Hydraulic pressure transformer

Details Hydraulic pressure transformer Hydraulic pressure transformer

1998-11-06

2000-07-25

Walberg, Teresa

Expansible chamber devices

Relatively movable working members

Interconnected with common rotatable shaft

92 122, 92 31, 91 65, 91491, 91499, 91505, 417270, 417269, 417271, F01B 300

Patent

active

060924551

ABSTRACT:
A hydraulic pressure transformer for the conversion of an input hydraulic power to an output hydraulic power includes a housing with a generally planar face surface and a plurality of ports opening at the face surface. A barrel which is rotatable about an axis includes a generally spherical end face and a plurality of cylinders opening at the end face. A port block interposed between the barrel and the housing is rotatable about the axis. The port block has a first face surface, a second face surface and a plurality of ports extending between the first face surface and the second face surface. The ports selectively fluidly interconnect the plurality of cylinders in the barrel with the plurality of ports in the housing. The first face surface is generally spherical and abuts the end face of the barrel. The second face surface is generally planar and abuts the face surface of the housing.

REFERENCES:
patent: 3625253 (1991-12-01), Christiansen
patent: 3627451 (1971-12-01), Kouns
patent: 3967541 (1976-07-01), Born et al.
patent: 4048906 (1977-09-01), Firth et al.
patent: 4401415 (1983-08-01), Hammelmann
patent: 4418656 (1983-12-01), Stanton
patent: 4540345 (1985-09-01), Frazer
patent: 4825753 (1989-05-01), Inoue et al.
patent: 4945817 (1990-08-01), Scholl
patent: 5308287 (1994-05-01), Gunsing
patent: 5555726 (1996-09-01), Huebner
patent: 5904043 (1999-05-01), Nagatomo

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