longitudinally into two separate and distinct fluid passages by a central divider. Longitudinally midway about the extended piston cylinder is attached a large center piston which provides the primary driving force for operation of the hydraulic motor. Pressurized fluid passes through one fluid passageway formed by the extended cylinder and central divider, and then through ports formed in the piston cylinder into a chamber. The pressurized fluid drives the large center piston, and therefore the piston cylinder, towards the source of fluid pressure being admitted into the piston cylinder. Pressurized fluid is thereby ported from a pressure chamber through the cylinder beyond the longitudinal midway point, and then passed through the cylinder wall to the power piston surface. In a similar manner, vacuum fluid is admitted into the remaining fluid passageway within the piston cylinder from an end opposite of the pressure fluid, and passed beyond the longitudinal midway point where it passes through the cylinder wall to the power piston on a surface opposite of the pressurized fluid. A power plant using the motor and an energy converter are also disclosed.
REFERENCES:
patent: 1027957 (1912-05-01), Withers et al.
patent: 3086470 (1963-04-01), Skipor et al.
patent: 5009068 (1991-04-01), Clarke
patent: 5341725 (1994-08-01), Dick
patent: 5483796 (1996-01-01), Ando
Nguyen Hoang
Watkins Albert W.
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